connect_error) { die("连接失败: " . $conn->connect_error); } class Verify { public $code = '00'; public $url = '00'; } $verify = new Verify(); $sql = "SELECT * FROM `2code_code` WHERE id = '" . $id . "'"; $result = $conn->query($sql); if (mysqli_num_rows($result) > 0) { while ($row = mysqli_fetch_assoc($result)) { $k = $row["content"]; $v=$row["num"]+1; $sql = "UPDATE `2code_code` SET `num` = '".$v."' WHERE `2code_code`.`id` = '".$id."'"; $result2 = $conn->query($sql); $verify->url = $k; $verify->code = 1; } } else { $verify->code = 0; } echo json_encode($verify); mysqli_close($conn); ?>