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微信公众平台开发，外部调用接口传参，然后把参数以图文形式回复

WBOY原创: 2016-06-06 20:15:271281浏览

微信公众平台开发，外部调用接口以URL形式传参，然后写用户关注后以图文形式回复，图片的url就是传过来的参数
。但是我微信关注后没有获得参数。

<code>http://xxx.duapp.com/wechat/api.php?id=http://203.111.111.111:1212/img/635932895447623934.png  

代码如下：


<?php /**</code></code>

wechat php test
*/
//define your token

$imgurl = $_GET['id'];

define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->responseMsg();

wechatCallbackapiTest
{

<code>   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)){
               
                 $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
               $fromUsername = $postObj->FromUserName;
               $toUsername = $postObj->ToUserName;
               $keyword = trim($postObj->Content);
               $time = time();
               $imgurl  = $_GET['id'];  
               $textTpl = "<xml>
                           <tousername></tousername>
                           <fromusername></fromusername>
                           <createtime>%s</createtime>
                           <msgtype></msgtype>
                           <content></content>
                           <funcflag>0</funcflag>
                           </xml>";             
               $ev = $postObj->Event;
               if ($ev == "subscribe")
               {

                   $PicUrl = $imgurl;

                   $Url    = $imgurl;

                   $textTpl = "<xml>
                               <tousername></tousername>
                               <fromusername></fromusername>
                               <createtime>%s</createtime>
                               <msgtype></msgtype>
                               <articlecount>1</articlecount>
                               <articles>
                               <item>
                               <title></title> 
                               <description></description>
                               <picurl></picurl>
                               <url></url>
                               </item>
                               <item>
                               </item></articles>
                               </xml> ";     
</code>

<code>               $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time);
                  echo $resultStr;
               
               }
               
               
               
               if(!empty( $keyword ))
               {   

                     $msgType = "text";
                   switch ($keyword)
                   {
                   case "1";
                   $contentStr = "公司简介!";
                   break;
                   case "2";
                   $contentStr = "最新优惠!";
                   break;
                   case "3";
                   $contentStr = "图片链接如下:".$_GET['id'];
                   break;
                   default;
                   $contentStr = "欢迎光临!";
                               
                   
                   }
                   
                   $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                   echo $resultStr;
               }else{
                   echo "Input something...";
               }

       }else {
           echo "";
           exit;
       }
   }
       
   private function checkSignature()
   {
       $signature = $_GET["signature"];
       $timestamp = $_GET["timestamp"];
       $nonce = $_GET["nonce"];    
               
       $token = TOKEN;
       $tmpArr = array($token, $timestamp, $nonce);
       sort($tmpArr);
       $tmpStr = implode( $tmpArr );
       $tmpStr = sha1( $tmpStr );
       
       if( $tmpStr == $signature ){
           return true;
       }else{
           return false;
       }
   }</code>

}

回复内容：

微信公众平台开发，外部调用接口以URL形式传参，然后写用户关注后以图文形式回复，图片的url就是传过来的参数
。但是我微信关注后没有获得参数。

<code>http://xxx.duapp.com/wechat/api.php?id=http://203.111.111.111:1212/img/635932895447623934.png  

代码如下：


<?php /**</code></code>

wechat php test
*/
//define your token

$imgurl = $_GET['id'];

define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->responseMsg();

wechatCallbackapiTest
{

<code>   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)){
               
                 $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
               $fromUsername = $postObj->FromUserName;
               $toUsername = $postObj->ToUserName;
               $keyword = trim($postObj->Content);
               $time = time();
               $imgurl  = $_GET['id'];  
               $textTpl = "<xml>
                           <tousername></tousername>
                           <fromusername></fromusername>
                           <createtime>%s</createtime>
                           <msgtype></msgtype>
                           <content></content>
                           <funcflag>0</funcflag>
                           </xml>";             
               $ev = $postObj->Event;
               if ($ev == "subscribe")
               {

                   $PicUrl = $imgurl;

                   $Url    = $imgurl;

                   $textTpl = "<xml>
                               <tousername></tousername>
                               <fromusername></fromusername>
                               <createtime>%s</createtime>
                               <msgtype></msgtype>
                               <articlecount>1</articlecount>
                               <articles>
                               <item>
                               <title></title> 
                               <description></description>
                               <picurl></picurl>
                               <url></url>
                               </item>
                               <item>
                               </item></articles>
                               </xml> ";     
</code>

<code>               $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time);
                  echo $resultStr;
               
               }
               
               
               
               if(!empty( $keyword ))
               {   

                     $msgType = "text";
                   switch ($keyword)
                   {
                   case "1";
                   $contentStr = "公司简介!";
                   break;
                   case "2";
                   $contentStr = "最新优惠!";
                   break;
                   case "3";
                   $contentStr = "图片链接如下:".$_GET['id'];
                   break;
                   default;
                   $contentStr = "欢迎光临!";
                               
                   
                   }
                   
                   $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                   echo $resultStr;
               }else{
                   echo "Input something...";
               }

       }else {
           echo "";
           exit;
       }
   }
       
   private function checkSignature()
   {
       $signature = $_GET["signature"];
       $timestamp = $_GET["timestamp"];
       $nonce = $_GET["nonce"];    
               
       $token = TOKEN;
       $tmpArr = array($token, $timestamp, $nonce);
       sort($tmpArr);
       $tmpStr = implode( $tmpArr );
       $tmpStr = sha1( $tmpStr );
       
       if( $tmpStr == $signature ){
           return true;
       }else{
           return false;
       }
   }</code>

}

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微信公众平台开发，外部调用接口传参，然后把参数以图文形式回复

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