private bool login()
{
var tempList = BaseAdapter.getAll <Tb_code>();
if (tempList.Count() == 0)
{
return(false);
}
HttpWorker.getUser(txt_username.Text.Trim());//模拟用户获取
//HttpWorker.login(txt_username.Text.Trim(), txt_password.Text.Trim());
//HttpWorker.getUserList();
return(true);
}