提交.Net6版本

Yi.Framework.Net6/Yi.Framework.Model/DataContext.cs

@@ -0,0 +1,55 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Yi.Framework.Common.Const;
+using Yi.Framework.Common.IOCOptions;
+using Yi.Framework.Model.Models;
+
+namespace Yi.Framework.Model
+{
+    //Add-Migration yi-1
+    //Update-Database yi-1
+    public partial class DataContext : DbContext
+    {
+        //private readonly IOptionsMonitor<MySqlConnOptions> _optionsMonitor;
+        public static string _connStr;
+        public static string DbSelect = DbConst.Mysql;
+        //public DataContext(IOptionsMonitor<MySqlConnOptions> optionsMonitor)
+        //{
+        //	_optionsMonitor = optionsMonitor;
+        //	_connStr = _optionsMonitor.CurrentValue.WriteUrl;
+        //}
+        public DbContext ToWriteOrRead(string connstr)
+        {
+            _connStr = connstr;
+            return this;
+        }
+
+
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (!optionsBuilder.IsConfigured)
+            {
+                switch (DbSelect)
+                {
+                    case DbConst.Mysql:
+                        var serverVersion = new MySqlServerVersion(new Version(8, 0, 21));
+                        optionsBuilder.UseMySql(_connStr, serverVersion); break;
+                    case DbConst.Sqlite:
+                        optionsBuilder.UseSqlite(_connStr); break;
+                    case DbConst.Sqlserver:
+                        optionsBuilder.UseSqlServer(_connStr);break;
+                    case DbConst.Oracle:
+                        optionsBuilder.UseOracle(_connStr);break;
+                    default:
+                        Console.WriteLine("错误！请确保你选择了正确的数据库！");break;
+                }
+            }
+        }
+
+    }
+}