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php微信开发之关键词回复功能

时间:2018-06-09 10:45 作者:QQ地带 我要评论

本文实例为大家分享了php微信开发之关键词回复的具体代码,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;
  $keyword = trim($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(!empty( $keyword ))
  {
   $msgType = "text";
   if($keyword=="1"){
   $contentStr = "qiphon";}
   if($keyword=="2"){
   $contentStr = "最新资讯:《环境违法行为举报奖励办法》";}
   if($keyword=="3"){
   $contentStr = "31离婚协议\n32租房合同\n33交通事故协议书";}   
   $resultStr = sprintf($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;
 }
 }
}
 
?>

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