php微信开发之图片回复功能


            本文实例为大家分享了php微信图片回复功能的具体代码，供大家参考，具体内容如下





<?php

/**

 * wechat php test

 */



//define your token

define("TOKEN", "weixin");

$wechatObj = new wechatCallbackapiTest();

//$wechatObj->valid();

$wechatObj->responseMsg();

class 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)){



        $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);

        $fromUsername = $postObj->FromUserName;

        $toUsername = $postObj->ToUserName;

        $type = $postObj->MsgType;

        $customrevent = $postObj->Event;

        $keyword = trim($postObj->Content);

        $time = time();

        $textTpl = "<xml>

              <ToUserName><![CDATA[%s]]></ToUserName>

              <FromUserName><![CDATA[%s]]></FromUserName>

              <CreateTime>%s</CreateTime>

              <MsgType><![CDATA[%s]]></MsgType>

              <Content><![CDATA[%s]]></Content>

              <FuncFlag>0</FuncFlag>

              </xml>";       

        if($type=="event" and $customrevent=="subscribe"){

          $contentStr = "33333333333";

          $msgType = "text";

          $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);

          echo $resultStr;

          }  

        if($type=="image" ){

          $contentStr = "你的图片很棒！";

          $msgType = "text";

          $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);

          echo $resultStr;

          }  



        if(!empty( $keyword ))

        {                

          $msgType = "text";

          if($keyword=="1"){

          $contentStr = "333";}

          if($keyword=="2"){

          $contentStr = "444

          if($keyword=="3"){

          $contentStr = "11";}          

          $resultStr = sprintf($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;

    }

  }

}



?>



以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持中文源码网。