public Admin Login(string adminName, string adminPass)
{
Admin admin = db.Queryable <Admin>().First(a => a.AdminName == adminName);
if (admin != null)
{
string password = MD5Encrypt.GetStrMD5(DESDEncrypt.Encrypt(adminPass));
if (password == admin.AdminPass.ToString())
{
return(admin);
}
else
{
throw new Exception("密码不正确，请重新输入");
}
}
else
{
throw new Exception("账户不存在，请重新输入");
}
}