Add demo

Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Main.cs

@@ -33,6 +33,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            Unitsdfaafa.Init();
             Unitadfayyadfa.Init();
             Unitsdfa1231.Init();
             Unitasxdfaaa.Init();

Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Unitsdfaafa.cs

@@ -0,0 +1,117 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic; 
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    /// <summary>
+    /// Class for demonstrating CodeFirst initialization operations
+    /// 用于展示 CodeFirst 初始化操作的类
+    /// </summary>
+    public class Unitsdfaafa
+    {
+      
+        public static void Init()
+        {
+            // Get a new database instance
+            // 获取新的数据库实例
+            var db = DbHelper.GetNewDb();
+
+            // Create the database if it doesn't exist
+            // 如果数据库不存在，则创建数据库
+            db.DbMaintenance.CreateDatabase();
+
+            // Initialize tables based on UserInfo001 entity class
+            // 根据 UserInfo001 实体类初始化表
+            db.CodeFirst.InitTables<UserInfo001>();
+
+            db.DbMaintenance.TruncateTable<UserInfo001>();
+            //插入
+            var id=db.Insertable(new UserInfo001()
+            {
+                Context = "Context",
+                Email="dfafa@qq.com",
+                Price=Convert.ToDecimal(1.1),
+                UserName="admin",
+                RegistrationDate=DateTime.Now,
+
+            }).ExecuteReturnIdentity();
+
+            //Query
+            //查询
+            var userInfo = db.Queryable<object>()
+                .AsType(typeof(UserInfo001))
+                .Select<IUserInfo001>().ToList();
+
+            var userInfo2 = db.Queryable<object>()
+               .AsType(typeof(UserInfo001))
+               .Select<IUserInfo001>().ToListAsync().GetAwaiter().GetResult();
+
+            //Update 
+
+        }
+        public interface IUserInfo001
+        {
+            string Context { get; set; }
+            string Email { get; set; }
+            decimal Price { get; set; }
+            DateTime? RegistrationDate { get; set; }
+            int UserId { get; set; }
+            string UserName { get; set; }
+        }
+        /// <summary>
+        /// User information entity class
+        /// 用户信息实体类
+        /// </summary> 
+        [SugarTable("UnitUserInfo001")]
+        public class UserInfo001 : IUserInfo001
+        {
+            /// <summary>
+            /// User ID (Primary Key)
+            /// 用户ID（主键）
+            /// </summary>
+            [SugarColumn(IsIdentity = true, IsPrimaryKey = true)]
+            public int UserId { get; set; }
+
+            /// <summary>
+            /// User name
+            /// 用户名
+            /// </summary>
+            [SugarColumn(Length = 50, IsNullable = false)]
+            public string UserName { get; set; }
+
+            /// <summary>
+            /// User email
+            /// 用户邮箱
+            /// </summary>
+            [SugarColumn(IsNullable = true)]
+            public string Email { get; set; }
+
+
+            /// <summary>
+            /// Product price
+            /// 产品价格
+            /// </summary> 
+            public decimal Price { get; set; }
+
+            /// <summary>
+            /// User context
+            /// 用户内容
+            /// </summary>
+            [SugarColumn(ColumnDataType = StaticConfig.CodeFirst_BigString, IsNullable = true)]
+            public string Context { get; set; }
+
+            /// <summary>
+            /// User registration date
+            /// 用户注册日期
+            /// </summary>
+            [SugarColumn(IsNullable = true)]
+            public DateTime? RegistrationDate { get; set; }
+        }
+
+
+    }
+}