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微信公眾號開發之文字訊息自動回覆php程式碼_php實例

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PHP中文网原創
2016-08-17 13:02:352954瀏覽

本文實例為大家分享了php微信文字訊息自動回覆別程式碼,供大家參考,具體內容如下

1.PHP範例程式碼下載
 下載地址1:http://xiazai.php.net/201608/ yuanma/phpwx(php.net).rar
 下載位址2:https://mp.weixin.qq.com/wiki/home/index.html(開始開發-》存取指南-》PHP範例程式碼下載) 

2.wx_sample.php初始程式碼

valid();

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)){
 /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
  the best way is to check the validity of xml by yourself */
 libxml_disable_entity_loader(true);
  $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
 $fromUsername = $postObj->FromUserName;
 $toUsername = $postObj->ToUserName;
 $keyword = trim($postObj->Content);
 $time = time();
 $textTpl = "%s0"; 
 if(!empty( $keyword ))
 {
  $msgType = "text";
  $contentStr = "Welcome to wechat world!";
  $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
  echo $resultStr;
 }else{
  echo "Input something...";
 }

 }else {
 echo "";
 exit;
 }
 }
 
 private function checkSignature()
 {
 // you must define TOKEN by yourself
 if (!defined("TOKEN")) {
 throw new Exception('TOKEN is not defined!');
 }
 
 $signature = $_GET["signature"];
 $timestamp = $_GET["timestamp"];
 $nonce = $_GET["nonce"];
 
 $token = TOKEN;
 $tmpArr = array($token, $timestamp, $nonce);
 // use SORT_STRING rule
 sort($tmpArr, SORT_STRING);
 $tmpStr = implode( $tmpArr );
 $tmpStr = sha1( $tmpStr );
 
 if( $tmpStr == $signature ){
 return true;
 }else{
 return false;
 }
 }
}

?>

3.ample

valid();//接口验证
$wechatObj->responseMsg();//调用回复消息方法
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)){
 /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
  the best way is to check the validity of xml by yourself */
 libxml_disable_entity_loader(true);
  $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
 $fromUsername = $postObj->FromUserName;
 $toUsername = $postObj->ToUserName;
 $keyword = trim($postObj->Content);
 $time = time();
 $textTpl = "%s0"; 
 if(!empty( $keyword ))
 {
  $msgType = "text";
  $contentStr = "Welcome to wechat world!";
  $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
  echo $resultStr;
 }else{
  echo "Input something...";
 }

 }else {
 echo "";
 exit;
 }
 }
 
 private function checkSignature()
 {
 // you must define TOKEN by yourself
 if (!defined("TOKEN")) {
 throw new Exception('TOKEN is not defined!');
 }
 
 $signature = $_GET["signature"];
 $timestamp = $_GET["timestamp"];
 $nonce = $_GET["nonce"];
 
 $token = TOKEN;
 $tmpArr = array($token, $timestamp, $nonce);
 // use SORT_STRING rule
 sort($tmpArr, SORT_STRING);
 $tmpStr = implode( $tmpArr );
 $tmpStr = sha1( $tmpStr );
 
 if( $tmpStr == $signature ){
 return true;
 }else{
 return false;
 }
 }
}

?>

3.其下增加一句「$wechatObj->responseMsg();」。

valid();//接口验证
$wechatObj->responseMsg();//调用回复消息方法
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)){
 /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
  the best way is to check the validity of xml by yourself */
 libxml_disable_entity_loader(true);
  $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
 $fromUsername = $postObj->FromUserName;
 $toUsername = $postObj->ToUserName;
 $keyword = trim($postObj->Content);
 $time = time();
 $msgType = $postObj->MsgType;//消息类型
 $event = $postObj->Event;//时间类型,subscribe(订阅)、unsubscribe(取消订阅)
 $textTpl = "%s0"; 
  
 switch($msgType){
  case "event":
  if($event=="subscribe"){
  $contentStr = "Hi,欢迎关注海仙日用百货!"."\n"."回复数字'1',了解店铺地址."."\n"."回复数字'2',了解商品种类.";
  } 
  break;
  case "text":
  switch($keyword){
  case "1":
  $contentStr = "店铺地址:"."\n"."杭州市江干艮山西路233号新东升市场地下室第一排."; 
  break;
  case "2":
  $contentStr = "商品种类:"."\n"."杯子、碗、棉签、水桶、垃圾桶、洗碗巾(刷)、拖把、扫把、"
   ."衣架、粘钩、牙签、垃圾袋、保鲜袋(膜)、剪刀、水果刀、饭盒等.";
  break;
  default:
  $contentStr = "对不起,你的内容我会稍后回复";
  }
  break;
 }
 $msgType = "text";
 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
 echo $resultStr;
 }else {
 echo "";
 exit;
 }
 }
 
 private function checkSignature()
 {
 // you must define TOKEN by yourself
 if (!defined("TOKEN")) {
 throw new Exception('TOKEN is not defined!');
 }
 
 $signature = $_GET["signature"];
 $timestamp = $_GET["timestamp"];
 $nonce = $_GET["nonce"];
 
 $token = TOKEN;
 $tmpArr = array($token, $timestamp, $nonce);
 // use SORT_STRING rule
 sort($tmpArr, SORT_STRING);
 $tmpStr = implode( $tmpArr );
 $tmpStr = sha1( $tmpStr );
 
 if( $tmpStr == $signature ){
 return true;
 }else{
 return false;
 }
 }
}


?>

4.關鍵字自動回覆並專注於回覆 
$keyword保存著用戶微信端發送的文字訊息。

 官方開發者文件:

https://mp.weixin.qq.com/wiki/home/index.html(訊息管理-》接收訊息-接收事件推播-》1.追蹤/取消追蹤事件)


關注事件與一般的文字訊息有兩處不同,一是MsgType值是event,二是增加了Event值是subscribe。由於官方文件(最初的wx_sample.php)沒有提取這個參數,需要我們自己提取。在程式中增加兩個變數$msgType和$event。

rrreee

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