From bd2f187c3f6e24576919e71c794cf8cb9f8c8bac Mon Sep 17 00:00:00 2001
From: loulijun2021 <1694218219@qq.com>
Date: 星期四, 29 十二月 2022 11:21:41 +0800
Subject: [PATCH] 1.初级实现项目换肤功能
---
src/utils/index.js | 240 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 240 insertions(+), 0 deletions(-)
diff --git a/src/utils/index.js b/src/utils/index.js
index 4830c04..3225d3c 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -98,6 +98,69 @@
* @param {string} url
* @returns {Object}
*/
+export function getQueryObject(url) {
+ url = url == null ? window.location.href : url
+ const search = url.substring(url.lastIndexOf('?') + 1)
+ const obj = {}
+ const reg = /([^?&=]+)=([^?&=]*)/g
+ search.replace(reg, (rs, $1, $2) => {
+ const name = decodeURIComponent($1)
+ let val = decodeURIComponent($2)
+ val = String(val)
+ obj[name] = val
+ return rs
+ })
+ return obj
+}
+
+/**
+ * @param {string} input value
+ * @returns {number} output value
+ */
+export function byteLength(str) {
+ // returns the byte length of an utf8 string
+ let s = str.length
+ for (var i = str.length - 1; i >= 0; i--) {
+ const code = str.charCodeAt(i)
+ if (code > 0x7f && code <= 0x7ff) s++
+ else if (code > 0x7ff && code <= 0xffff) s += 2
+ if (code >= 0xDC00 && code <= 0xDFFF) i--
+ }
+ return s
+}
+
+/**
+ * @param {Array} actual
+ * @returns {Array}
+ */
+export function cleanArray(actual) {
+ const newArray = []
+ for (let i = 0; i < actual.length; i++) {
+ if (actual[i]) {
+ newArray.push(actual[i])
+ }
+ }
+ return newArray
+}
+
+/**
+ * @param {Object} json
+ * @returns {Array}
+ */
+export function param(json) {
+ if (!json) return ''
+ return cleanArray(
+ Object.keys(json).map(key => {
+ if (json[key] === undefined) return ''
+ return encodeURIComponent(key) + '=' + encodeURIComponent(json[key])
+ })
+ ).join('&')
+}
+
+/**
+ * @param {string} url
+ * @returns {Object}
+ */
export function param2Obj(url) {
const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
if (!search) {
@@ -115,3 +178,180 @@
})
return obj
}
+
+/**
+ * @param {string} val
+ * @returns {string}
+ */
+export function html2Text(val) {
+ const div = document.createElement('div')
+ div.innerHTML = val
+ return div.textContent || div.innerText
+}
+
+/**
+ * Merges two objects, giving the last one precedence
+ * @param {Object} target
+ * @param {(Object|Array)} source
+ * @returns {Object}
+ */
+export function objectMerge(target, source) {
+ if (typeof target !== 'object') {
+ target = {}
+ }
+ if (Array.isArray(source)) {
+ return source.slice()
+ }
+ Object.keys(source).forEach(property => {
+ const sourceProperty = source[property]
+ if (typeof sourceProperty === 'object') {
+ target[property] = objectMerge(target[property], sourceProperty)
+ } else {
+ target[property] = sourceProperty
+ }
+ })
+ return target
+}
+
+/**
+ * @param {HTMLElement} element
+ * @param {string} className
+ */
+export function toggleClass(element, className) {
+ if (!element || !className) {
+ return
+ }
+ let classString = element.className
+ const nameIndex = classString.indexOf(className)
+ if (nameIndex === -1) {
+ classString += '' + className
+ } else {
+ classString =
+ classString.substr(0, nameIndex) +
+ classString.substr(nameIndex + className.length)
+ }
+ element.className = classString
+}
+
+/**
+ * @param {string} type
+ * @returns {Date}
+ */
+export function getTime(type) {
+ if (type === 'start') {
+ return new Date().getTime() - 3600 * 1000 * 24 * 90
+ } else {
+ return new Date(new Date().toDateString())
+ }
+}
+
+/**
+ * @param {Function} func
+ * @param {number} wait
+ * @param {boolean} immediate
+ * @return {*}
+ */
+export function debounce(func, wait, immediate) {
+ let timeout, args, context, timestamp, result
+
+ const later = function() {
+ // 鎹笂涓�娆¤Е鍙戞椂闂撮棿闅�
+ const last = +new Date() - timestamp
+
+ // 涓婃琚寘瑁呭嚱鏁拌璋冪敤鏃堕棿闂撮殧 last 灏忎簬璁惧畾鏃堕棿闂撮殧 wait
+ if (last < wait && last > 0) {
+ timeout = setTimeout(later, wait - last)
+ } else {
+ timeout = null
+ // 濡傛灉璁惧畾涓篿mmediate===true锛屽洜涓哄紑濮嬭竟鐣屽凡缁忚皟鐢ㄨ繃浜嗘澶勬棤闇�璋冪敤
+ if (!immediate) {
+ result = func.apply(context, args)
+ if (!timeout) context = args = null
+ }
+ }
+ }
+
+ return function(...args) {
+ context = this
+ timestamp = +new Date()
+ const callNow = immediate && !timeout
+ // 濡傛灉寤舵椂涓嶅瓨鍦紝閲嶆柊璁惧畾寤舵椂
+ if (!timeout) timeout = setTimeout(later, wait)
+ if (callNow) {
+ result = func.apply(context, args)
+ context = args = null
+ }
+
+ return result
+ }
+}
+
+/**
+ * This is just a simple version of deep copy
+ * Has a lot of edge cases bug
+ * If you want to use a perfect deep copy, use lodash's _.cloneDeep
+ * @param {Object} source
+ * @returns {Object}
+ */
+export function deepClone(source) {
+ if (!source && typeof source !== 'object') {
+ throw new Error('error arguments', 'deepClone')
+ }
+ const targetObj = source.constructor === Array ? [] : {}
+ Object.keys(source).forEach(keys => {
+ if (source[keys] && typeof source[keys] === 'object') {
+ targetObj[keys] = deepClone(source[keys])
+ } else {
+ targetObj[keys] = source[keys]
+ }
+ })
+ return targetObj
+}
+
+/**
+ * @param {Array} arr
+ * @returns {Array}
+ */
+export function uniqueArr(arr) {
+ return Array.from(new Set(arr))
+}
+
+/**
+ * @returns {string}
+ */
+export function createUniqueString() {
+ const timestamp = +new Date() + ''
+ const randomNum = parseInt((1 + Math.random()) * 65536) + ''
+ return (+(randomNum + timestamp)).toString(32)
+}
+
+/**
+ * Check if an element has a class
+ * @param {HTMLElement} elm
+ * @param {string} cls
+ * @returns {boolean}
+ */
+export function hasClass(ele, cls) {
+ return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
+}
+
+/**
+ * Add class to element
+ * @param {HTMLElement} elm
+ * @param {string} cls
+ */
+export function addClass(ele, cls) {
+ if (!hasClass(ele, cls)) ele.className += ' ' + cls
+}
+
+/**
+ * Remove class from element
+ * @param {HTMLElement} elm
+ * @param {string} cls
+ */
+export function removeClass(ele, cls) {
+ if (hasClass(ele, cls)) {
+ const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
+ ele.className = ele.className.replace(reg, ' ')
+ }
+}
--
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