1、先导入四个包
Microsoft.EntityFrameworkCore
Microsoft.EntityFrameworkCore.Relational
Microsoft.EntityFrameworkCore.SqlServer
Microsoft.EntityFrameworkCore.Tools
2、在程序包管理控制台执行
Scaffold-DbContext "server=.;Integrated Security=true;database=DBStu" Microsoft.EntityFrameworkCore.SqlServer -OutPutDir Models
Models是你实体类安放的位置
3、在appsettings.json中放入
"ConnectionStrings": {
"DbConnectionString": "Data Source = .;Initial Catalog = DBStu;Integrated Security=true;"
}
Initial Catalog：数据库名称
Data Source：数据源
4、在Program.cs中配置
using Microsoft.EntityFrameworkCore;
builder.Services.AddDbContext<DBStuContext>(option =>
{
string DbConnectionString = builder.Configuration.GetConnectionString("DbConnectionString");
option.UseSqlServer(DbConnectionString);
});
DBStuContext：是你上下文类的名称
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