php微信开发之图片回复功能

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本文实例为大家分享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;"> //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<a href="/tag/tupian/" target="_blank" class="keywords">图片</a>很棒!";
      $msgType = "text";
      $resultStr = sprintf($textTpl,$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,$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编程之家。

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