php微信公众号开发之音乐信息

$textTpl = "<xml 
        <ToUserName <![CDATA[%s]] </ToUserName 
        <FromUserName <![CDATA[%s]] </FromUserName 
        <CreateTime %s</CreateTime 
        <MsgType <![CDATA[music]] </MsgType 
        <Music 
          <Title <![CDATA[欢乐颂]] </Title 
          <Description <![CDATA[贝多芬]] </Description 
          <MusicUrl <![CDATA[http://1.dq095.applinzi.com/欢乐颂.mp3]] </MusicUrl 
          <HQMusicUrl <![CDATA[http://1.dq095.applinzi.com/欢乐颂.mp3]] </HQMusicUrl 
        </Music 
        <FuncFlag 0</FuncFlag 
      </xml ";       



if(!empty( $keyword ))
 {           
  $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time);
  echo $resultStr;
 }else{
  echo "Input something...";
 }

<?php
/**
* wechat php test
 */

//define your token
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$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;
        $keyword = trim($postObj- Content);
        $time = time();
        $textTpl = "<xml 
              <ToUserName <![CDATA[%s]] </ToUserName 
              <FromUserName <![CDATA[%s]] </FromUserName 
              <CreateTime %s</CreateTime 
              <MsgType <![CDATA[music]] </MsgType 
               <Music 
               <Title <![CDATA[欢乐颂]] </Title 
               <Description <![CDATA[贝多芬]] </Description 
               <MusicUrl <![CDATA[http://1.dq095.applinzi.com/欢乐颂.mp3]] </MusicUrl 
               <HQMusicUrl <![CDATA[http://1.dq095.applinzi.com/欢乐颂.mp3]] </HQMusicUrl 
               </Music 
              <FuncFlag 0</FuncFlag 
              </xml ";       



        if(!empty( $keyword ))
        {

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

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