/// <summary>
/// 用户登录
/// </summary>
/// <param name="account"></param>
/// <param name="pwd"></param>
/// <returns></returns>
public DataTable getUserLogin(string account, string pwd)
{
SqlParameterCollection spc = new SqlCommand().Parameters;
SqlDataAccess sda = new SqlDataAccess();
StringBuilder strSql = new StringBuilder("", 400);
strSql.AppendFormat($" SELECT MAS_ADMIN_ID,MAS_ADMIN_NAME,MAS_FIRST_LOGIN,MAS_ADMIN_MAIL,ISNULL(MAS_ADMIN_NICKNAME,'点读书小编') MAS_ADMIN_NICKNAME FROM {SystemDBConfig.MAS_ADMIN_ACCOUNT} ");
strSql.Append(" WHERE MAS_ADMIN_USED='0' AND MAS_ADMIN_NAME = @MAS_ADMIN_NAME and IS_VALID=1 and IS_PASS=1 ");
strSql.Append(" AND MAS_ADMIN_PWD= sys.fn_VarBinToHexStr(hashbytes('MD5', @MAS_ADMIN_PWD)) ");
spc.Add("@MAS_ADMIN_NAME", SqlDbType.VarChar, 50).Value = account;
spc.Add("@MAS_ADMIN_PWD", SqlDbType.VarChar, 34).Value = pwd;
DataTable dt = sda.ExecSqlReader(strSql.ToString(), spc).Tables[0];
return(dt);
}