Add FindInSet_Handler Only For MySQL

src/Chloe.MySql/MethodHandlers/FindInSet_Handler.cs

@@ -0,0 +1,35 @@
+#region 
+/*----------------------------------------------------------------
+      Copyright (C) 2024   Sheldon
+
+      文件名：ZSiteConfigModel
+      文件功能描述：
+
+      创建标识：Sheldon - 2024/04/11 11:19
+
+      修改标识：Sheldon - 2024/04/11 11:19
+      修改描述：[v1.0.1] 添加“xx”功能： ()
+
+      修改标识：LG - 2024/04/11 11:19
+      修改描述：处理偶然出现的 xxx 问题
+  ----------------------------------------------------------------*/
+#endregion
+
+using Chloe.DbExpressions;
+using Chloe.RDBMS;
+using Chloe.RDBMS.MethodHandlers;
+
+namespace Chloe.MySql.MethodHandlers
+{
+    class FindInSet_Handler: FindInSet_HandlerBase
+    {
+        public override void Process(DbMethodCallExpression exp, SqlGeneratorBase generator)
+        {
+            generator.SqlBuilder.Append(" FIND_IN_SET(");
+            exp.Arguments[1].Accept(generator);
+            generator.SqlBuilder.Append(",");
+            exp.Arguments[0].Accept(generator);
+            generator.SqlBuilder.Append(")");
+        }
+    }
+}

src/Chloe/Extensions/StringExtension.cs

@@ -0,0 +1,33 @@
+#region 
+/*----------------------------------------------------------------
+      Copyright (C) 2024   Sheldon
+
+      文件名：ZSiteConfigModel
+      文件功能描述：
+
+      创建标识：Sheldon - 2024/04/11 11:19
+
+      修改标识：Sheldon - 2024/04/11 11:19
+      修改描述：[v1.0.1] 添加“xx”功能： ()
+
+      修改标识：LG - 2024/04/11 11:19
+      修改描述：处理偶然出现的 xxx 问题
+  ----------------------------------------------------------------*/
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Chloe.Extensions
+{
+    public static class StringExtension
+    {
+        public static bool FindInSet(this string str, string value)
+        {
+            return str.Split(',').Contains(value);
+        }
+    }
+}

src/Chloe/RDBMS/MethodHandlers/FindInSet_HandlerBase.cs

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+using Chloe.Annotations;
+using Chloe.DbExpressions;
+using System.Collections;
+using System.Data;
+using System.Reflection;
+
+namespace Chloe.RDBMS.MethodHandlers
+{
+    public  class FindInSet_HandlerBase : MethodHandlerBase
+    {
+
+        public override bool CanProcess(DbMethodCallExpression exp) => exp.Method.IsDefined(typeof(DbFunctionAttribute));
+
+
+    }
+}