public bool CheckUser(int userId)
{
T_UserModel model = new T_UserDAL().Get(userId);
if (model == null || model.UserId == 0)
{
return(false);
}
else
{
return(true);
}
}
public void ChangePassword(int id, string oldpwd, string newpwd)
{
T_UserDAL userDAL = new T_UserDAL();
T_User user = userDAL.Get(id);
if (user == null)
{
throw new Exception("不存在的UserId");
}
if (GetMD5(oldpwd) != user.Password)
{
throw new Exception("旧密码错误");
}
user.Password = GetMD5(newpwd);
userDAL.Update(user);
}
// BLL可以有负责的判断操作
public bool ValidateUser(string username, string password)
{
T_UserDAL dal = new T_UserDAL();
T_User user = dal.GetByUserName(username);
if (user == null)
{
// 不要在BLL中MessageBox
return(false);
}
if (GetMD5(password) != user.Password)
{
return(false);
}
else
{
return(true);
}
}
