namespace app\service\controller;
use think\controller;

class CheckUrl extends Controller{

  const TOKEN = 'API'; // 前后端統(tǒng)一的口令

  //響應(yīng)前臺(tái)的請(qǐng)求

  public function respond(){

    //驗(yàn)證身份

    $timeStamp = $_GET['t']; // 時(shí)間戳

    $randomStr = $_GET['r']; // 隨機(jī)字符串

    $signature = $_GET['s']; //簽名

    $str = $this -> arithmetic($timeStamp, $randomStr);

    if($str != $signature){

      return ['status' => 0, 'msg' => '驗(yàn)證失敗', 'data' => []];

    }

  }

  /**

   * @param $timeStamp 時(shí)間戳

   * @param $randomStr 隨機(jī)字符串

   * @return string 返回簽名

   */

  public function arithmetic($timeStamp, $randomStr){
		
		$arr = [
			'timeStamp' => $timeStamp,
			'randomStr' => $randomStr,
			'token' => self::TOKEN

		];

    //按照首字母大小寫順序排序

    sort($arr,SORT_STRING);

    //拼接成字符串

    $str = implode($arr);

    //進(jìn)行加密

    $signature = sha1($str);

    $signature = md5($signature);

    //轉(zhuǎn)換成大寫

    $signature = strtoupper($signature);

    return $signature;

  }

}

<form action="do.php" method="POST">

<?php $module=mt_rand(100000,999999);?>

 <input type="text" name="sec_name" value=""/> // 實(shí)際要傳遞的值

 <input type="hidden" name="module" value="<?php echo $module;?>"/>

 <input type="hidden" name="timestamp" value="<?php echo time();?>"/>

 <input type="hidden" name="token" value="<?php echo md5($module.'#$@%!^*'.time());?>"/>

</form>

$module = $_POST['module'];

$timestamp = $_POST['timestamp'];

$token = md5($module.'#$@%!^*'.$timestamp);

if($token != $_POST['token']){

return ['status' => 0, 'msg' => '非法數(shù)據(jù)來源', 'data' => []];

}

$sec_name=$_POST['sec_name'];

//PHP數(shù)據(jù)處理.....