64 lines
2.3 KiB
C#
64 lines
2.3 KiB
C#
using Nirvana.Common;
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using SqlSugar;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Nirvana.Data
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{
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public class ReadDbContext
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{
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public static string ConnectionString = Configs.GetString("NirvanaConnection");
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public static Dictionary<string, SqlFilterItem> DefaultFilter = new Dictionary<string, SqlFilterItem>
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{
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};
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public static SqlSugarClient GetInstance()
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{
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try
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{
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var Connection = new ConnectionConfig() { ConnectionString = ConnectionString, DbType = DbType.SqlServer, IsAutoCloseConnection = true };
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var reval = new SqlSugarClient(Connection);
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DefaultFilter.Keys.ToList().ForEach(x =>
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{
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reval.QueryFilter.Add(DefaultFilter[x]);
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});//给查询添加默认过滤器 （所有查询加上 isdeleted=0 or null）
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//.AddDisableUpdateColumns("CreateTime", "Creator");//添加禁止更新列
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reval.Ado.IsEnableLogEvent = true;
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reval.Aop.OnLogExecuting = (sql, pars) => //SQL执行前事件
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{
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//在这儿打段点可以查看生成的SQL语句
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Console.WriteLine(sql);
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};
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reval.Aop.OnLogExecuted = (sql, pars) => //SQL执行完事件
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{
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// 获取执行时间
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// var time = reval.Ado.SqlExecutionTime;
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// reval.Ado.Close();
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};
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//reval.Aop.OnError = (exp) =>//执行SQL 错误事件
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//{
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// //执行的SQL
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// Console.WriteLine(exp.Sql);
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// //执行的参数
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// var param = exp.Parametres;
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//};
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reval.Aop.OnExecutingChangeSql = (sql, pars) => //SQL执行前 可以修改SQL
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{
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return new KeyValuePair<string, SugarParameter[]>(sql, pars);
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};
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return reval;
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}
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catch (Exception)
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{
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throw new Exception("连接数据库出错，请检查您的连接字符串和网络。");
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}
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}
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}
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}
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