public DataSet checkUser(string username, string pwd, string keys)
{
DataSet ds = new DataSet();
try
{
username = commons.RequestSafeString(username, 50);
pwd = commons.RequestSafeString(pwd, 50);
pwd = commons.GetMD5(pwd);//加密
string timenow = DateTime.Now.Year.ToString() + "-" + DateTime.Now.Month.ToString() + "-" + DateTime.Now.Day.ToString() + " 00:00:00";
string month = DateTime.Now.Month.ToString();
if (month.Length == 1)
{
month = "0" + month;
}
string days = DateTime.Now.Day.ToString();
if (days.Length == 1)
{
days = "0" + days;
}
string decryptTime = DateTime.Now.Year.ToString() + month + days;
string keysnow = commons.Encrypt(timenow, decryptTime);
//string keysnow = keys;
if (keys == keysnow)
{
ds = usersBll.GetList("USERNAME='******' and PASSWORD='******' and DELFLAG=0");
}
else
{
ds = null;
}
}
catch
{
ds = null;
}
return(ds);
}
