Update demo

Src/Asp.Net/SqlServerTest/2_DbFirst.cs

@@ -9,41 +9,70 @@ namespace OrmTest
 {
     internal class _2_DbFirst
     {
+        /// <summary>
+        /// 初始化方法，包含各种DbFirst操作的演示
+        /// Initialization method containing demonstrations of various DbFirst operations
+        /// </summary>
         public static void Init()
         {
             var db = DbHelper.GetNewDb();
 
-            //生成干净的类
+            // 生成干净的实体类文件
+            // Generate clean entity class files
             Demo1(db);
 
-            //生成SqlSugar类
+            // 生成带有SqlSugar特性的实体类文件
+            // Generate entity class files with SqlSugar attributes
             Demo2(db);
 
-            //支持string?
+            // 支持字符串类型的Nullable特性
+            // Support String Nullable attribute
             Demo3(db);
 
-            //格式化类名属性名文件名
+            // 格式化类名、属性名和文件名
+            // Format class names, property names, and file names
             Demo4(db);
 
-            //修改模版 
+            // 条件过滤生成实体类文件
+            // Generate entity class files with condition filtering
             Demo5(db);
 
-            //条件过滤
+            // 修改模版生成实体类文件（禁用IsCreateAttribute，避免冲突）
+            // Generate entity class files with modified templates (disable IsCreateAttribute to avoid conflicts)
             Demo6(db);
         }
+
+        /// <summary>
+        /// 生成干净的实体类文件
+        /// Generate clean entity class files
+        /// </summary>
         private static void Demo1(SqlSugarClient db)
         {
             db.DbFirst.CreateClassFile("c:\\Demo\\1", "Models");
         }
+
+        /// <summary>
+        /// 生成带有SqlSugar特性的实体类文件
+        /// Generate entity class files with SqlSugar attributes
+        /// </summary>
         private static void Demo2(SqlSugarClient db)
         {
             db.DbFirst.IsCreateAttribute().CreateClassFile("c:\\Demo\\2", "Models");
         }
+
+        /// <summary>
+        /// 支持字符串类型的Nullable特性
+        /// Support String Nullable attribute
+        /// </summary>
         private static void Demo3(SqlSugarClient db)
         {
             db.DbFirst.IsCreateAttribute().StringNullable().CreateClassFile("c:\\Demo\\3", "Models");
         }
 
+        /// <summary>
+        /// 格式化类名、属性名和文件名
+        /// Format class names, property names, and file names
+        /// </summary>
         private static void Demo4(SqlSugarClient db)
         {
             db.DbFirst
@@ -54,14 +83,21 @@ namespace OrmTest
                 .CreateClassFile("c:\\Demo\\4", "Models");
         }
 
+        /// <summary>
+        /// 条件过滤生成实体类文件
+        /// Generate entity class files with condition filtering
+        /// </summary>
         private static void Demo5(SqlSugarClient db)
         {
             db.DbFirst.IsCreateAttribute().Where(it => it.ToLower() == "userinfo001").CreateClassFile("c:\\Demo\\5", "Models");
         }
 
+        /// <summary>
+        /// 修改模版生成实体类文件（禁用IsCreateAttribute，避免冲突）
+        /// Generate entity class files with modified templates (disable IsCreateAttribute to avoid conflicts)
+        /// </summary>
         private static void Demo6(SqlSugarClient db)
         {
-            //禁用IsCreateAttribute不然会有冲突
             db.DbFirst
                // 类
                .SettingClassTemplate(old => { return old;/* 修改old值替换 */ })
@@ -97,3 +133,4 @@ namespace OrmTest
         }
     }
 }
+