From 70e1ded3cea2c5a948eaf0dc6f44098ec6cd7a6a Mon Sep 17 00:00:00 2001
From: 小小儁爺 <1694218219@qq.com>
Date: 星期四, 15 一月 2026 09:24:43 +0800
Subject: [PATCH] 1.甘特图优化

---
 src/views/gantt/index_back.vue                     | 1637 +++++++++++++++++++++++++++++++++++++++
 src/views/gantt/index.vue                          |  751 +----------------
 src/components/dhtmlxGantt/codebase/dhtmlxgantt.js |    4 
 src/utils/global.js                                |   10 
 4 files changed, 1,708 insertions(+), 694 deletions(-)

diff --git a/src/components/dhtmlxGantt/codebase/dhtmlxgantt.js b/src/components/dhtmlxGantt/codebase/dhtmlxgantt.js
index 31e6697..8884e75 100644
--- a/src/components/dhtmlxGantt/codebase/dhtmlxgantt.js
+++ b/src/components/dhtmlxGantt/codebase/dhtmlxgantt.js
@@ -24861,8 +24861,8 @@
                     },
                     tooltip_date_format: i.date_to_str("%Y-%m-%d"),
                     tooltip_text: function(e, n, i) {
-                      return "<b>浠诲姟:</b> " + i.text + "<br/><b>寮�濮嬫椂闂�:</b> " + t.templates.tooltip_date_format(e) + "<br/><b>缁撴潫鏃堕棿:</b> " + t.templates.tooltip_date_format(n)
-                      // return "<b>Task:</b> " + i.text + "<br/><b>Start date:</b> " + t.templates.tooltip_date_format(e) + "<br/><b>End date:</b> " + t.templates.tooltip_date_format(n)
+                      // return "<b>浠诲姟:</b> " + i.text + "<br/><b>寮�濮嬫椂闂�:</b> " + t.templates.tooltip_date_format(e) + "<br/><b>缁撴潫鏃堕棿:</b> " + t.templates.tooltip_date_format(n)
+                      return "<b>Task:</b> " + i.text + "<br/><b>Start date:</b> " + t.templates.tooltip_date_format(e) + "<br/><b>End date:</b> " + t.templates.tooltip_date_format(n)
                     }
                   })
               },
diff --git a/src/utils/global.js b/src/utils/global.js
index b121552..19b4ea7 100644
--- a/src/utils/global.js
+++ b/src/utils/global.js
@@ -41,6 +41,16 @@
   return data.getFullYear() + '-' + month + '-' + date
 }
 
+// 鏃堕棿澶勭悊鍑芥暟  骞存湀鏃�   寰�鍓嶆帹涓�澶�
+export function handleDateReduceOneDay(value) {
+  const newDate = new Date(value)
+  newDate.setDate(newDate.getDate() - 1)
+  const data = new Date(newDate)
+  const month = data.getMonth() < 9 ? '0' + (data.getMonth() + 1) : data.getMonth() + 1
+  const date = data.getDate() <= 9 ? '0' + data.getDate() : data.getDate()
+  return data.getFullYear() + '-' + month + '-' + date
+}
+
 // 浜嬩欢澶勭悊鍑芥暟  鏃跺垎绉�
 // 鑾峰彇褰撳墠鏃堕棿
 export function handleDatetime2(value) {
diff --git a/src/views/gantt/index.vue b/src/views/gantt/index.vue
index 702da5f..491fef9 100644
--- a/src/views/gantt/index.vue
+++ b/src/views/gantt/index.vue
@@ -1,30 +1,5 @@
 <template>
   <div style="padding: 0 10px">
-    <!--    <input value="淇濆瓨鍒版湰鍦板瓨鍌�" class="local_storage" type="button" @click="saveToLocalStorage()">-->
-    <!--    <input value="浠庢湰鍦板瓨鍌ㄥ姞杞�" class="local_storage" type="button" @click="loadFromLocalStorage()">-->
-
-    <!--    <input value="鎿嶄綔鍥為��" type="button" onclick="gantt.undo()">-->
-    <!--    <input value="鎿嶄綔鍓嶈繘" type="button" onclick="gantt.redo()">-->
-
-    <!--    <input type="button" value="鏀惧ぇ" onclick="gantt.ext.zoom.zoomIn();">-->
-    <!--    <input type="button" value="缂╁皬" onclick="gantt.ext.zoom.zoomOut();">-->
-
-    <!--    <input class="start_date" type="date" value="2025-04-01" @change="changeDates()">-->
-    <!--    <input class="end_date" type="date" value="2025-05-10" @change="changeDates()">-->
-
-    <!--    <input type="button" value="Group by priority" @click="group('priority')">-->
-    <!--    <input type="button" value="Group by resources" @click="group('owner')">-->
-    <!--    <input type="button" value="Reset grouping" @click="group()">-->
-
-    <!--    <label>褰撳墠甯冨眬:-->
-    <!--      <select class="layout_config" name="layout" @input="changeLayout(this.value)">-->
-    <!--        <option value="default">Default</option>-->
-    <!--        <option value="horizontalScrollbars">Horinzontal Scrollbars</option>-->
-    <!--        <option value="resource">With Resource Panel</option>-->
-    <!--        <option value="universal">Universal</option>-->
-    <!--        <option value="complexScrollbars">Complex with scrollbars</option>-->
-    <!--      </select>-->
-    <!--    </label>-->
 
     <div style="padding: 10px 0;display: flex;">
       <el-button type="primary" size="mini" @click="ganttUndo">鍥為��鎷栧姩鎿嶄綔</el-button>
@@ -35,6 +10,7 @@
         v-model="ganttDateRange"
         style="margin-left: 10px;"
         size="mini"
+        value-format="yyyy-MM-dd"
         type="daterange"
         :clearable="false"
         range-separator="鑷�"
@@ -45,9 +21,9 @@
       <el-button type="primary" style="margin-left: 10px;" size="mini" @click="handleGetSelected">
         鑾峰彇澶嶉�夋閫変腑浠诲姟
       </el-button>
-      <!--      <el-button size="mini" @click="handleClearSelection">-->
-      <!--        娓呯┖澶嶉�夋閫夋嫨-->
-      <!--      </el-button>-->
+      <el-button size="mini" @click="handleClearSelection">
+        娓呯┖澶嶉�夋閫夋嫨
+      </el-button>
     </div>
 
     <div id="gantt_here" style="width:100%; height:90vh;" />
@@ -55,11 +31,9 @@
 </template>
 
 <script>
-// import { gantt } from 'dhtmlx-gantt'
-// import 'dhtmlx-gantt/codebase/dhtmlxgantt.css'
-
 import { gantt } from '@/components/dhtmlxGantt'
 import '@/components/dhtmlxGantt/codebase/dhtmlxgantt.css'
+import { handleDateReduceOneDay } from '@/utils/global'
 
 export default {
   data() {
@@ -70,6 +44,7 @@
     }
   },
   mounted() {
+    this.ganttDateRangeChange(this.ganttDateRange)
     this.init()
   },
   methods: {
@@ -91,14 +66,6 @@
       gantt.config.multiselect = true // 寮�鍚浠诲姟閫夋嫨
       /* 鈫撯啌鈫� Auto-scheduling configuration 鈫撯啌鈫� */
       gantt.config.auto_scheduling = true
-
-      // gantt.config.project_start = new Date(2025, 03, 05);
-      gantt.config.project_start = '2025/03/05'
-
-      gantt.addMarker({
-        text: '椤圭洰寮�濮�',
-        start_date: gantt.config.project_start
-      })
 
       function renderDiv(task, date, className) {
         const el = document.createElement('div')
@@ -181,13 +148,13 @@
             min_column_width: 80,
             scales: [
               // { unit: 'day', step: 1, format: '%d %M' }
-              { unit: 'day', step: 1, format: '%M鏈�%d鍙�' }
+              { unit: 'day', step: 1, format: '%M%d鍙�' }
             ]
           },
           {
             name: 'week',
             scale_height: 50,
-            min_column_width: 50,
+            min_column_width: 70,
             scales: [
               // {
               //   unit: 'week', step: 1, format: function(date) {
@@ -197,9 +164,11 @@
               //     return '绗�' + weekNum + '鍛�, ' + dateToStr(date) + ' - ' + dateToStr(endDate)
               //   }
               // },
-              { unit: 'week', format: '%Y骞�%M绗�%W鍛�' },
+              // %M
+              { unit: 'week', format: '%Y骞寸%W鍛�' },
+              { unit: 'day', step: 1, format: '%M%d鍙�' }
               // { unit: 'day', step: 1, format: '%j %D' }
-              { unit: 'day', step: 1, format: '鏄熸湡%D' }
+              // { unit: 'day', step: 1, format: '鏄熸湡%D' }
             ]
           },
           {
@@ -305,9 +274,21 @@
         { name: 'wbs', label: '鑺傜偣', width: 80, template: gantt.getWBSCode },
         { name: 'text', tree: true, label: '浠诲姟鍚嶇О', width: 200, resize: true, editor: textEditor },
         { name: 'start_date', align: 'center', label: '寮�濮嬫棩鏈�', width: 80, resize: true, editor: startDateEditor },
-        { name: 'duration', width: 60, align: 'center', label: '鏃堕暱', resize: true, editor: durationEditor },
         {
-          name: 'owner', align: 'center', width: 75, label: '浣滆��', template: function(task) {
+          name: 'duration',
+          width: 60,
+          align: 'center',
+          label: '宸ユ湡(澶�)',
+          resize: true,
+          editor: durationEditor,
+          template: function(task) {
+            // 濡傛灉duration鏄痭ull鎴杣ndefined锛岃繑鍥�0
+            // return (task.duration || 0) + 1 // 鍦ㄥ綋鍓峝uration鐨勫熀纭�涓婂姞1
+            return task.duration
+          }
+        },
+        {
+          name: 'owner', align: 'center', width: 75, label: '璐熻矗浜�', template: function(task) {
             if (task.type == gantt.config.types.project) {
               return ''
             }
@@ -521,16 +502,22 @@
 
       /* 鈫戔啈鈫� Layout configuration 鈫戔啈鈫� */
 
+      // 鑷畾涔夋诞鍔ㄦ鐨勬樉绀哄唴瀹�   tooltip娴姩妗嗘樉绀虹殑End Date琚拷鍔�1鐨勯棶棰樹慨澶嶏紙搴旇鏄剧ず鏁版嵁搴撶殑鍘熷鍊硷級
+      gantt.templates.tooltip_text = function(start, end, task) {
+        return '<b>浠诲姟:</b> ' + task.text + '<br/><b>寮�濮嬫椂闂�:</b> ' + `${gantt.date.date_to_str('%Y-%m-%d')(start)}` + '<br/><b>缁撴潫鏃堕棿:</b> ' + handleDateReduceOneDay(end)
+      }
+
       gantt.init('gantt_here')
       gantt.parse({
         'data': [
           {
 
             'id': 1,
-            'text': '浠诲姟1',
+            'text': '椤圭洰1',
             'type': 'project',
-            'start_date': '02-04-2025 00:00',
-            'duration': 17,
+            'start_date': '2025-04-02 00:00',
+            'end_date': '2025-04-07 00:00',
+            'duration': 5,
             'progress': 0.4,
             'owner': [{ 'resource_id': '5', 'value': 3 }],
             'parent': 0,
@@ -538,7 +525,7 @@
           },
           {
             'id': 2,
-            'text': '浠诲姟2',
+            'text': '椤圭洰2',
             'type': 'project',
             'start_date': '02-04-2025 00:00',
             'duration': 8,
@@ -549,7 +536,7 @@
           },
           {
             'id': 3,
-            'text': '浠诲姟3',
+            'text': '椤圭洰3',
             'type': 'project',
             'start_date': '11-04-2025 00:00',
             'duration': 8,
@@ -560,7 +547,7 @@
           },
           {
             'id': 4,
-            'text': '浠诲姟4',
+            'text': '椤圭洰4',
             'type': 'project',
             'start_date': '13-04-2025 00:00',
             'duration': 5,
@@ -669,7 +656,7 @@
           },
           {
             'id': 13,
-            'text': '浠诲姟13',
+            'text': '椤圭洰13',
             'type': 'project',
             'start_date': '03-04-2025 00:00',
             'duration': 11,
@@ -692,7 +679,7 @@
           },
           {
             'id': 15,
-            'text': '浠诲姟15',
+            'text': '椤圭洰15',
             'type': 'project',
             'start_date': '03-04-2025 00:00',
             'duration': 5,
@@ -729,13 +716,12 @@
           {
             'id': 25,
             'text': '浠诲姟18',
-            // 'type': 'milestone',
             'type': 'task',
             'start_date': '06-04-2025 00:00',
             'parent': '13',
             'progress': 0,
             'owner': [{ 'resource_id': '5', 'value': 1 }],
-            'duration': 0,
+            'duration': 2,
             checked: false
           },
           {
@@ -819,21 +805,11 @@
             'parent': '11',
             'progress': 0,
             'owner': [{ 'resource_id': '5', 'value': 3 }],
-            'duration': 0,
+            'duration': 2,
             checked: false
           }
         ]
-        // "links": [
-        //   { "id": "2", "source": "2", "target": "3", "type": "0" },
-        //   { "id": "3", "source": "3", "target": "4", "type": "0" },
-        //   { "id": "7", "source": "8", "target": "9", "type": "0" },
-        //   { "id": "8", "source": "9", "target": "10", "type": "0" },
-        //   { "id": "16", "source": "17", "target": "25", "type": "0" },
-        //   { "id": "17", "source": "18", "target": "19", "type": "0" },
-        //   { "id": "18", "source": "19", "target": "20", "type": "0" },
-        //   { "id": "22", "source": "13", "target": "24", "type": "0" },
-        //   { "id": "23", "source": "25", "target": "18", "type": "0" }
-        // ]
+
       })
 
       // 缁戝畾鐢樼壒鍥剧偣鍑讳簨浠讹紙瀹樻柟鎺ㄨ崘鐨勪簨浠跺鎵樼敤娉曪級<span data-allow-html class='source-item source-aggregated' data-group-key='source-group-2' data-url='https://juejin.cn/post/7352376280387764278' data-id='turn0fetch0'><span data-allow-html class='source-item-num' data-group-key='source-group-2' data-id='turn0fetch0' data-url='https://juejin.cn/post/7352376280387764278'><span class='source-item-num-name' data-allow-html>https://juejin.cn/post/7352376280387764278</span></span></span>
@@ -861,285 +837,6 @@
       this.syncSelected()
     },
 
-    // 淇濆瓨鍒版湰鍦板瓨鍌�
-    loadFromLocalStorage() {
-      this.loadGeneralConfig()
-      this.loadStacks()
-      this.loadGridColumnsConfig()
-      this.loadLayoutConfig()
-      this.loadVariousConfig()
-    },
-    // 浠庢湰鍦板瓨鍌ㄥ姞杞�
-    saveToLocalStorage() {
-      this.saveGeneralConfig()
-      this.saveVariousConfig()
-      this.saveGridColumnsConfig()
-      this.saveLayoutConfig()
-      this.saveStacks()
-    },
-
-    saveGeneralConfig() {
-      const generalConfig = {}
-      // add properties that you want to save in the local storage
-      const properties = [
-        'grid_width',
-        'start_date',
-        'end_date'
-
-        // examples of the properties you may want to add
-        // "skip_off_time",
-        // "show_tasks_outside_timescale",
-        // "rtl",
-        // "resize_rows",
-        // "keyboard_navigation",
-        // "keyboard_navigation_cells",
-      ]
-      properties.forEach(function(prop) {
-        switch (typeof gantt.config[prop]) {
-          case 'number':
-          case 'string':
-          case 'boolean':
-            generalConfig[prop] = gantt.config[prop]
-            break
-          case 'object':
-            if (gantt.config[prop] && typeof gantt.config[prop].getMonth === 'function') {
-              generalConfig[prop] = gantt.date.date_to_str(gantt.config.date_format)(gantt.config[prop])
-            }
-            break
-          // objects and methods should be set from the application
-        }
-      })
-
-      const storageName = `DHTMLX Gantt: General Configuration`
-      const serializedConfig = JSON.stringify(generalConfig) + ''
-      localStorage.setItem(storageName, serializedConfig)
-    },
-
-    loadGeneralConfig() {
-      const storageName = `DHTMLX Gantt: General Configuration`
-      const loadedConfig = localStorage.getItem(storageName)
-      const generalConfig = JSON.parse(loadedConfig)
-
-      const dateProperties = [
-        'start_date',
-        'end_date',
-        'project_start',
-        'project_end'
-      ]
-      dateProperties.forEach(function(prop) {
-        if (generalConfig[prop]) {
-          generalConfig[prop] = gantt.date.str_to_date(gantt.config.date_format)(generalConfig[prop])
-        }
-      })
-      gantt.mixin(gantt.config, generalConfig, true)
-    },
-
-    saveVariousConfig() {
-      const variousConfig = {
-        scrollState: gantt.getScrollState(),
-        groupMode: gantt.getState().group_mode,
-        zoomLevel: gantt.ext.zoom.getCurrentLevel()
-      }
-
-      const storageName = `DHTMLX Gantt: Various Configuration`
-      const serializedConfig = JSON.stringify(variousConfig) + ''
-      localStorage.setItem(storageName, serializedConfig)
-    },
-
-    loadVariousConfig() {
-      const storageName = `DHTMLX Gantt: Various Configuration`
-      const loadedConfig = localStorage.getItem(storageName)
-      const variousConfig = JSON.parse(loadedConfig)
-
-      gantt.scrollTo(variousConfig.scrollState.x, variousConfig.scrollState.y)
-
-      if (variousConfig.groupMode) {
-        // this is a custom function. in your case, it may be a different name
-        this.group(variousConfig.groupMode)
-      }
-
-      gantt.ext.zoom.setLevel(variousConfig.zoomLevel)
-    },
-
-    saveGridColumnsConfig() {
-      const storageName = `DHTMLX Gantt: Grid Columns Configuration`
-      const serializedConfig = JSON.stringify(gantt.config.columns) + ''
-      // objects and functions cannot be saved
-      localStorage.setItem(storageName, serializedConfig)
-    },
-
-    loadGridColumnsConfig() {
-      const storageName = `DHTMLX Gantt: Grid Columns Configuration`
-      const loadedConfig = localStorage.getItem(storageName)
-      const gridColumnsConfig = JSON.parse(loadedConfig)
-
-      // as objects and functions cannot be saved, we add them from the existing columns
-      // also, this approach helps saving the column order
-      gridColumnsConfig.forEach(function(column) {
-        const existingColumn = gantt.getGridColumn(column.name)
-        gantt.mixin(column, existingColumn, false)
-      })
-
-      gantt.config.columns = gridColumnsConfig
-    },
-
-    saveLayoutConfig() {
-      const layoutConfig = {
-        currentLayout,
-        gridWidth: gantt.getLayoutView('grid').$state.width
-      }
-
-      switch (layoutConfig.currentLayout) {
-        case 'resource':
-          layoutConfig.ganttPanelHeight = gantt.getLayoutView('ganttPanelCell').$lastSize.y
-        case 'default':
-          layoutConfig.gridWidth = gantt.config.grid_width
-          break
-
-        case 'universal':
-        case 'complexScrollbars':
-          layoutConfig.ganttPanelHeight = gantt.getLayoutView('mainGrid').$lastSize.y
-          break
-      }
-
-      const storageName = `DHTMLX Gantt: Layout Configuration`
-      const serializedConfig = JSON.stringify(layoutConfig) + ''
-      localStorage.setItem(storageName, serializedConfig)
-    },
-
-    loadLayoutConfig() {
-      const storageName = `DHTMLX Gantt: Layout Configuration`
-      const loadedConfig = localStorage.getItem(storageName)
-      const layoutConfig = JSON.parse(loadedConfig)
-
-      this.changeLayout(layoutConfig.currentLayout)
-      document.querySelector('.layout_config').value = layoutConfig.currentLayout
-
-      switch (layoutConfig.currentLayout) {
-        case 'horizontalScrollbars':
-          gantt.config.layout.cols[0].width = layoutConfig.gridWidth
-
-          break
-        case 'resource':
-          gantt.config.layout.rows[0].height = layoutConfig.ganttPanelHeight
-
-          break
-        case 'universal':
-        case 'complexScrollbars':
-          gantt.config.layout.cols[0].width = layoutConfig.gridWidth
-          gantt.config.layout.cols[0].rows[0].height = layoutConfig.ganttPanelHeight
-          gantt.config.layout.cols[2].rows[0].height = layoutConfig.ganttPanelHeight
-          break
-      }
-
-      gantt.init('gantt_here')
-
-      // with the rows[cols[]] layout configuration, we need to rely
-      // on the grid_width config, and it is correctly applied only
-      // after we use the `render` method
-      if (layoutConfig.currentLayout == 'default' || layoutConfig.currentLayout == 'resource') {
-        gantt.config.grid_width = layoutConfig.gridWidth
-        gantt.render()
-      }
-    },
-
-    saveStacks() {
-      this.saveStack('Undo')
-      this.saveStack('Redo')
-    },
-
-    loadStacks() {
-      this.loadStack('Undo')
-      this.loadStack('Redo')
-    },
-
-    saveStack(stackType) {
-      const stack = gantt.copy(gantt[`get${stackType}Stack`]())
-      stack.forEach(function(action) {
-        action.commands.forEach(function(command) {
-          command.oldValue = gantt.json.serializeTask(command.oldValue)
-          command.value = gantt.json.serializeTask(command.value)
-          const assignments = gantt.config.resource_property
-          // if (command.oldValue[assignments]) {
-          //   for (assignment in command.oldValue[assignments]) {
-          //     command.oldValue[assignments][assignment] = gantt.json.serializeTask(command.oldValue[assignments][assignment])
-          //   }
-          // }
-          // if (command.value[assignments]) {
-          //   for (assignment in command.value[assignments]) {
-          //     command.value[assignments][assignment] = gantt.json.serializeTask(command.value[assignments][assignment])
-          //   }
-          // }
-        })
-      })
-
-      const serializedStack = JSON.stringify(stack) + ''
-      const storageName = `DHTMLX Gantt: ${stackType} Stack`
-      localStorage.setItem(storageName, serializedStack)
-    },
-
-    loadStack(stackType) {
-      const storageName = `DHTMLX Gantt: ${stackType} Stack`
-      const serializedStack = localStorage.getItem(storageName)
-      const loadedStack = JSON.parse(serializedStack)
-
-      loadedStack.forEach(function(action) {
-        action.commands.forEach(function(command) {
-          convertDateProperties(command.oldValue)
-          convertDateProperties(command.value)
-
-          const assignments = gantt.config.resource_property
-          // if (command.oldValue[assignments]) {
-          //   for (assignment in command.oldValue[assignments]) {
-          //     convertDateProperties(command.oldValue[assignments][assignment])
-          //   }
-          // }
-          // if (command.value[assignments]) {
-          //   for (assignment in command.value[assignments]) {
-          //     convertDateProperties(command.value[assignments][assignment])
-          //   }
-          // }
-        })
-      })
-
-      gantt[`clear${stackType}Stack`]()
-
-      const stack = gantt[`get${stackType}Stack`]()
-      loadedStack.forEach(function(action) {
-        stack.push(action)
-      })
-
-      function convertDateProperties(obj) {
-        const dateProperties = [
-          'start_date',
-          'end_date',
-          'constraint_date'
-        ]
-
-        dateProperties.forEach(function(prop) {
-          if (obj[prop]) {
-            obj[prop] = gantt.date.parseDate(obj[prop], gantt.config.date_format)
-          }
-        })
-      }
-    },
-
-    // changeDates() {
-    //   const startDateEl = document.querySelector('.start_date')
-    //   const endDateEl = document.querySelector('.end_date')
-    //   const startDate = new Date(startDateEl.value)
-    //   const endDate = new Date(endDateEl.value)
-    //   console.log(startDate)
-    //   console.log(endDate)
-    //   if (!+startDate || !+endDate) {
-    //     return
-    //   }
-    //
-    //   gantt.config.start_date = startDate
-    //   gantt.config.end_date = endDate
-    //   gantt.render()
-    // },
-
     ganttDateRangeChange(val) {
       gantt.config.start_date = val[0]
       gantt.config.end_date = val[1]
@@ -1159,339 +856,9 @@
       gantt.ext.zoom.zoomOut()
     },
 
-    // 鍒嗙粍
-    group(type) {
-      switch (type) {
-        case 'priority':
-          gantt.groupBy({
-            groups: gantt.serverList('task_priority'),
-            relation_property: type,
-            group_id: 'key',
-            group_text: 'label'
-          })
-
-          break
-        case 'owner':
-          const groups = gantt.getDatastore('resource').getItems().map(function(item) {
-            const group = gantt.copy(item)
-            group.group_id = group.id
-            group.id = gantt.uid()
-            return group
-          })
-
-          gantt.groupBy({
-            groups: groups,
-            relation_property: gantt.config.resource_property,
-            group_id: 'group_id',
-            group_text: 'text',
-            delimiter: ', ',
-            default_group_label: 'Not Assigned'
-          })
-
-          break
-
-        default:
-          gantt.groupBy(false)
-          break
-      }
-    },
-    changeLayout(value) {
-      console.log(value)
-      // currentLayout = value
-
-      const resourceConfig = {
-        columns: [
-          {
-            name: 'name', label: 'Name', tree: true, template: function(resource) {
-              return resource.text
-            }
-          },
-          {
-            name: 'workload', label: 'Workload', template: function(resource) {
-              let totalDuration = 0
-              if (resource.$level == 2) {
-                const assignment = gantt.getResourceAssignments(resource.$resource_id, resource.$task_id)[0]
-                totalDuration = resource.duration * assignment.value
-              } else {
-                const assignments = getResourceAssignments(resource.id)
-                assignments.forEach(function(assignment) {
-                  const task = gantt.getTask(assignment.task_id)
-                  totalDuration += Number(assignment.value) * task.duration
-                })
-              }
-
-              return (totalDuration || 0) + 'h'
-            }
-          }
-        ]
-      }
-
-      const defaultLayout = {
-        css: 'gantt_container',
-        rows: [
-          {
-            cols: [
-              {
-                // the default grid view
-                view: 'grid',
-                scrollX: 'scrollHor',
-                scrollY: 'scrollVer'
-              },
-              { resizer: true, width: 1 },
-              {
-                // the default timeline view
-                view: 'timeline',
-                scrollX: 'scrollHor',
-                scrollY: 'scrollVer'
-              },
-              {
-                view: 'scrollbar',
-                id: 'scrollVer'
-              }
-            ]
-          },
-          {
-            view: 'scrollbar',
-            id: 'scrollHor'
-          }
-        ]
-      }
-
-      const gridWidthScrollbarLayout = {
-        css: 'gantt_container',
-        cols: [
-          {
-            rows: [
-              {
-                view: 'grid',
-                scrollable: true,
-                scrollX: 'scrollHor1',
-                scrollY: 'scrollVer'
-              },
-              {
-                view: 'scrollbar',
-                id: 'scrollHor1',
-                scroll: 'x',
-                group: 'hor'
-              }
-            ]
-          },
-          { resizer: true, width: 1 },
-          {
-            rows: [
-              {
-                view: 'timeline',
-                scrollX: 'scrollHor',
-                scrollY: 'scrollVer'
-              },
-              {
-                view: 'scrollbar',
-                id: 'scrollHor',
-                scroll: 'x',
-                group: 'hor'
-              }
-            ]
-          },
-          {
-            view: 'scrollbar',
-            id: 'scrollVer'
-          }
-        ]
-      }
-
-      const resourceLayoutGeneral = {
-        css: 'gantt_container',
-        rows: [
-          {
-            id: 'ganttPanelCell',
-            cols: [
-              { view: 'grid', group: 'grids', scrollY: 'scrollVer' },
-              { resizer: true, width: 1 },
-              { view: 'timeline', scrollX: 'scrollHor', scrollY: 'scrollVer' },
-              { view: 'scrollbar', id: 'scrollVer', group: 'vertical' }
-            ],
-            gravity: 2
-          },
-          { resizer: true, width: 1 },
-          {
-            config: resourceConfig,
-            cols: [
-              { view: 'resourceGrid', group: 'grids', width: 435, scrollY: 'resourceVScroll' },
-              { resizer: true, width: 1 },
-              { view: 'resourceTimeline', scrollX: 'scrollHor', scrollY: 'resourceVScroll' },
-              { view: 'scrollbar', id: 'resourceVScroll', group: 'vertical' }
-            ],
-            gravity: 1
-          },
-          { view: 'scrollbar', id: 'scrollHor' }
-        ]
-      }
-
-      const universalLayout = {
-        css: 'gantt_container',
-        cols: [
-          {
-            width: 400,
-            rows: [
-              {
-                id: 'mainGrid',
-                linkedView: 'mainTimeline',
-                group: 'gantt',
-                cols: [
-                  {
-                    rows: [
-                      { view: 'grid', scrollX: 'gridScrollX', scrollable: true, scrollY: 'scrollVer' }
-                    ]
-                  }
-                ]
-              },
-              { resizer: true, width: 1 },
-              {
-                id: 'resourceGrid',
-                linkedView: 'resourceTimeline',
-                group: 'resourceLoad',
-                config: resourceConfig,
-                cols: [
-                  {
-                    rows: [
-                      { view: 'resourceGrid', scrollY: 'scrollVer2', scrollX: 'gridScrollX', scrollable: true },
-                      { view: 'scrollbar', id: 'gridScrollX' }
-                    ]
-                  }
-                ]
-              }
-            ]
-          },
-          { resizer: true, width: 1 },
-          {
-            rows: [
-              {
-                id: 'mainTimeline',
-                linkedView: 'mainGrid',
-                group: 'gantt',
-                cols: [
-                  {
-                    rows: [
-                      { view: 'timeline', scrollX: 'scrollHor', scrollY: 'scrollVer' }
-                    ]
-                  },
-                  { view: 'scrollbar', id: 'scrollVer' }
-                ]
-              },
-              { resizer: true, width: 1 },
-              {
-                id: 'resourceTimeline',
-                linkedView: 'resourceGrid',
-                group: 'resourceLoad',
-                cols: [
-                  {
-                    rows: [
-                      { view: 'resourceTimeline', scrollX: 'scrollHor', scrollY: 'scrollVer2' },
-                      { view: 'scrollbar', id: 'scrollHor' }
-                    ]
-                  },
-                  { view: 'scrollbar', id: 'scrollVer2' }
-                ]
-              }
-            ]
-          }
-        ]
-      }
-
-      const complexLayoutWithScrollbars = {
-        css: 'gantt_container',
-        cols: [
-          {
-            width: 400,
-            // min_width: 100,
-            rows: [
-              {
-                id: 'mainGrid',
-                group: 'gantt',
-                cols: [
-                  {
-                    rows: [
-                      { view: 'grid', scrollX: 'gridScrollX', scrollable: true, scrollY: 'gridScrollY' },
-                      { view: 'scrollbar', id: 'gridScrollX', group: 'mainGantt' }
-                    ]
-                  },
-                  { view: 'scrollbar', id: 'gridScrollY' }
-                ]
-              },
-              { resizer: true, width: 1 },
-              {
-                group: 'resources',
-                config: resourceConfig,
-                cols: [
-                  {
-                    rows: [
-                      { view: 'resourceGrid', scrollY: 'gridScrollY2', scrollX: 'gridScrollX2', scrollable: true },
-                      { view: 'scrollbar', id: 'gridScrollX2', group: 'resourcePanel' }
-                    ]
-                  },
-                  { view: 'scrollbar', id: 'gridScrollY2' }
-                ]
-              }
-
-            ]
-          },
-          // {view: "scrollbar", id: "grid",scrollX: "grid"},
-          { resizer: true, width: 1 },
-          {
-            rows: [
-              {
-                group: 'gantt',
-                cols: [
-                  {
-                    rows: [
-                      { view: 'timeline', scrollX: 'scrollHor', scrollY: 'scrollVer' },
-                      { view: 'scrollbar', id: 'scrollHor', group: 'mainGantt' }
-                    ]
-                  },
-                  { view: 'scrollbar', id: 'scrollVer' }
-                ]
-              },
-              { resizer: true, width: 1 },
-              {
-                group: 'resources',
-                cols: [
-                  {
-                    rows: [
-                      { view: 'resourceTimeline', scrollX: 'scrollHor2', scrollY: 'scrollVer2' },
-                      { view: 'scrollbar', id: 'scrollHor2', group: 'resourcePanel' }
-                    ]
-                  },
-                  { view: 'scrollbar', id: 'scrollVer2' }
-                ]
-              }
-            ]
-          }
-        ]
-      }
-
-      switch (value) {
-        case 'default':
-          gantt.config.layout = defaultLayout
-          break
-        case 'horizontalScrollbars':
-          gantt.config.layout = gridWidthScrollbarLayout
-          break
-        case 'resource':
-          gantt.config.layout = resourceLayoutGeneral
-          break
-        case 'universal':
-          gantt.config.layout = universalLayout
-          break
-        case 'complexScrollbars':
-          gantt.config.layout = complexLayoutWithScrollbars
-          break
-      }
-      gantt.init('gantt_here')
-    },
     // 浠庣敇鐗瑰浘涓悓姝ラ�変腑鐨� id 鍒� Vue data
     syncSelected() {
       const tasks = gantt.serialize().data || []
-      console.log(tasks)
       this.selectedIds = tasks.filter(t => t.checked).map(t => t.id)
       console.log(this.selectedIds)
     },
@@ -1500,30 +867,30 @@
     handleGetSelected() {
       const tasks = gantt.serialize().data || []
       const selected = tasks.filter(t => t.checked)
-      this.$message.info(`褰撳墠宸查�変腑${selected.length} 鏉′换鍔)
+      this.$notify.success(`褰撳墠宸查�変腑${selected.length} 鏉′换鍔)
     },
 
     // 娓呯┖鎵�鏈夐�夋嫨
     handleClearSelection() {
-      // gantt.unselectAll();
-      // this.selectedIds = [];
-      // 鏇存柊鎵�鏈夊閫夋鐘舵�佷负鏈�変腑
-
+      // 鑾峰彇鎵�鏈変换鍔�
       const tasks = gantt.serialize().data || []
-      tasks.forEach(t => {
-        if (t.checked) {
-          console.log(t, '鎵ц')
-          t.checked = false
-          gantt.updateTask(t.id)
-        }
-      })
-      const checkboxes = gantt.$container.querySelectorAll('.taskCheckBox')
-      checkboxes.forEach(checkbox => {
-        checkbox.checked = false
+
+      // 閬嶅巻鎵�鏈変换鍔★紝灏� checked 灞炴�ц缃负 false
+      tasks.forEach(task => {
+        task.checked = false
       })
 
+      // 鏇存柊鎵�鏈変换鍔℃樉绀�
+      gantt.eachTask((task) => {
+        task.checked = false
+        gantt.updateTask(task.id)
+      })
+
+      // 鍚屾鍒� Vue 缁勪欢鏁版嵁
       this.syncSelected()
-      // gantt.render()
+
+      // 鏄剧ず鎻愮ず淇℃伅
+      this.$notify.success('宸叉竻绌烘墍鏈夐�夋嫨')
     }
 
   }
diff --git a/src/views/gantt/index_back.vue b/src/views/gantt/index_back.vue
new file mode 100644
index 0000000..da91c15
--- /dev/null
+++ b/src/views/gantt/index_back.vue
@@ -0,0 +1,1637 @@
+<template>
+  <div style="padding: 0 10px">
+    <!--    <input value="淇濆瓨鍒版湰鍦板瓨鍌�" class="local_storage" type="button" @click="saveToLocalStorage()">-->
+    <!--    <input value="浠庢湰鍦板瓨鍌ㄥ姞杞�" class="local_storage" type="button" @click="loadFromLocalStorage()">-->
+
+    <!--    <input value="鎿嶄綔鍥為��" type="button" onclick="gantt.undo()">-->
+    <!--    <input value="鎿嶄綔鍓嶈繘" type="button" onclick="gantt.redo()">-->
+
+    <!--    <input type="button" value="鏀惧ぇ" onclick="gantt.ext.zoom.zoomIn();">-->
+    <!--    <input type="button" value="缂╁皬" onclick="gantt.ext.zoom.zoomOut();">-->
+
+    <!--    <input class="start_date" type="date" value="2025-04-01" @change="changeDates()">-->
+    <!--    <input class="end_date" type="date" value="2025-05-10" @change="changeDates()">-->
+
+    <!--    <input type="button" value="Group by priority" @click="group('priority')">-->
+    <!--    <input type="button" value="Group by resources" @click="group('owner')">-->
+    <!--    <input type="button" value="Reset grouping" @click="group()">-->
+
+    <!--    <label>褰撳墠甯冨眬:-->
+    <!--      <select class="layout_config" name="layout" @input="changeLayout(this.value)">-->
+    <!--        <option value="default">Default</option>-->
+    <!--        <option value="horizontalScrollbars">Horinzontal Scrollbars</option>-->
+    <!--        <option value="resource">With Resource Panel</option>-->
+    <!--        <option value="universal">Universal</option>-->
+    <!--        <option value="complexScrollbars">Complex with scrollbars</option>-->
+    <!--      </select>-->
+    <!--    </label>-->
+
+    <div style="padding: 10px 0;display: flex;">
+      <el-button type="primary" size="mini" @click="ganttUndo">鍥為��鎷栧姩鎿嶄綔</el-button>
+      <el-button type="primary" size="mini" @click="ganttRedo">鍓嶈繘鎷栧姩鎿嶄綔</el-button>
+      <el-button type="primary" size="mini" @click="ganttZoomIn">鏀惧ぇ</el-button>
+      <el-button type="primary" size="mini" @click="ganttZoomOut">缂╁皬</el-button>
+      <el-date-picker
+        v-model="ganttDateRange"
+        style="margin-left: 10px;"
+        size="mini"
+        type="daterange"
+        :clearable="false"
+        range-separator="鑷�"
+        start-placeholder="寮�濮嬫棩鏈�"
+        end-placeholder="缁撴潫鏃ユ湡"
+        @change="ganttDateRangeChange"
+      />
+      <el-button type="primary" style="margin-left: 10px;" size="mini" @click="handleGetSelected">
+        鑾峰彇澶嶉�夋閫変腑浠诲姟
+      </el-button>
+      <el-button size="mini" @click="handleClearSelection">
+        娓呯┖澶嶉�夋閫夋嫨
+      </el-button>
+    </div>
+
+    <div id="gantt_here" style="width:100%; height:90vh;" />
+  </div>
+</template>
+
+<script>
+// import { gantt } from 'dhtmlx-gantt'
+// import 'dhtmlx-gantt/codebase/dhtmlxgantt.css'
+
+import { gantt } from '@/components/dhtmlxGantt'
+import '@/components/dhtmlxGantt/codebase/dhtmlxgantt.css'
+
+export default {
+  data() {
+    return {
+      value: 'default',
+      ganttDateRange: ['2025-04-01', '2025-05-10'],
+      selectedIds: []
+    }
+  },
+  mounted() {
+    this.init()
+  },
+  methods: {
+
+    init() {
+      // gantt.clearAll()
+
+      gantt.plugins({
+        auto_scheduling: true,
+        critical_path: true,
+        drag_timeline: true,
+        grouping: true,
+        keyboard_navigation: true,
+        marker: true,
+        multiselect: true,
+        tooltip: true,
+        undo: true
+      })
+      gantt.config.multiselect = true // 寮�鍚浠诲姟閫夋嫨
+      /* 鈫撯啌鈫� Auto-scheduling configuration 鈫撯啌鈫� */
+      gantt.config.auto_scheduling = true
+
+      // gantt.config.project_start = new Date(2025, 03, 05);
+      // gantt.config.project_start = '2025/03/05'
+
+      // gantt.addMarker({
+      //   text: '椤圭洰寮�濮�',
+      //   start_date: gantt.config.project_start
+      // })
+
+      function renderDiv(task, date, className) {
+        const el = document.createElement('div')
+        el.className = className
+        const sizes = gantt.getTaskPosition(task, date)
+        el.style.left = sizes.left + 'px'
+        el.style.top = sizes.top + 'px'
+        return el
+      }
+
+      gantt.attachEvent('onGanttReady', function() {
+        // gantt.addTaskLayer(function draw_deadline(task) {
+        //   const constraintType = gantt.getConstraintType(task);
+        //   const types = gantt.config.constraint_types;
+        //   if (constraintType != types.ASAP && constraintType != types.ALAP && task.constraint_date) {
+        //     const dates = gantt.getConstraintLimitations(task);
+        //
+        //     const els = document.createElement("div");
+        //
+        //     if (dates.earliestStart) {
+        //       els.appendChild(renderDiv(task, dates.earliestStart, 'constraint-marker earliest-start'));
+        //     }
+        //
+        //     if (dates.latestEnd) {
+        //       els.appendChild(renderDiv(task, dates.latestEnd, 'constraint-marker latest-end'));
+        //     }
+        //
+        //     els.title = gantt.locale.labels[constraintType] + " " + gantt.templates.task_date(task.constraint_date);
+        //
+        //     if (els.children.length)
+        //       return els;
+        //   }
+        //   return false;
+        // });
+      })
+      /* 鈫戔啈鈫� Auto-scheduling configuration 鈫戔啈鈫� */
+
+      /* 鈫撯啌鈫� Group configuration 鈫撯啌鈫� */
+      gantt.serverList('task_priority', [
+        { key: 1, label: '楂�' },
+        { key: 2, label: '涓瓑' },
+        { key: 3, label: '浣�' }
+      ])
+
+      gantt.serverList('task_status', [
+        { key: 1, label: 'Planning' },
+        { key: 2, label: 'Not started' },
+        { key: 3, label: 'In Progress' },
+        { key: 4, label: 'Complete' }
+      ])
+
+      gantt.i18n.setLocale('cn')
+
+      function byId(list, id) {
+        for (let i = 0; i < list.length; i++) {
+          if (list[i].key == id) {
+            return list[i].label || ''
+          }
+        }
+        return ''
+      }
+
+      /* 鈫戔啈鈫� Group configuration 鈫戔啈鈫� */
+
+      /* 鈫撯啌鈫� Zoom configuration 鈫撯啌鈫� */
+      const zoomConfig = {
+        levels: [
+          {
+            name: 'hour',
+            scale_height: 27,
+            min_column_width: 50,
+            scales: [
+              { unit: 'day', format: '%Y骞�%M%d鍙�' },
+              { unit: 'hour', format: '%H鏃�' }
+            ]
+          },
+          {
+            name: 'day',
+            scale_height: 27,
+            min_column_width: 80,
+            scales: [
+              // { unit: 'day', step: 1, format: '%d %M' }
+              { unit: 'day', step: 1, format: '%M%d鍙�' }
+            ]
+          },
+          {
+            name: 'week',
+            scale_height: 50,
+            min_column_width: 70,
+            scales: [
+              // {
+              //   unit: 'week', step: 1, format: function(date) {
+              //     const dateToStr = gantt.date.date_to_str('%d %M')
+              //     const endDate = gantt.date.add(date, -6, 'day')
+              //     const weekNum = gantt.date.date_to_str('%W')(date)
+              //     return '绗�' + weekNum + '鍛�, ' + dateToStr(date) + ' - ' + dateToStr(endDate)
+              //   }
+              // },
+              // %M
+              { unit: 'week', format: '%Y骞寸%W鍛�' },
+              { unit: 'day', step: 1, format: '%M%d鍙�' }
+              // { unit: 'day', step: 1, format: '%j %D' }
+              // { unit: 'day', step: 1, format: '鏄熸湡%D' }
+            ]
+          },
+          {
+            name: 'month',
+            scale_height: 50,
+            min_column_width: 120,
+            scales: [
+              // { unit: 'month', format: '%Y骞�%F' },
+              { unit: 'month', format: '%Y骞�%M' },
+              { unit: 'week', format: '绗�%W鍛�' }
+            ]
+          },
+          {
+            name: 'quarter',
+            height: 50,
+            min_column_width: 90,
+            scales: [
+              // {
+              //   unit: 'quarter', step: 1, format: function(date) {
+              //     const dateToStr = gantt.date.date_to_str('%M')
+              //     const endDate = gantt.date.add(gantt.date.add(date, 3, 'month'), -1, 'day')
+              //     return dateToStr(date) + ' - ' + dateToStr(endDate)
+              //   }
+              // },
+              { unit: 'month', step: 1, format: '%Y骞�%M' }
+            ]
+          },
+          {
+            name: 'year',
+            scale_height: 50,
+            min_column_width: 30,
+            scales: [
+              { unit: 'year', step: 1, format: '%Y骞�' }
+
+            ]
+          }
+        ],
+        useKey: 'ctrlKey',
+        trigger: 'wheel',
+        element: function() {
+          return gantt.$root.querySelector('.gantt_task')
+        }
+      }
+
+      gantt.ext.zoom.init(zoomConfig)
+      gantt.ext.zoom.setLevel('week')
+      /* 鈫戔啈鈫� Zoom configuration 鈫戔啈鈫� */
+
+      // 鏄惁鏄伐浣滄椂闂�
+      /* 鈫撯啌鈫� Working Time configuration 鈫撯啌鈫� */
+      gantt.templates.scale_cell_class = function(date) {
+        if (!gantt.isWorkTime(date)) {
+          return 'weekend'
+        }
+      }
+
+      gantt.templates.timeline_cell_class = function(item, date) {
+        if (!gantt.isWorkTime({ date: date, task: item })) {
+          return 'weekend'
+        }
+      }
+
+      gantt.config.work_time = true
+
+      gantt.addCalendar({
+        id: 'custom1',
+        worktime: {
+          hours: ['8:00-12:30', '13:00-17:30'], // global work hours for weekdays
+          days: [0, 1, 1, 1, 1, 1, 1]
+        }
+      })
+
+      // gantt.addCalendar({
+      //   id: 'custom2',
+      //   hours: ['12:00-21:00'],
+      //   days: [1, 0, 1, 0, 1, 0, 1]
+      // })
+      /* 鈫戔啈鈫� Working Time configuration 鈫戔啈鈫� */
+
+      /* 鈫撯啌鈫� Grid Columns configuration 鈫撯啌鈫� */
+
+      gantt.config.reorder_grid_columns = true
+
+      const textEditor = { type: 'text', map_to: 'text' }
+      const startDateEditor = { type: 'date', map_to: 'start_date' }
+      const durationEditor = { type: 'number', map_to: 'duration', min: 0, max: 100 }
+
+      // 鐢樼壒鍥惧垪鍚嶇О
+      gantt.config.columns = [
+        {
+          name: 'checked',
+          label: '閫夋嫨',
+          align: 'center',
+          width: 35,
+          resize: false,
+          // 鍏抽敭锛氱敤 template 杩斿洖涓�涓閫夋
+          template: (task) => {
+            const checked = task.checked ? 'checked' : ''
+            // data-action 鐢ㄤ簬鍦ㄤ簨浠跺鎵樻椂璇嗗埆鏄閫夋
+            return `<input type="checkbox" class="taskCheckBox" data-action="check-row" ${checked} />`
+          }
+        },
+        { name: 'wbs', label: '鑺傜偣', width: 80, template: gantt.getWBSCode },
+        { name: 'text', tree: true, label: '浠诲姟鍚嶇О', width: 200, resize: true, editor: textEditor },
+        { name: 'start_date', align: 'center', label: '寮�濮嬫棩鏈�', width: 80, resize: true, editor: startDateEditor },
+        { name: 'duration', width: 60, align: 'center', label: '宸ユ湡(澶�)', resize: true, editor: durationEditor, template: function(task) {
+          // 濡傛灉duration鏄痭ull鎴杣ndefined锛岃繑鍥�0
+          return (task.duration || 0) + 1 // 鍦ㄥ綋鍓峝uration鐨勫熀纭�涓婂姞1
+        } },
+        {
+          name: 'owner', align: 'center', width: 75, label: '璐熻矗浜�', template: function(task) {
+            if (task.type == gantt.config.types.project) {
+              return ''
+            }
+
+            const store = gantt.getDatastore('resource')
+            const assignments = task[gantt.config.resource_property]
+
+            if (!assignments || !assignments.length) {
+              return 'Unassigned'
+            }
+
+            if (assignments.length == 1) {
+              return store.getItem(assignments[0].resource_id).text
+            }
+
+            let result = ''
+            assignments.forEach(function(assignment) {
+              const owner = store.getItem(assignment.resource_id)
+              if (!owner) {
+                return
+              }
+              result += '<div class=\'owner-label\' title=\'' + owner.text + '\'>' + owner.text.substr(0, 1) + '</div>'
+            })
+
+            return result
+          },
+          resize: true
+        },
+        {
+          name: 'priority', width: 60, label: '浼樺厛绾�', align: 'center', resize: true, template: function(task) {
+            return byId(gantt.serverList('task_priority'), task.priority)
+          }
+        },
+        { name: 'add', width: 44 }
+      ]
+
+      /* 鈫戔啈鈫� Grid Columns configuration 鈫戔啈鈫� */
+
+      /* 鈫撯啌鈫� Resource configuration 鈫撯啌鈫� */
+      function getResourceAssignments(resourceId) {
+        let assignments
+        const store = gantt.getDatastore(gantt.config.resource_store)
+        const resource = store.getItem(resourceId)
+
+        if (resource.$level === 0) {
+          assignments = []
+          store.getChildren(resourceId).forEach(function(childId) {
+            assignments = assignments.concat(gantt.getResourceAssignments(childId))
+          })
+        } else if (resource.$level === 1) {
+          assignments = gantt.getResourceAssignments(resourceId)
+        } else {
+          assignments = gantt.getResourceAssignments(resource.$resource_id, resource.$task_id)
+        }
+        return assignments
+      }
+
+      gantt.templates.resource_cell_class = function(start_date, end_date, resource, tasks) {
+        const css = []
+        css.push('resource_marker')
+        if (tasks.length <= 1) {
+          css.push('workday_ok')
+        } else {
+          css.push('workday_over')
+        }
+        return css.join(' ')
+      }
+
+      gantt.templates.resource_cell_value = function(start_date, end_date, resource, tasks) {
+        let result = 0
+        tasks.forEach(function(item) {
+          const assignments = gantt.getResourceAssignments(resource.id, item.id)
+          assignments.forEach(function(assignment) {
+            const task = gantt.getTask(assignment.task_id)
+            result += assignment.value * 1
+          })
+        })
+
+        if (result % 1) {
+          result = Math.round(result * 10) / 10
+        }
+        return '<div>' + result + '</div>'
+      }
+
+      gantt.locale.labels.section_resources = 'Owners'
+      gantt.locale.labels.section_calendar = 'Calendar'
+
+      // 姹夊寲绐楀彛
+      gantt.locale.labels = {
+        dhx_cal_today_button: '浠婂ぉ',
+        day_tab: '鏃�',
+        week_tab: '鍛�',
+        month_tab: '鏈�',
+        new_event: '鏂板缓鏃ョ▼',
+        icon_save: '淇濆瓨',
+        icon_cancel: '鍏抽棴',
+        icon_details: '璇︾粏',
+        icon_edit: '缂栬緫',
+        icon_delete: '鍒犻櫎',
+        confirm_closing: '璇风‘璁ゆ槸鍚︽挙閿�淇敼!', // Your changes will be lost, are your sure?
+        confirm_deleting: '鏄惁鍒犻櫎璁″垝?',
+        section_description: '鎻忚堪:',
+        section_resources: '鑷畾涔夐�夋嫨:',
+        section_calendar: '鑷畾涔夐�夋嫨2:',
+        section_time: '鏃堕棿鑼冨洿:',
+        section_type: '绫诲瀷:',
+        section_text: '璁″垝鍚嶇О:',
+        section_test: '娴嬭瘯:',
+        section_projectClass: '椤圭洰绫诲瀷:',
+        taskProjectType_0: '椤圭洰浠诲姟',
+        taskProjectType_1: '鏅�氫换鍔�',
+        section_head: '璐熻矗浜�:',
+        section_priority: '浼樺厛绾�:',
+        taskProgress: '浠诲姟鐘舵��',
+        taskProgress_0: '鏈紑濮�',
+        taskProgress_1: '杩涜涓�',
+        taskProgress_2: '宸插畬鎴�',
+        taskProgress_3: '宸插欢鏈�',
+        taskProgress_4: '鎼佺疆涓�',
+        section_template: 'Details',
+        /* grid columns */
+        column_text: '璁″垝鍚嶇О',
+        column_start_date: '寮�濮嬫椂闂�',
+        column_duration: '鎸佺画鏃堕棿',
+        column_add: '',
+        column_priority: '闅惧害',
+        /* link confirmation */
+        link: '鍏宠仈',
+        confirm_link_deleting: '灏嗚鍒犻櫎',
+        message_ok: '纭畾',
+        message_cancel: '鍙栨秷',
+        link_start: ' (寮�濮�)',
+        link_end: ' (缁撴潫)',
+
+        type_task: '浠诲姟',
+        type_project: '椤圭洰',
+        type_milestone: '閲岀▼纰�',
+        minutes: '鍒嗛挓',
+        hours: '灏忔椂',
+        days: '澶�',
+        weeks: '鍛�',
+        months: '鏈�',
+        years: '骞�'
+      }
+
+      gantt.config.lightbox.sections = [
+        { name: 'description', height: 38, map_to: 'text', type: 'textarea', focus: true },
+        {
+          name: 'resources', type: 'resources', map_to: 'owner', options: gantt.serverList('people'), default_value: 8
+        },
+        {
+          name: 'calendar', height: 25, map_to: 'calendar_id', type: 'select', options: [
+            { key: '', label: '榛樿' },
+            { key: 'custom1', label: '閫夐」涓�' },
+            { key: 'custom2', label: '閫夐」浜�' }
+          ]
+        },
+
+        { name: 'time', type: 'duration', map_to: 'auto' }
+      ]
+
+      gantt.config.resource_store = 'resource'
+      gantt.config.resource_property = 'owner'
+      gantt.config.order_branch = true
+      gantt.config.open_tree_initially = true
+
+      gantt.config.show_errors = false // 鍙戠敓寮傚父鏃讹紝涓嶅厑璁稿脊鍑鸿鍛婂埌 UI 鐣岄潰
+
+      const resourcesStore = gantt.createDatastore({
+        name: gantt.config.resource_store,
+        type: 'treeDatastore',
+        initItem: function(item) {
+          item.parent = item.parent || gantt.config.root_id
+          item[gantt.config.resource_property] = item.parent
+          item.open = true
+          return item
+        }
+      })
+
+      resourcesStore.attachEvent('onParse', function() {
+        const people = []
+        resourcesStore.eachItem(function(res) {
+          if (!resourcesStore.hasChild(res.id)) {
+            const copy = gantt.copy(res)
+            copy.key = res.id
+            copy.label = res.text
+            people.push(copy)
+          }
+        })
+        gantt.updateCollection('people', people)
+      })
+
+      resourcesStore.parse([
+        { id: 1, text: 'QA', parent: null },
+        { id: 2, text: 'Development', parent: null },
+        { id: 3, text: 'Sales', parent: null },
+        { id: 4, text: 'Other', parent: null },
+        { id: 5, text: 'Unassigned', parent: 4 },
+        { id: 6, text: 'John', parent: 1, unit: 'hours/day' },
+        { id: 7, text: 'Mike', parent: 2, unit: 'hours/day' },
+        { id: 8, text: 'Anna', parent: 2, unit: 'hours/day' },
+        { id: 9, text: 'Bill', parent: 3, unit: 'hours/day' },
+        { id: 10, text: 'Floe', parent: 3, unit: 'hours/day' }
+      ])
+      /* 鈫戔啈鈫� Resource configuration 鈫戔啈鈫� */
+
+      /* 鈫撯啌鈫� Layout configuration 鈫撯啌鈫� */
+      gantt.config.grid_elastic_columns = true
+
+      // let currentLayout = 'default'
+
+      /* 鈫戔啈鈫� Layout configuration 鈫戔啈鈫� */
+
+      // 20250211 tooltip娴姩妗嗘樉绀虹殑End Date琚拷鍔�1鐨勯棶棰樹慨澶嶏紙搴旇鏄剧ず鏁版嵁搴撶殑鍘熷鍊硷級
+      // 鑷畾涔夋诞鍔ㄦ鐨勬樉绀哄唴瀹�
+      gantt.templates.tooltip_text = function(start, end, task) {
+        // console.log(start, end, task)
+        // 浣跨敤鍘熷缁撴潫鏃ユ湡鏄剧ず
+        var originalEndDate = task.original_end_date ? gantt.date.date_to_str('%Y-%m-%d')(task.original_end_date) : ''
+        // return `<b>宸ヤ綔鎻忚堪:</b> ${task.text}<br/>
+        //     <b>寮�濮嬫棩鏈�:</b> ${gantt.date.date_to_str('%Y-%m-%d')(task.start_date)}<br/>
+        //     <b>缁撴潫鏃ユ湡:</b> ${originalEndDate}<br/>
+        //     <b>宸ユ湡:</b> ${task.duration + 1}澶�<br/>
+        //     <b>杩涘害:</b> ${task.progress * 100}%<br/>
+        //  `
+        // <b>璐d换浜�:</b> ${task.username}<br/>
+
+        // return "<b>浠诲姟:</b> " + task.text + "<br/><b>寮�濮嬫椂闂�:</b> " + task.templates.tooltip_date_format(start) + "<br/><b>缁撴潫鏃堕棿:</b> " + task.templates.tooltip_date_format(end)
+        return '<b>浠诲姟:</b> ' + task.text + '<br/><b>寮�濮嬫椂闂�:</b> ' + `${gantt.date.date_to_str('%Y-%m-%d')(start)}` + '<br/><b>缁撴潫鏃堕棿:</b> ' + `${gantt.date.date_to_str('%Y-%m-%d')(end)}`
+      }
+
+      gantt.init('gantt_here')
+      gantt.parse({
+        'data': [
+          {
+
+            'id': 1,
+            'text': '椤圭洰1',
+            'type': 'project',
+            'start_date': '2025-04-02 00:00',
+            'end_date': '2025-04-07 00:00',
+            'duration': 5,
+            'progress': 0.4,
+            'owner': [{ 'resource_id': '5', 'value': 3 }],
+            'parent': 0,
+            'checked': false
+          },
+          {
+            'id': 2,
+            'text': '椤圭洰2',
+            'type': 'project',
+            'start_date': '02-04-2025 00:00',
+            'duration': 8,
+            'progress': 0.6,
+            'owner': [{ 'resource_id': '5', 'value': 4 }],
+            'parent': '1',
+            checked: false
+          },
+          {
+            'id': 3,
+            'text': '椤圭洰3',
+            'type': 'project',
+            'start_date': '11-04-2025 00:00',
+            'duration': 8,
+            'parent': '1',
+            'progress': 0.6,
+            'owner': [{ 'resource_id': '5', 'value': 2 }],
+            checked: false
+          },
+          {
+            'id': 4,
+            'text': '椤圭洰4',
+            'type': 'project',
+            'start_date': '13-04-2025 00:00',
+            'duration': 5,
+            'parent': '1',
+            'progress': 0.5,
+            'owner': [{ 'resource_id': '5', 'value': 4 }],
+            'priority': 3,
+            checked: true
+          },
+          {
+            'id': 5,
+            'text': '浠诲姟5',
+            'calendar_id': 'custom1',
+            'type': 'task',
+            'start_date': '03-04-2025 00:00',
+            'duration': 7,
+            'parent': '2',
+            'progress': 0.6,
+            'owner': [{ 'resource_id': '6', 'value': 5 }],
+            'priority': 1,
+            checked: true
+          },
+          {
+            'id': 6,
+            'text': '浠诲姟6',
+            'type': 'task',
+            'calendar_id': 'custom1',
+            'start_date': '03-04-2025 12:00',
+            'duration': 7,
+            'parent': '2',
+            'progress': 0.6,
+            'owner': [{ 'resource_id': '7', 'value': 1 }],
+            'priority': 2,
+            checked: false
+          },
+          {
+            'id': 7,
+            'text': '浠诲姟7',
+            'calendar_id': 'custom1',
+            'type': 'task',
+            'start_date': '12-04-2025 00:00',
+            'duration': 8,
+            'parent': '3',
+            'progress': 0.6,
+            'owner': [{ 'resource_id': '10', 'value': 2 }],
+            checked: false
+          },
+          {
+            'id': 8,
+            'text': '浠诲姟8',
+            'calendar_id': 'custom1',
+            'type': 'task',
+            'start_date': '14-04-2025 00:00',
+            'duration': 5,
+            'parent': '4',
+            'progress': 0.5,
+            'owner': [{ 'resource_id': '10', 'value': 4 }, { 'resource_id': '9', 'value': 5 }],
+            'priority': 1,
+            checked: false
+          },
+          {
+            'id': 9,
+            'text': '浠诲姟9',
+            'type': 'task',
+            'start_date': '21-04-2025 00:00',
+            'duration': 4,
+            'parent': '4',
+            'progress': 0.5,
+            'owner': [{ 'resource_id': '7', 'value': 3 }],
+            checked: false
+          },
+          {
+            'id': 10,
+            'text': '浠诲姟10',
+            'type': 'task',
+            'start_date': '27-04-2025 00:00',
+            'duration': 3,
+            'parent': '4',
+            'progress': 0.5,
+            'owner': [{ 'resource_id': '8', 'value': 5 }],
+            'priority': 2,
+            checked: false
+          },
+          {
+            'id': 11,
+            'text': '浠诲姟11',
+            'type': 'project',
+            'progress': 0.6,
+            'start_date': '02-04-2025 00:00',
+            'duration': 13,
+            'owner': [{ 'resource_id': '5', 'value': 4 }],
+            'parent': 0,
+            checked: false
+          },
+          {
+            'id': 12,
+            'text': '浠诲姟12',
+            'calendar_id': 'custom2',
+            'type': 'task',
+            'start_date': '03-04-2025 00:00',
+            'duration': 5,
+            'parent': '11',
+            'progress': 1,
+            'owner': [{ 'resource_id': '7', 'value': 6 }],
+            checked: false
+          },
+          {
+            'id': 13,
+            'text': '椤圭洰13',
+            'type': 'project',
+            'start_date': '03-04-2025 00:00',
+            'duration': 11,
+            'parent': '11',
+            'progress': 0.5,
+            'owner': [{ 'resource_id': '5', 'value': 2 }],
+            checked: false
+          },
+          {
+            'id': 14,
+            'text': '浠诲姟14',
+            'calendar_id': 'custom2',
+            'type': 'task',
+            'start_date': '03-04-2025 00:00',
+            'duration': 6,
+            'parent': '11',
+            'owner': [],
+            'progress': 0.8,
+            checked: false
+          },
+          {
+            'id': 15,
+            'text': '椤圭洰15',
+            'type': 'project',
+            'start_date': '03-04-2025 00:00',
+            'duration': 5,
+            'parent': '11',
+            'progress': 0.2,
+            'owner': [{ 'resource_id': '5', 'value': 5 }],
+            checked: false
+          },
+          {
+            'id': 16,
+            'text': '浠诲姟16',
+            'calendar_id': 'custom2',
+            'type': 'task',
+            'start_date': '03-04-2025 00:00',
+            'duration': 7,
+            'parent': '11',
+            'progress': 0,
+            'owner': [{ 'resource_id': '7', 'value': 2 }],
+            'priority': 1,
+            checked: false
+          },
+          {
+            'id': 17,
+            'text': '浠诲姟17',
+            'type': 'task',
+            'start_date': '03-04-2025 00:00',
+            'duration': 2,
+            'parent': '13',
+            'progress': 1,
+            'owner': [{ 'resource_id': '8', 'value': 1 }],
+            'priority': 2,
+            checked: false
+          },
+          {
+            'id': 25,
+            'text': '浠诲姟18',
+            // 'type': 'milestone',
+            'type': 'task',
+            'start_date': '06-04-2025 00:00',
+            'parent': '13',
+            'progress': 0,
+            'owner': [{ 'resource_id': '5', 'value': 1 }],
+            'duration': 0,
+            checked: false
+          },
+          {
+            'id': 18,
+            'text': '浠诲姟19',
+            'type': 'task',
+            'start_date': '10-04-2025 00:00',
+            'duration': 2,
+            'parent': '13',
+            'progress': 0.8,
+            'owner': [{ 'resource_id': '6', 'value': 2 }],
+            'priority': 3,
+            checked: false
+          },
+          {
+            'id': 19,
+            'text': '浠诲姟20',
+            'calendar_id': 'custom1',
+            'type': 'task',
+            'start_date': '13-04-2025 00:00',
+            'duration': 4,
+            'parent': '13',
+            'progress': 0.2,
+            'owner': [{ 'resource_id': '6', 'value': 3 }],
+            checked: false
+          },
+          {
+            'id': 20,
+            'text': '浠诲姟21',
+            'type': 'task',
+            'start_date': '13-04-2025 00:00',
+            'duration': 4,
+            'parent': '13',
+            'progress': 0,
+            'owner': [{ 'resource_id': '8', 'value': 4 }],
+            'priority': 1,
+            checked: false
+          },
+          {
+            'id': 21,
+            'text': '浠诲姟22',
+            'type': 'task',
+            'start_date': '03-04-2025 00:00',
+            'duration': 4,
+            'parent': '15',
+            'progress': 0.5,
+            'owner': [{ 'resource_id': '6', 'value': 5 }],
+            checked: false
+          },
+          {
+            'id': 22,
+            'text': '浠诲姟23',
+            'calendar_id': 'custom1',
+            'type': 'task',
+            'start_date': '03-04-2025 00:00',
+            'duration': 4,
+            'parent': '15',
+            'progress': 0.1,
+            'owner': [{ 'resource_id': '8', 'value': 3 }],
+            'priority': 1,
+            checked: false
+          },
+          {
+            'id': 23,
+            'text': '浠诲姟24',
+            'type': 'task',
+            'start_date': '03-04-2025 00:00',
+            'duration': 5,
+            'parent': '15',
+            'progress': 0,
+            'owner': [{ 'resource_id': '8', 'value': 5 }],
+            'priority': 1,
+            checked: false
+          },
+          {
+            'id': 24,
+            'text': '浠诲姟25',
+            // 'type': 'milestone',
+            'type': 'task',
+            'start_date': '20-04-2025 00:00',
+            'parent': '11',
+            'progress': 0,
+            'owner': [{ 'resource_id': '5', 'value': 3 }],
+            'duration': 0,
+            checked: false
+          }
+        ]
+
+      })
+
+      // 缁戝畾鐢樼壒鍥剧偣鍑讳簨浠讹紙瀹樻柟鎺ㄨ崘鐨勪簨浠跺鎵樼敤娉曪級<span data-allow-html class='source-item source-aggregated' data-group-key='source-group-2' data-url='https://juejin.cn/post/7352376280387764278' data-id='turn0fetch0'><span data-allow-html class='source-item-num' data-group-key='source-group-2' data-id='turn0fetch0' data-url='https://juejin.cn/post/7352376280387764278'><span class='source-item-num-name' data-allow-html>https://juejin.cn/post/7352376280387764278</span></span></span>
+      gantt.attachEvent('onTaskClick', (id, e) => {
+        // 鎵惧埌鐐瑰嚮鐨勬槸鍚︽槸澶嶉�夋
+        const checkbox = e.target.closest('[data-action="check-row"]')
+        if (!checkbox) {
+          // 涓嶆槸鐐瑰閫夋锛屽氨淇濇寔榛樿琛屼负
+          return true
+        }
+
+        // 鏄閫夋锛氬垏鎹㈤�変腑鐘舵��
+        const task = gantt.getTask(id)
+        if (task) {
+          task.checked = !task.checked
+          gantt.updateTask(id) // 鍙埛鏂拌繖涓�琛岋紝鎬ц兘鏇村ソ
+          this.syncSelected() // 鍚屾鍒� Vue 鐨� selectedIds
+        }
+
+        // 闃绘榛樿鐐瑰嚮琛岃涓猴紙閬垮厤璇Е鍙戝叾浠栭�昏緫锛�
+        return false
+      })
+
+      // 鍒濆鍖栧畬鎴愬悗鍚屾涓�娆¢�変腑鐘舵��
+      this.syncSelected()
+    },
+
+    // 淇濆瓨鍒版湰鍦板瓨鍌�
+    loadFromLocalStorage() {
+      this.loadGeneralConfig()
+      this.loadStacks()
+      this.loadGridColumnsConfig()
+      this.loadLayoutConfig()
+      this.loadVariousConfig()
+    },
+    // 浠庢湰鍦板瓨鍌ㄥ姞杞�
+    saveToLocalStorage() {
+      this.saveGeneralConfig()
+      this.saveVariousConfig()
+      this.saveGridColumnsConfig()
+      this.saveLayoutConfig()
+      this.saveStacks()
+    },
+
+    saveGeneralConfig() {
+      const generalConfig = {}
+      // add properties that you want to save in the local storage
+      const properties = [
+        'grid_width',
+        'start_date',
+        'end_date'
+
+        // examples of the properties you may want to add
+        // "skip_off_time",
+        // "show_tasks_outside_timescale",
+        // "rtl",
+        // "resize_rows",
+        // "keyboard_navigation",
+        // "keyboard_navigation_cells",
+      ]
+      properties.forEach(function(prop) {
+        switch (typeof gantt.config[prop]) {
+          case 'number':
+          case 'string':
+          case 'boolean':
+            generalConfig[prop] = gantt.config[prop]
+            break
+          case 'object':
+            if (gantt.config[prop] && typeof gantt.config[prop].getMonth === 'function') {
+              generalConfig[prop] = gantt.date.date_to_str(gantt.config.date_format)(gantt.config[prop])
+            }
+            break
+          // objects and methods should be set from the application
+        }
+      })
+
+      const storageName = `DHTMLX Gantt: General Configuration`
+      const serializedConfig = JSON.stringify(generalConfig) + ''
+      localStorage.setItem(storageName, serializedConfig)
+    },
+
+    loadGeneralConfig() {
+      const storageName = `DHTMLX Gantt: General Configuration`
+      const loadedConfig = localStorage.getItem(storageName)
+      const generalConfig = JSON.parse(loadedConfig)
+
+      const dateProperties = [
+        'start_date',
+        'end_date',
+        'project_start',
+        'project_end'
+      ]
+      dateProperties.forEach(function(prop) {
+        if (generalConfig[prop]) {
+          generalConfig[prop] = gantt.date.str_to_date(gantt.config.date_format)(generalConfig[prop])
+        }
+      })
+      gantt.mixin(gantt.config, generalConfig, true)
+    },
+
+    saveVariousConfig() {
+      const variousConfig = {
+        scrollState: gantt.getScrollState(),
+        groupMode: gantt.getState().group_mode,
+        zoomLevel: gantt.ext.zoom.getCurrentLevel()
+      }
+
+      const storageName = `DHTMLX Gantt: Various Configuration`
+      const serializedConfig = JSON.stringify(variousConfig) + ''
+      localStorage.setItem(storageName, serializedConfig)
+    },
+
+    loadVariousConfig() {
+      const storageName = `DHTMLX Gantt: Various Configuration`
+      const loadedConfig = localStorage.getItem(storageName)
+      const variousConfig = JSON.parse(loadedConfig)
+
+      gantt.scrollTo(variousConfig.scrollState.x, variousConfig.scrollState.y)
+
+      if (variousConfig.groupMode) {
+        // this is a custom function. in your case, it may be a different name
+        this.group(variousConfig.groupMode)
+      }
+
+      gantt.ext.zoom.setLevel(variousConfig.zoomLevel)
+    },
+
+    saveGridColumnsConfig() {
+      const storageName = `DHTMLX Gantt: Grid Columns Configuration`
+      const serializedConfig = JSON.stringify(gantt.config.columns) + ''
+      // objects and functions cannot be saved
+      localStorage.setItem(storageName, serializedConfig)
+    },
+
+    loadGridColumnsConfig() {
+      const storageName = `DHTMLX Gantt: Grid Columns Configuration`
+      const loadedConfig = localStorage.getItem(storageName)
+      const gridColumnsConfig = JSON.parse(loadedConfig)
+
+      // as objects and functions cannot be saved, we add them from the existing columns
+      // also, this approach helps saving the column order
+      gridColumnsConfig.forEach(function(column) {
+        const existingColumn = gantt.getGridColumn(column.name)
+        gantt.mixin(column, existingColumn, false)
+      })
+
+      gantt.config.columns = gridColumnsConfig
+    },
+
+    saveLayoutConfig() {
+      const layoutConfig = {
+        currentLayout,
+        gridWidth: gantt.getLayoutView('grid').$state.width
+      }
+
+      switch (layoutConfig.currentLayout) {
+        case 'resource':
+          layoutConfig.ganttPanelHeight = gantt.getLayoutView('ganttPanelCell').$lastSize.y
+        case 'default':
+          layoutConfig.gridWidth = gantt.config.grid_width
+          break
+
+        case 'universal':
+        case 'complexScrollbars':
+          layoutConfig.ganttPanelHeight = gantt.getLayoutView('mainGrid').$lastSize.y
+          break
+      }
+
+      const storageName = `DHTMLX Gantt: Layout Configuration`
+      const serializedConfig = JSON.stringify(layoutConfig) + ''
+      localStorage.setItem(storageName, serializedConfig)
+    },
+
+    loadLayoutConfig() {
+      const storageName = `DHTMLX Gantt: Layout Configuration`
+      const loadedConfig = localStorage.getItem(storageName)
+      const layoutConfig = JSON.parse(loadedConfig)
+
+      this.changeLayout(layoutConfig.currentLayout)
+      document.querySelector('.layout_config').value = layoutConfig.currentLayout
+
+      switch (layoutConfig.currentLayout) {
+        case 'horizontalScrollbars':
+          gantt.config.layout.cols[0].width = layoutConfig.gridWidth
+
+          break
+        case 'resource':
+          gantt.config.layout.rows[0].height = layoutConfig.ganttPanelHeight
+
+          break
+        case 'universal':
+        case 'complexScrollbars':
+          gantt.config.layout.cols[0].width = layoutConfig.gridWidth
+          gantt.config.layout.cols[0].rows[0].height = layoutConfig.ganttPanelHeight
+          gantt.config.layout.cols[2].rows[0].height = layoutConfig.ganttPanelHeight
+          break
+      }
+
+      gantt.init('gantt_here')
+
+      // with the rows[cols[]] layout configuration, we need to rely
+      // on the grid_width config, and it is correctly applied only
+      // after we use the `render` method
+      if (layoutConfig.currentLayout == 'default' || layoutConfig.currentLayout == 'resource') {
+        gantt.config.grid_width = layoutConfig.gridWidth
+        gantt.render()
+      }
+    },
+
+    saveStacks() {
+      this.saveStack('Undo')
+      this.saveStack('Redo')
+    },
+
+    loadStacks() {
+      this.loadStack('Undo')
+      this.loadStack('Redo')
+    },
+
+    saveStack(stackType) {
+      const stack = gantt.copy(gantt[`get${stackType}Stack`]())
+      stack.forEach(function(action) {
+        action.commands.forEach(function(command) {
+          command.oldValue = gantt.json.serializeTask(command.oldValue)
+          command.value = gantt.json.serializeTask(command.value)
+          const assignments = gantt.config.resource_property
+          // if (command.oldValue[assignments]) {
+          //   for (assignment in command.oldValue[assignments]) {
+          //     command.oldValue[assignments][assignment] = gantt.json.serializeTask(command.oldValue[assignments][assignment])
+          //   }
+          // }
+          // if (command.value[assignments]) {
+          //   for (assignment in command.value[assignments]) {
+          //     command.value[assignments][assignment] = gantt.json.serializeTask(command.value[assignments][assignment])
+          //   }
+          // }
+        })
+      })
+
+      const serializedStack = JSON.stringify(stack) + ''
+      const storageName = `DHTMLX Gantt: ${stackType} Stack`
+      localStorage.setItem(storageName, serializedStack)
+    },
+
+    loadStack(stackType) {
+      const storageName = `DHTMLX Gantt: ${stackType} Stack`
+      const serializedStack = localStorage.getItem(storageName)
+      const loadedStack = JSON.parse(serializedStack)
+
+      loadedStack.forEach(function(action) {
+        action.commands.forEach(function(command) {
+          convertDateProperties(command.oldValue)
+          convertDateProperties(command.value)
+
+          const assignments = gantt.config.resource_property
+          // if (command.oldValue[assignments]) {
+          //   for (assignment in command.oldValue[assignments]) {
+          //     convertDateProperties(command.oldValue[assignments][assignment])
+          //   }
+          // }
+          // if (command.value[assignments]) {
+          //   for (assignment in command.value[assignments]) {
+          //     convertDateProperties(command.value[assignments][assignment])
+          //   }
+          // }
+        })
+      })
+
+      gantt[`clear${stackType}Stack`]()
+
+      const stack = gantt[`get${stackType}Stack`]()
+      loadedStack.forEach(function(action) {
+        stack.push(action)
+      })
+
+      function convertDateProperties(obj) {
+        const dateProperties = [
+          'start_date',
+          'end_date',
+          'constraint_date'
+        ]
+
+        dateProperties.forEach(function(prop) {
+          if (obj[prop]) {
+            obj[prop] = gantt.date.parseDate(obj[prop], gantt.config.date_format)
+          }
+        })
+      }
+    },
+
+    // changeDates() {
+    //   const startDateEl = document.querySelector('.start_date')
+    //   const endDateEl = document.querySelector('.end_date')
+    //   const startDate = new Date(startDateEl.value)
+    //   const endDate = new Date(endDateEl.value)
+    //   if (!+startDate || !+endDate) {
+    //     return
+    //   }
+    //
+    //   gantt.config.start_date = startDate
+    //   gantt.config.end_date = endDate
+    //   gantt.render()
+    // },
+
+    ganttDateRangeChange(val) {
+      console.log(val)
+      gantt.config.start_date = val[0]
+      gantt.config.end_date = val[1]
+      gantt.render()
+    },
+
+    ganttUndo() {
+      gantt.undo()
+    },
+    ganttRedo() {
+      gantt.redo()
+    },
+    ganttZoomIn() {
+      gantt.ext.zoom.zoomIn()
+    },
+    ganttZoomOut() {
+      gantt.ext.zoom.zoomOut()
+    },
+
+    // 鍒嗙粍
+    group(type) {
+      switch (type) {
+        case 'priority':
+          gantt.groupBy({
+            groups: gantt.serverList('task_priority'),
+            relation_property: type,
+            group_id: 'key',
+            group_text: 'label'
+          })
+
+          break
+        case 'owner':
+          const groups = gantt.getDatastore('resource').getItems().map(function(item) {
+            const group = gantt.copy(item)
+            group.group_id = group.id
+            group.id = gantt.uid()
+            return group
+          })
+
+          gantt.groupBy({
+            groups: groups,
+            relation_property: gantt.config.resource_property,
+            group_id: 'group_id',
+            group_text: 'text',
+            delimiter: ', ',
+            default_group_label: 'Not Assigned'
+          })
+
+          break
+
+        default:
+          gantt.groupBy(false)
+          break
+      }
+    },
+    changeLayout(value) {
+      console.log(value)
+      // currentLayout = value
+
+      const resourceConfig = {
+        columns: [
+          {
+            name: 'name', label: 'Name', tree: true, template: function(resource) {
+              return resource.text
+            }
+          },
+          {
+            name: 'workload', label: 'Workload', template: function(resource) {
+              let totalDuration = 0
+              if (resource.$level == 2) {
+                const assignment = gantt.getResourceAssignments(resource.$resource_id, resource.$task_id)[0]
+                totalDuration = resource.duration * assignment.value
+              } else {
+                const assignments = getResourceAssignments(resource.id)
+                assignments.forEach(function(assignment) {
+                  const task = gantt.getTask(assignment.task_id)
+                  totalDuration += Number(assignment.value) * task.duration
+                })
+              }
+
+              return (totalDuration || 0) + 'h'
+            }
+          }
+        ]
+      }
+
+      const defaultLayout = {
+        css: 'gantt_container',
+        rows: [
+          {
+            cols: [
+              {
+                // the default grid view
+                view: 'grid',
+                scrollX: 'scrollHor',
+                scrollY: 'scrollVer'
+              },
+              { resizer: true, width: 1 },
+              {
+                // the default timeline view
+                view: 'timeline',
+                scrollX: 'scrollHor',
+                scrollY: 'scrollVer'
+              },
+              {
+                view: 'scrollbar',
+                id: 'scrollVer'
+              }
+            ]
+          },
+          {
+            view: 'scrollbar',
+            id: 'scrollHor'
+          }
+        ]
+      }
+
+      const gridWidthScrollbarLayout = {
+        css: 'gantt_container',
+        cols: [
+          {
+            rows: [
+              {
+                view: 'grid',
+                scrollable: true,
+                scrollX: 'scrollHor1',
+                scrollY: 'scrollVer'
+              },
+              {
+                view: 'scrollbar',
+                id: 'scrollHor1',
+                scroll: 'x',
+                group: 'hor'
+              }
+            ]
+          },
+          { resizer: true, width: 1 },
+          {
+            rows: [
+              {
+                view: 'timeline',
+                scrollX: 'scrollHor',
+                scrollY: 'scrollVer'
+              },
+              {
+                view: 'scrollbar',
+                id: 'scrollHor',
+                scroll: 'x',
+                group: 'hor'
+              }
+            ]
+          },
+          {
+            view: 'scrollbar',
+            id: 'scrollVer'
+          }
+        ]
+      }
+
+      const resourceLayoutGeneral = {
+        css: 'gantt_container',
+        rows: [
+          {
+            id: 'ganttPanelCell',
+            cols: [
+              { view: 'grid', group: 'grids', scrollY: 'scrollVer' },
+              { resizer: true, width: 1 },
+              { view: 'timeline', scrollX: 'scrollHor', scrollY: 'scrollVer' },
+              { view: 'scrollbar', id: 'scrollVer', group: 'vertical' }
+            ],
+            gravity: 2
+          },
+          { resizer: true, width: 1 },
+          {
+            config: resourceConfig,
+            cols: [
+              { view: 'resourceGrid', group: 'grids', width: 435, scrollY: 'resourceVScroll' },
+              { resizer: true, width: 1 },
+              { view: 'resourceTimeline', scrollX: 'scrollHor', scrollY: 'resourceVScroll' },
+              { view: 'scrollbar', id: 'resourceVScroll', group: 'vertical' }
+            ],
+            gravity: 1
+          },
+          { view: 'scrollbar', id: 'scrollHor' }
+        ]
+      }
+
+      const universalLayout = {
+        css: 'gantt_container',
+        cols: [
+          {
+            width: 400,
+            rows: [
+              {
+                id: 'mainGrid',
+                linkedView: 'mainTimeline',
+                group: 'gantt',
+                cols: [
+                  {
+                    rows: [
+                      { view: 'grid', scrollX: 'gridScrollX', scrollable: true, scrollY: 'scrollVer' }
+                    ]
+                  }
+                ]
+              },
+              { resizer: true, width: 1 },
+              {
+                id: 'resourceGrid',
+                linkedView: 'resourceTimeline',
+                group: 'resourceLoad',
+                config: resourceConfig,
+                cols: [
+                  {
+                    rows: [
+                      { view: 'resourceGrid', scrollY: 'scrollVer2', scrollX: 'gridScrollX', scrollable: true },
+                      { view: 'scrollbar', id: 'gridScrollX' }
+                    ]
+                  }
+                ]
+              }
+            ]
+          },
+          { resizer: true, width: 1 },
+          {
+            rows: [
+              {
+                id: 'mainTimeline',
+                linkedView: 'mainGrid',
+                group: 'gantt',
+                cols: [
+                  {
+                    rows: [
+                      { view: 'timeline', scrollX: 'scrollHor', scrollY: 'scrollVer' }
+                    ]
+                  },
+                  { view: 'scrollbar', id: 'scrollVer' }
+                ]
+              },
+              { resizer: true, width: 1 },
+              {
+                id: 'resourceTimeline',
+                linkedView: 'resourceGrid',
+                group: 'resourceLoad',
+                cols: [
+                  {
+                    rows: [
+                      { view: 'resourceTimeline', scrollX: 'scrollHor', scrollY: 'scrollVer2' },
+                      { view: 'scrollbar', id: 'scrollHor' }
+                    ]
+                  },
+                  { view: 'scrollbar', id: 'scrollVer2' }
+                ]
+              }
+            ]
+          }
+        ]
+      }
+
+      const complexLayoutWithScrollbars = {
+        css: 'gantt_container',
+        cols: [
+          {
+            width: 400,
+            // min_width: 100,
+            rows: [
+              {
+                id: 'mainGrid',
+                group: 'gantt',
+                cols: [
+                  {
+                    rows: [
+                      { view: 'grid', scrollX: 'gridScrollX', scrollable: true, scrollY: 'gridScrollY' },
+                      { view: 'scrollbar', id: 'gridScrollX', group: 'mainGantt' }
+                    ]
+                  },
+                  { view: 'scrollbar', id: 'gridScrollY' }
+                ]
+              },
+              { resizer: true, width: 1 },
+              {
+                group: 'resources',
+                config: resourceConfig,
+                cols: [
+                  {
+                    rows: [
+                      { view: 'resourceGrid', scrollY: 'gridScrollY2', scrollX: 'gridScrollX2', scrollable: true },
+                      { view: 'scrollbar', id: 'gridScrollX2', group: 'resourcePanel' }
+                    ]
+                  },
+                  { view: 'scrollbar', id: 'gridScrollY2' }
+                ]
+              }
+
+            ]
+          },
+          // {view: "scrollbar", id: "grid",scrollX: "grid"},
+          { resizer: true, width: 1 },
+          {
+            rows: [
+              {
+                group: 'gantt',
+                cols: [
+                  {
+                    rows: [
+                      { view: 'timeline', scrollX: 'scrollHor', scrollY: 'scrollVer' },
+                      { view: 'scrollbar', id: 'scrollHor', group: 'mainGantt' }
+                    ]
+                  },
+                  { view: 'scrollbar', id: 'scrollVer' }
+                ]
+              },
+              { resizer: true, width: 1 },
+              {
+                group: 'resources',
+                cols: [
+                  {
+                    rows: [
+                      { view: 'resourceTimeline', scrollX: 'scrollHor2', scrollY: 'scrollVer2' },
+                      { view: 'scrollbar', id: 'scrollHor2', group: 'resourcePanel' }
+                    ]
+                  },
+                  { view: 'scrollbar', id: 'scrollVer2' }
+                ]
+              }
+            ]
+          }
+        ]
+      }
+
+      switch (value) {
+        case 'default':
+          gantt.config.layout = defaultLayout
+          break
+        case 'horizontalScrollbars':
+          gantt.config.layout = gridWidthScrollbarLayout
+          break
+        case 'resource':
+          gantt.config.layout = resourceLayoutGeneral
+          break
+        case 'universal':
+          gantt.config.layout = universalLayout
+          break
+        case 'complexScrollbars':
+          gantt.config.layout = complexLayoutWithScrollbars
+          break
+      }
+      gantt.init('gantt_here')
+    },
+    // 浠庣敇鐗瑰浘涓悓姝ラ�変腑鐨� id 鍒� Vue data
+    syncSelected() {
+      const tasks = gantt.serialize().data || []
+      console.log(tasks)
+      this.selectedIds = tasks.filter(t => t.checked).map(t => t.id)
+      console.log(this.selectedIds)
+    },
+
+    // 鑾峰彇閫変腑浠诲姟锛堢ず渚嬶級
+    handleGetSelected() {
+      const tasks = gantt.serialize().data || []
+      const selected = tasks.filter(t => t.checked)
+      this.$notify.success(`褰撳墠宸查�変腑${selected.length} 鏉′换鍔)
+    },
+
+    // 娓呯┖鎵�鏈夐�夋嫨
+    handleClearSelection() {
+      // 鑾峰彇鎵�鏈変换鍔�
+      const tasks = gantt.serialize().data || []
+
+      // 閬嶅巻鎵�鏈変换鍔★紝灏� checked 灞炴�ц缃负 false
+      tasks.forEach(task => {
+        task.checked = false
+      })
+
+      // 鏇存柊鎵�鏈変换鍔℃樉绀�
+      gantt.eachTask((task) => {
+        task.checked = false
+        gantt.updateTask(task.id)
+      })
+
+      // 鍚屾鍒� Vue 缁勪欢鏁版嵁
+      this.syncSelected()
+
+      // 鏄剧ず鎻愮ず淇℃伅
+      this.$notify.success('宸叉竻绌烘墍鏈夐�夋嫨')
+    }
+
+  }
+}
+
+</script>
+
+<style>
+body,
+html {
+  width: 100%;
+  height: 100%;
+  margin: unset;
+}
+
+.local_storage {
+  background: lavender;
+  border: 2px dotted orange;
+  font-weight: bold;
+}
+
+.gantt_grid_scale .gantt_grid_head_cell,
+.gantt_task .gantt_task_scale .gantt_scale_cell {
+  font-weight: bold;
+  font-size: 14px;
+  color: rgba(0, 0, 0, 0.7);
+}
+
+.resource_marker {
+  text-align: center;
+}
+
+.resource_marker div {
+  width: 28px;
+  height: 28px;
+  line-height: 29px;
+  display: inline-block;
+  border-radius: 15px;
+  color: #FFF;
+  margin: 3px;
+}
+
+.resource_marker.workday_ok div {
+  background: #51c185;
+}
+
+.resource_marker.workday_over div {
+  background: #ff8686;
+}
+
+.owner-label {
+  width: 20px;
+  height: 20px;
+  line-height: 20px;
+  font-size: 12px;
+  display: inline-block;
+  border: 1px solid #cccccc;
+  border-radius: 25px;
+  background: #e6e6e6;
+  color: #6f6f6f;
+  margin: 0 3px;
+  font-weight: bold;
+}
+
+.weekend {
+  background: LightGoldenrodYellow;
+}
+
+.constraint-marker {
+  position: absolute;
+
+  -moz-box-sizing: border-box;
+  box-sizing: border-box;
+
+  width: 56px;
+  height: 56px;
+  margin-top: -11px;
+
+  opacity: 0.4;
+  z-index: 1;
+  background: url("https://docs.dhtmlx.com/gantt/samples/common/constraint-arrow.svg") center no-repeat;
+  background-size: cover;
+}
+
+.constraint-marker.earliest-start {
+  margin-left: -53px;
+}
+
+.constraint-marker.latest-end {
+  margin-left: -3px;
+  transform: rotate(180deg);
+}
+
+.taskCheckBox {
+  cursor: pointer;
+  z-index: 99999 !important;
+}
+</style>

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