YESWEB业务模块中指定系统表

using Microsoft.EntityFrameworkCore;
using System;
using System.Linq;
using YESWEB.Core;
using YESWEB.Core.DBMerge;

namespace YESWEB.Module.DengSystemDB
{
    public class DBMergeProvider : IDBMerge
    {
        public EnumDBType DBType => EnumDBType.System;

        public void DoDBMigrate(ConnectionStrItem connItem)
        {
            using (var defaultEntities = new EntitiesContext(connItem))
            {
                /*
                不过数据库model有改动的话需要先执行下 add-migrate xxx 命令，然后每次运行程序GetPendingMigrations()就会检测有无更新，有的话自动迁移。
               GetPendingMigrations方法官方文档说明  https://docs.microsoft.com/zh-cn/dotnet/api/microsoft.entityframeworkcore.relationaldatabasefacadeextensions.getpendingmigrations?view=efcore-2.1
                */
                if (defaultEntities.Database.GetPendingMigrations().Any())
                {
                    defaultEntities.Database.Migrate();
                }
            }
        }
    }
}