Update demo

Src/Asp.Net/MySqlTest/UserTestCases/Cases/DemoD_DbFirst.cs

@@ -0,0 +1,75 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest
+{
+    public class DemoD_DbFirst
+    {
+        public static void Init()
+        {
+            Console.WriteLine();
+            Console.WriteLine("#### DbFirst Start ####");
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
+            {
+                DbType = DbType.MySql,
+                ConnectionString = Config.ConnectionString,
+                InitKeyType = InitKeyType.Attribute,
+                IsAutoCloseConnection = true
+            });
+
+            db.DbFirst.CreateClassFile("c:\\Demo\\1", "Models");
+
+
+            db.DbFirst.Where("Student").CreateClassFile("c:\\Demo\\2", "Models");
+
+
+            db.DbFirst.Where(it => it.ToLower().StartsWith("view")).CreateClassFile("c:\\Demo\\3", "Models");
+
+
+            db.DbFirst.Where(it => it.ToLower().StartsWith("view")).CreateClassFile("c:\\Demo\\4", "Models");
+
+
+            db.DbFirst.IsCreateAttribute().CreateClassFile("c:\\Demo\\5", "Models");
+
+
+            db.DbFirst.IsCreateDefaultValue().CreateClassFile("c:\\Demo\\6", "Demo.Models");
+
+
+            db.DbFirst. SettingClassTemplate(old => { return old;})
+                       .SettingNamespaceTemplate(old =>{ return old;})
+                       .SettingPropertyDescriptionTemplate(old =>
+                        {
+                            return @"           /// <summary>
+                          /// Desc_New:{PropertyDescription}
+                          /// Default_New:{DefaultValue}
+                                /// Nullable_New:{IsNullable}
+                                /// </summary>";
+                        })
+                        .SettingPropertyTemplate(old =>{return old;})
+                        .SettingConstructorTemplate(old =>{return old; })
+                   .CreateClassFile("c:\\Demo\\7");
+
+
+
+            foreach (var item in db.DbMaintenance.GetTableInfoList())
+            {
+                string entityName = item.Name.ToUpper();/*Format class name*/
+                db.MappingTables.Add(entityName , item.Name);
+                foreach (var col in db.DbMaintenance.GetColumnInfosByTableName(item.Name))
+                {
+                    db.MappingColumns.Add(col.DbColumnName.ToUpper() /*Format class property name*/, col.DbColumnName, entityName);
+                }
+            }
+            db.DbFirst.IsCreateAttribute().CreateClassFile("c:\\Demo\\8", "Models");
+
+
+            //Use Razor Template
+            //db.DbFirst.UseRazorAnalysis(RazorFirst.DefaultRazorClassTemplate).CreateClassFile("");
+
+            Console.WriteLine("#### DbFirst End ####");
+        }
+    }
+}