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RiverUp · May 13, 2022 · 4a5b6f7 · 4a5b6f7
1 parent b9ba6b1
commit 4a5b6f7
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Showing 3 changed files with 8 additions and 9 deletions.
diff --git a/Homework12/OrderApi/OrderApi/Controllers/ValuesController.cs b/Homework12/OrderApi/OrderApi/Controllers/ValuesController.cs
@@ -103,7 +103,7 @@ public ActionResult<Order> changeOrder(long id, Order order)
             }
             try
             {
-                _orderContext.Entry(order).State = (System.Data.Entity.EntityState)EntityState.Modified;
+                _orderContext.Entry(order).State = EntityState.Modified;
                 _orderContext.SaveChanges();
             }
             catch (Exception e)

diff --git a/Homework12/OrderApi/OrderApi/Startup.cs b/Homework12/OrderApi/OrderApi/Startup.cs
@@ -37,8 +37,7 @@ public void ConfigureServices(IServiceCollection services)
             services.AddDbContextPool<OrderContext>(options=> options
                 // 连接字符串"todoDatabase" 可以在appsetting.json中设置
                 .UseMySql(Configuration.GetConnectionString("orderDataBase"),
-                    mySqlOptions => mySqlOptions
-                    .ServerVersion(new Version(5, 7, 30), ServerType.MySql)
+                  MySqlServerVersion.LatestSupportedServerVersion
             ));
             services.AddControllers();
         }

diff --git a/Homework12/OrderApi/OrderApi/models/OrderContext.cs b/Homework12/OrderApi/OrderApi/models/OrderContext.cs
@@ -1,19 +1,19 @@
-using MySql.Data.EntityFramework;
+
 using System;
 using System.Collections.Generic;
-using System.Data.Entity;
 using System.Linq;
 using System.Text;
+using Microsoft.EntityFrameworkCore;
 
 namespace OrderApi.models
 {
-    [DbConfigurationType(typeof(MySqlEFConfiguration))]
     public class OrderContext : DbContext
     {
-        public OrderContext() : base("OrderDataBase")
+        public OrderContext(DbContextOptions<OrderContext> options)
+           : base(options)
         {
-            Database.SetInitializer(
-            new DropCreateDatabaseIfModelChanges<OrderContext>());
+            this.Database.EnsureCreated(); //自动建库建表
+
         }
         public  DbSet<Order> Orders { get; set; }
         public  DbSet<OrderDetail> Details { get; set; }