public (bool, ESysUserInfo) Login(string UserName, string Pwd)
{
string sql = "select UserID,UserName,Pwd,Mobile,OpenId,Status from Sys_UserInfo where UserName=@UserName and Pwd=@Pwd";
ESysUserInfo user = _context.QueryFirstOrDefault <ESysUserInfo>(sql, new { UserName = UserName, Pwd = Pwd });
return(user != null, user);
}