配置文件开关，数据库读写分离

Yi.Framework/Yi.Framework.Common/Const/DbConst.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yi.Framework.Common.Const
+{
+  public  class DbConst
+    {
+        public const string Mysql = "Mysql";
+        public const string Sqlite = "Sqlite";
+        public const string Sqlserver = "Sqlserver";
+        public const string Oracle = "Oracle";
+    }
+}

Yi.Framework/Yi.Framework.Common/IOCOptions/MySqlConnOptions.cs

@@ -1,9 +1,11 @@
 using System;
+using System.Collections.Generic;
 
 namespace Yi.Framework.Common.IOCOptions
 {
-	public class MySqlConnOptions
+	public class DbConnOptions
 	{
-		public string Url { get; set; }
+		public string WriteUrl { get; set; }
+		public List<string> ReadUrl { get; set; }
 	}
 }

Yi.Framework/Yi.Framework.Common/IOCOptions/SqliteOptions.cs

@@ -8,6 +8,7 @@ namespace Yi.Framework.Common.IOCOptions
 {
     public class SqliteOptions
     {
-        public string Url { get; set; }
+        public string WriteUrl { get; set; }
+        public List<string> ReadUrl { get; set; }
     }
 }

Yi.Framework/Yi.Framework.Common/Models/Enum/WriteAndReadEnum.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Yi.Framework.Common.Enum
+{
+    public enum WriteAndReadEnum
+    {
+        Write,  //主库操作
+        Read  //从库操作
+    }
+}