CRL快速开发框架4.4版发布,支持主从读写分离

 1 /// <summary>
 2         /// 返回动态对象的查询
 3         /// </summary>
 4         /// <param name="query"></param>
 5         /// <returns></returns>
 6         internal CallBackDataReader GetQueryDynamicReader(LambdaQueryBase query)
 7         {
 8             CheckTableCreated(query.__MainType);
 9             var sql = "";
10             query.FillParames(this);
11             sql = query.GetQuery();
12             sql = _DBAdapter.SqlFormat(sql);
13             System.Data.Common.DbDataReader reader;
14             var compileSp = query.__CompileSp;
15             var db = GetDBHelper(AccessType.Read);
16             if (!compileSp)
17             {
18                 if (query.TakeNum > 0)
19                 {
20                     db.AutoFormatWithNolock = false;
21                 }
22                 reader = db.ExecDataReader(sql);
23             }
24             else//生成储过程
25             {
26                 string sp = CompileSqlToSp(_DBAdapter.TemplateSp, sql);
27                 reader = db.RunDataReader(sp);
28             }
29             query.ExecuteTime = db.ExecuteTime;
30             ClearParame();
31             return new CallBackDataReader(reader, null, sql);
32         }

 1 protected void Application_Start(object sender, EventArgs e)
 2         {
 3             CRL.SettingConfig.UseReadSeparation = true;//启用主从读写分离
 4             //配置数据连接
 5             CRL.SettingConfig.GetDbAccess = (dbLocation) =>
 6             {
 7                 var obj = dbLocation.TagData;
 8                 if (dbLocation.ShardingDataBase != null)//按分库判断
 9                 {
10                     if (dbLocation.ShardingDataBase.Name == "db1")
11                     {
12                         return WebTest.Code.LocalSqlHelper.TestConnection;
13                     }
14                     else
15                     {
16                         return WebTest.Code.LocalSqlHelper.TestConnection2;
17                     }
18                 }
19                 else
20                 {
21                     //可按type区分数据库
22                     var type2 = dbLocation.ManageType;
23                     if (type2 == typeof(Code.MongoDBTestManage))
24                     {
25                         return Code.LocalSqlHelper.MongoDB;
26                     }
27                     if(dbLocation.AccessType== CRL.AccessType.Read)//区分读写
28                     {
29                         return Code.LocalSqlHelper.TestConnection2;
30                     }
31                     return WebTest.Code.LocalSqlHelper.TestConnection;
32                 }
33             };
34 
35         }

CRL.SettingConfig.UseReadSeparation = true;

var item = Code.ProductDataManage.Instance.QueryItem(2);
item.ProductName = "更改主库数据为" + DateTime.Now.Second;
Code.ProductDataManage.Instance.Update(item);

 var item = Code.ProductDataManage.Instance.QueryItem(2);
            Response.Write("从库数据2为" + item.ProductName);