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 { }