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微信开发模式-微信接入验证代码中,<?php?>是什么意思?

时间:2021-07-01 10:21:17 帮助过:10人阅读

代码如下:

    • wechat php test
      */

    //define your token
    define("TOKEN", "weixin");
    $wechatObj = new wechatCallbackapiTest();
    $wechatObj->valid();

    1. wechatCallbackapiTest
      {

         public function valid()
         {
             $echoStr = $_GET["echostr"];
      
             //valid signature , option
             if($this->checkSignature()){
                 echo $echoStr;
                 exit;
             }
         }
      
         public function responseMsg()
         {
             //get post data, May be due to the different environments
             $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
      
               //extract post data
             if (!empty($postStr)){
                     /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
                        the best way is to check the validity of xml by yourself */
                     libxml_disable_entity_loader(true);
                       $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
                     $fromUsername = $postObj->FromUserName;
                     $toUsername = $postObj->ToUserName;
                     $keyword = trim($postObj->Content);
                     $time = time();
                     $textTpl = "
                                 
                                 
                                 %s
                                 
                                 
                                 0
                                 ";             
                     if(!empty( $keyword ))
                     {
                           $msgType = "text";
                         $contentStr = "Welcome to wechat world!";
                         $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                         echo $resultStr;
                     }else{
                         echo "Input something...";
                     }
      
             }else {
                 echo "";
                 exit;
             }
         }
             
         private function checkSignature()
         {
             // you must define TOKEN by yourself
             if (!defined("TOKEN")) {
                 throw new Exception('TOKEN is not defined!');
             }
             
             $signature = $_GET["signature"];
             $timestamp = $_GET["timestamp"];
             $nonce = $_GET["nonce"];
                     
             $token = TOKEN;
             $tmpArr = array($token, $timestamp, $nonce);
             // use SORT_STRING rule
             sort($tmpArr, SORT_STRING);
             $tmpStr = implode( $tmpArr );
             $tmpStr = sha1( $tmpStr );
             
             if( $tmpStr == $signature ){
                 return true;
             }else{
                 return false;
             }
         }

      }

      ?>

    回复内容:

    代码如下:

    • wechat php test
      */

    //define your token
    define("TOKEN", "weixin");
    $wechatObj = new wechatCallbackapiTest();
    $wechatObj->valid();

    1. wechatCallbackapiTest
      {

         public function valid()
         {
             $echoStr = $_GET["echostr"];
      
             //valid signature , option
             if($this->checkSignature()){
                 echo $echoStr;
                 exit;
             }
         }
      
         public function responseMsg()
         {
             //get post data, May be due to the different environments
             $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
      
               //extract post data
             if (!empty($postStr)){
                     /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
                        the best way is to check the validity of xml by yourself */
                     libxml_disable_entity_loader(true);
                       $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
                     $fromUsername = $postObj->FromUserName;
                     $toUsername = $postObj->ToUserName;
                     $keyword = trim($postObj->Content);
                     $time = time();
                     $textTpl = "
                                 
                                 
                                 %s
                                 
                                 
                                 0
                                 ";             
                     if(!empty( $keyword ))
                     {
                           $msgType = "text";
                         $contentStr = "Welcome to wechat world!";
                         $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                         echo $resultStr;
                     }else{
                         echo "Input something...";
                     }
      
             }else {
                 echo "";
                 exit;
             }
         }
             
         private function checkSignature()
         {
             // you must define TOKEN by yourself
             if (!defined("TOKEN")) {
                 throw new Exception('TOKEN is not defined!');
             }
             
             $signature = $_GET["signature"];
             $timestamp = $_GET["timestamp"];
             $nonce = $_GET["nonce"];
                     
             $token = TOKEN;
             $tmpArr = array($token, $timestamp, $nonce);
             // use SORT_STRING rule
             sort($tmpArr, SORT_STRING);
             $tmpStr = implode( $tmpArr );
             $tmpStr = sha1( $tmpStr );
             
             if( $tmpStr == $signature ){
                 return true;
             }else{
                 return false;
             }
         }

      }

      ?>

    帅哥||美女

    看到你的疑惑,我也感觉很困惑,我有一个不成熟的小建议...在了解并且准备使用一门语言之前,大致浏览下它的官方手册。

    点击此处查看手册链接

    多看看手册,对使用PHP处理事务很有帮助的,个人认为,使用任何语言的时候都要先看一遍官方手册才行啊。

    不知道是不是我对你的问题理解有问题,但从你问题和代码来看,这是代表这是PHP脚本

    ?> <<--php代码结束

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