1, "info" => "用户未登录")); // exit ; //} $run_id = isset($_POST['run_id'])?$_POST['run_id']:'21779'; $ifback = isset($_POST['ifback'])?$_POST['ifback']:'0'; $pdo = conn(); $sql = "select max_count,saled_count " . " from run_main " . " where run_id = ".$run_id; $result = $pdo -> query($sql); $return = $result->fetchAll(PDO::FETCH_ASSOC); var_dump($return);die; if($ifback){ }else{ }