using Dapper;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Web;
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using VueWebApi.Models;
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namespace VueWebApi.Tools
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{
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public class DapperHelper
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{
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/// <summary>
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/// 创建数据库连接对象Sqlserver
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/// </summary>
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/// <returns></returns>
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public static IDbConnection sqlConnection()
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{
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//string sqlServerConnectString = "server=***;database=***;User=***;password=***;Connect Timeout=10000";
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string sqlServerConnectString = ConfigurationManager.AppSettings["DBServer"];
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IDbConnection connection = new SqlConnection(sqlServerConnectString);
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connection.Open();
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return connection;
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}
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/// <summary>
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/// Dapper查询返回List
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/// </summary>
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/// <typeparam name="T">需要返回的对象类型</typeparam>
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/// <param name="sql">Sql语句</param>
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/// <param name="parm"></param>
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/// <returns></returns>
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public static List<T> select<T>(string sql, Object parm) where T : new()
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{
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List<T> list = null;
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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list = conn.Query<T>(sql, parm).ToList<T>();
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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return list;
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}
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/// <summary>
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/// Dapper查询返回List字典对象 无需手动Wapper对象了
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/// </summary>
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/// <param name="sql"></param>
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/// <param name="parm"></param>
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/// <returns></returns>
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public static List<Dictionary<string, Object>> selectToDict(string sql, Object parm)
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{
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List<Dictionary<string, Object>> result = null;
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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var menus = conn.Query(sql, parm).ToList();
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result = JsonConvert.DeserializeObject<List<Dictionary<string, Object>>>(JsonConvert.SerializeObject(menus));
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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return result;
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}
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/// <summary>
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/// Dapper查询返回对象非List集合
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="sql"></param>
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/// <param name="parm"></param>
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/// <returns></returns>
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public static T selectToObject<T>(string sql, Object parm) where T : new()
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{
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T t = new T();
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//sql语句
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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t = conn.Query<T>(sql, parm).Single<T>();
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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return t;
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}
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/// <summary>
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/// dapper通用分页函数
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/// </summary>
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/// <typeparam name="T">泛型集合实体类</typeparam>
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/// <param name="sql">查询语句</param>
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/// <param name="orderBy">排序（字段 DESC/ASC）</param>
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/// <param name="pageIndex">当前页</param>
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/// <param name="pageSize">当前页显示条数</param>
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/// <param name="total">结果集总数</param>
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/// <returns></returns>
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public static IEnumerable<T> GetPageList<T>(string sql, Object parm, string orderBy, string sort, int pageIndex, int pageSize, out int total)
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{
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//int skip = 1;
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//if (pageIndex > 0)
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//{
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// skip = (pageIndex - 1) * pageSize + 1;
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//}
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StringBuilder sb = new StringBuilder();
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sb.AppendFormat("SELECT COUNT(1) FROM ({0}) AS Result;", sql);
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sb.AppendFormat(@"SELECT *
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FROM(SELECT *,ROW_NUMBER() OVER(ORDER BY {1} {2}) AS RowNum
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FROM ({0}) AS Temp) AS Result
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WHERE RowNum >= {3} AND RowNum <= {4}
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ORDER BY {1} {2}", sql, orderBy, sort, pageIndex, pageSize); //skip, pageIndex * pageSize
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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using (var reader = conn.QueryMultiple(sb.ToString(), parm))
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{
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total = reader.ReadFirst<int>();
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return reader.Read<T>();
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}
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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}
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/// <summary>
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/// Dapper查询返回datatable数据(带参数)
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/// </summary>
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/// <param name="sql"></param>
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/// <param name="parm"></param>
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/// <returns></returns>
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public static DataTable selectdata(string sql, Object parm)
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{
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//sql语句
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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DataTable table = new DataTable();
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var data = conn.ExecuteReader(sql, parm);
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table.Load(data);
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return table;
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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}
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/// <summary>
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/// Dapper查询返回datatable数据(带参数)
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/// </summary>
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/// <param name="sql"></param>
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/// <param name="parm"></param>
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/// <returns></returns>
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public static DataTable selectlist(string sql, Object parm)
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{
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//sql语句
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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DataTable table = new DataTable();
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var data = conn.ExecuteReader(sql, parm);
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table.Load(data);
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return table;
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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}
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/// <summary>
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/// Dapper查询返回datatable数据(不带参数)
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/// </summary>
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/// <param name="sql"></param>
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/// <returns></returns>
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public static DataTable selecttable(string sql)
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{
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//sql语句
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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DataTable table = new DataTable();
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var data = conn.ExecuteReader(sql);
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table.Load(data);
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return table;
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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}
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/// <summary>
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/// Dapper执行存储过程返回datatable数据(带参数)
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/// </summary>
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/// <param name="sql">存储过程名</param>
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/// <param name="parm">参数</param>
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/// <returns></returns>
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public static DataTable selectProcedure(string sql, Object parm)
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{
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//sql语句
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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DataTable table = new DataTable();
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//var data = conn.ExecuteReader(sql, parm);
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var res = conn.ExecuteReader(sql, parm, commandType: CommandType.StoredProcedure);//sql 存储过程
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table.Load(res);
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return table;
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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}
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/// <summary>
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/// Dapper执行存储过程返回datatable数据(带参数)
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/// </summary>
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/// <param name="sql">存储过程名</param>
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/// <param name="parm">参数</param>
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/// <returns></returns>
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public static bool IsProcedure(string sql, Object parm)
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{
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bool result;
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//sql语句
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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DataTable table = new DataTable();
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//var data = conn.ExecuteReader(sql, parm);
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var res = conn.ExecuteReader(sql, parm, commandType: CommandType.StoredProcedure);//sql 存储过程
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result = true;
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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result = false;
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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return result;
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}
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}
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/// <summary>
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/// Dapper执行存储过程返回datatable数据(不带参数)
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/// </summary>
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/// <param name="sql">存储过程名</param>
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/// <returns></returns>
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public static bool IsProcedureNo(string sql)
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{
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bool result;
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//sql语句
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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DataTable table = new DataTable();
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//var data = conn.ExecuteReader(sql, parm);
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var res = conn.ExecuteReader(sql);//sql 存储过程
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result = true;
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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result = false;
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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return result;
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}
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}
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/// <summary>
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/// Dapper查询返回数据条数
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/// </summary>
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/// <param name="sql"></param>
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/// <param name="parm"></param>
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/// <returns></returns>
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public static int selectcount(string sql, Object parm)
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{
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//sql语句
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int result = 0;
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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result = conn.Query(sql, parm).Count();
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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return result;
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}
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}
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/// <summary>
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/// Dapper增删改
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/// </summary>
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/// <param name="sql"></param>
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/// <param name="parametere"></param>
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/// <returns></returns>
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public static int SQL(string sql, Object parametere)
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{
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//sql语句
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int result = 0;
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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result = conn.Execute(sql, parametere);
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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return result;
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}
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/// <summary>
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/// 增加，删除，修改使用的 事务方法 Sqllist为依次执行
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/// </summary>
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/// <param name="sqlList"></param>
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/// <returns></returns>
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public static bool DoTransaction(List<object> sqlList)
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{
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bool result;
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IDbTransaction tranction = null;
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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tranction = conn.BeginTransaction();
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for (int i = 0; i < sqlList.Count; i++)
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{
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conn.Execute(sqlList[i].GetType().GetProperty("str").GetValue(sqlList[i], null).ToString(), sqlList[i].GetType().GetProperty("parm").GetValue(sqlList[i], null), tranction);
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}
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tranction.Commit();
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result = true;
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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result = false;
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tranction.Rollback();
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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return result;
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}
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}
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/// <summary>
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/// 增加，删除，修改使用的 事务方法 Sqllist为依次执行
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/// </summary>
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/// <param name="sqlList"></param>
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/// <returns></returns>
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public static int DoTransactionCont(List<object> sqlList)
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{
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int result = 0;
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IDbTransaction tranction = null;
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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tranction = conn.BeginTransaction();
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for (int i = 0; i < sqlList.Count; i++)
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{
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result += conn.Execute(sqlList[i].GetType().GetProperty("str").GetValue(sqlList[i], null).ToString(), sqlList[i].GetType().GetProperty("parm").GetValue(sqlList[i], null), tranction);
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}
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tranction.Commit();
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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tranction.Rollback();
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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return result;
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}
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}
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/// <summary>
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/// Dapper插入 返回自增主键Id
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/// </summary>
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/// <param name="sql"></param>
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/// <param name="parameter"></param>
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/// <param name="tableName">待插入数据的表名</param>
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/// <returns></returns>
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public static int insertReturnId(string sql, Object parameter, String tableName)
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{
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int result = 0;
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using (IDbConnection conn = sqlConnection())
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{
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try
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{
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result = conn.Execute(sql, parameter);
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if (result != 0)
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{
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result = conn.Query<int>("select ident_current(@table)", new { table = tableName }).Single<int>();
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}
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}
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catch (Exception ex)
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{
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//创建日志记录组件实例
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LogHelper.WriteLog(ex);
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throw ex;
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}
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finally
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{
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conn.Dispose();
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conn.Close();
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}
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}
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return result;
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}
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}
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}
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