/// <summary>
///增加
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public T AddEntity(T entity)
{
Db.Set <T>().Add(entity);
Db.SaveChanges();
return(entity);
}
//添加用户信息
public T Addentity(T entry)
{
T Userinfo = db.Set <T>().Add(entry);
return(entry);
}