Add demo

Src/Asp.Net/SqlServerTest/Program.cs

@@ -25,6 +25,7 @@ namespace OrmTest
             _a4_SplitTable.Init();
             _a5_GridSave.Init();
             _a6_SqlPage.Init();
+            _a7_JsonType.Init();
         }
     }
 

Src/Asp.Net/SqlServerTest/SqlServerTest.csproj

@@ -75,6 +75,7 @@
     <Compile Include="a4_SplitTable.cs" />
     <Compile Include="a5_GridSave.cs" />
     <Compile Include="a6_SqlPage.cs" />
+    <Compile Include="a7_JsonType.cs" />
     <Compile Include="UnitTest\Description.cs" />
     <Compile Include="3_EasyQuery.cs" />
     <Compile Include="7_GroupQuery.cs" />

Src/Asp.Net/SqlServerTest/a7_JsonType.cs

@@ -0,0 +1,71 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+
+namespace OrmTest
+{
+    internal class _a7_JsonType
+    {
+        /// <summary>
+        /// Demonstrates JSON operations with SqlSugar.
+        /// 展示了在 SqlSugar 中进行 JSON 操作的示例。
+        /// </summary>
+        internal static void Init()
+        {
+            // Get a new database connection object
+            // 获取一个新的数据库连接对象
+            var db = DbHelper.GetNewDb();
+
+            // Create table
+            // 创建表
+            db.CodeFirst.InitTables<UnitJsonTest>();
+
+            // Insert a record with a JSON property
+            // 插入一条包含 JSON 属性的记录
+            db.Insertable(new UnitJsonTest()
+            {
+                Name = "json1",
+                Order = new Order { Id = 1, Name = "order1" }
+            }).ExecuteCommand();
+
+            // Query all records from the table
+            // 查询表中的所有记录
+            var list = db.Queryable<UnitJsonTest>().ToList();
+
+            //Sqlfunc.JsonXXX
+            var list2=db.Queryable<UnitJsonTest>()
+                .Select(it => new
+                {
+                    id=it.Id,
+                    jsonname=SqlFunc.JsonField(it.Order,"Name")
+                })
+                .ToList();
+        }
+
+        /// <summary>
+        /// Represents a class with a JSON property.
+        /// 表示一个包含 JSON 属性的类。
+        /// </summary>
+        [SugarTable("UnitJsonTest_a7")]
+        public class UnitJsonTest
+        {
+            [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+            public int Id { get; set; }
+
+            [SugarColumn(IsJson = true)]
+            public Order Order { get; set; }
+
+            public string Name { get; set; }
+        }
+
+        /// <summary>
+        /// Represents an order entity.
+        /// 表示订单实体。
+        /// </summary>
+        public class Order
+        {
+            public int Id { get; set; }
+            public string Name { get; set; }
+        }
+    }
+}