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php 微信公众平台开发模式实现多客服的实例代码

时间:2024-3-1 18:43     作者:韩俊     分类: PHP


其实微信公众平台的多客服功能已经出来好久了,并且一出来的时候我就已经为自己的公众号实现了,原本以为大家都已经会了,但是今天还是有人问起这个多客服功能怎么使用,我找了下网上也没什么好的教程,今天我就给大家发一篇比较简单易懂的教程吧

在这篇微信公众平台开发教程中,我们将介绍如何使用开发模式实现多客服系统。

一、回复多客服消息

在新的微信协议中,开发模式也可以接入客服系统。 开发者如果需要让用户使用客服系统,需要在接收到用户发送的消息时,返回一个MsgType为transfer_customer_service的消息,微信服务器在收到这条消息时,会把用户这次发送的和以后一段时间内发送的消息转发客服系统。

返回的消息举例如下

<xml>
 <ToUserName><![CDATA[touser]]></ToUserName>
 <FromUserName><![CDATA[fromuser]]></FromUserName>
 <CreateTime>1399197672</CreateTime>
 <MsgType><![CDATA[transfer_customer_service]]></MsgType>
</xml>

该消息的实现如下(以方倍工作室的微信公众平台PHP SDK为基础)

//回复多客服消息
 private function transmitService($object)
 {
  $xmlTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[transfer_customer_service]]></MsgType>
</xml>";
  $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());
  return $result;
 }

二、触发多客服会话

一般情况下,用户想要咨询问题是,经常会问“你好”,“在吗”,这样的问题。

我们以这些词为触发关键词,当用户发送的文本消息内容中包含这些词的时候,就返回多客服消息给用户(用户在微信端感觉不到任何内容,但微信公众账号会将用户本次及以后一段时间的消息都转发到客服)。

实现代码如下:

//接收文本消息
 private function receiveText($object)
 {
  $keyword = trim($object->Content);
  if (strstr($keyword, "投诉") || strstr($keyword, "你好") || strstr($keyword, "在吗")){
   $result = $this->transmitService($object);
  }
  return $result;
 }

三、完整代码

<?php
/*
 方倍工作室
 CopyRight 2014 All Rights Reserved
*/
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
if (!isset($_GET['echostr'])) {
 $wechatObj->responseMsg();
}else{
 $wechatObj->valid();
}
class wechatCallbackapiTest
{
 //验证消息
 public function valid()
 {
  $echoStr = $_GET["echostr"];
  if($this->checkSignature()){
   echo $echoStr;
   exit;
  }
 }
 //检查签名
 private function checkSignature()
 {
  $signature = $_GET["signature"];
  $timestamp = $_GET["timestamp"];
  $nonce = $_GET["nonce"];
  $token = TOKEN;
  $tmpArr = array($token, $timestamp, $nonce);
  sort($tmpArr, SORT_STRING);
  $tmpStr = implode($tmpArr);
  $tmpStr = sha1($tmpStr);
  if($tmpStr == $signature){
   return true;
  }else{
   return false;
  }
 }
 //响应消息
 public function responseMsg()
 {
  $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
  if (!empty($postStr)){
   $this->logger("R ".$postStr);
   $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
   $RX_TYPE = trim($postObj->MsgType);
   switch ($RX_TYPE)
   {
    case "event":
     $result = $this->receiveEvent($postObj);
     break;
    case "text":
     $result = $this->receiveText($postObj);
     break;
   }
   $this->logger("T ".$result);
   echo $result;
  }else {
   echo "";
   exit;
  }
 }
 //接收事件消息
 private function receiveEvent($object)
 {
  switch ($object->Event)
  {
   case "subscribe":
    $content[] = array("Title" =>"欢迎关注方倍工作室", "Description" =>"使用方法:n1.发送快递单号,例如6367532560,可查询快递详情", "PicUrl" =>"http://www.3856.cc/weixin/weixin/logo.jpg", "Url" =>"");
    break;
   default:
    $content = "receive a new event: ".$object->Event;
    break;
  }
  if(is_array($content)){
   if (isset($content[0])){
    $result = $this->transmitNews($object, $content);
   }else if (isset($content['MusicUrl'])){
    $result = $this->transmitMusic($object, $content);
   }
  }else{
   $result = $this->transmitText($object, $content);
  }
  return $result;
 }
 //接收文本消息
 private function receiveText($object)
 {
  $keyword = trim($object->Content);
  if($keyword == "时间" || $keyword == "测试"){
   $content = date("Y-m-d H:i:s",time());
   $result = $this->transmitText($object, $content);
  }
  //触发多客服模式
  else if (strstr($keyword, "您好") || strstr($keyword, "你好") || strstr($keyword, "在吗") || strstr($keyword, "有人吗")){
   $result = $this->transmitService($object);
   return $result;
  }
  return $result;
 }
 private function transmitText($object, $content)
 {
  $textTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[%s]]></Content>
</xml>";
  $result = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content);
  return $result;
 }
 private function transmitNews($object, $newsArray)
 {
  if(!is_array($newsArray)){
   return;
  }
  $itemTpl = " <item>
  <Title><![CDATA[%s]]></Title>
  <Description><![CDATA[%s]]></Description>
  <PicUrl><![CDATA[%s]]></PicUrl>
  <Url><![CDATA[%s]]></Url>
 </item>
";
  $item_str = "";
  foreach ($newsArray as $item){
   $item_str .= sprintf($itemTpl, $item['Title'], $item['Description'], $item['PicUrl'], $item['Url']);
  }
  $newsTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[news]]></MsgType>
<Content><![CDATA[]]></Content>
<ArticleCount>%s</ArticleCount>
<Articles>
$item_str</Articles>
</xml>";
  $result = sprintf($newsTpl, $object->FromUserName, $object->ToUserName, time(), count($newsArray));
  return $result;
 }
 private function transmitMusic($object, $musicArray)
 {
  $itemTpl = "<Music>
 <Title><![CDATA[%s]]></Title>
 <Description><![CDATA[%s]]></Description>
 <MusicUrl><![CDATA[%s]]></MusicUrl>
 <HQMusicUrl><![CDATA[%s]]></HQMusicUrl>
</Music>";
  $item_str = sprintf($itemTpl, $musicArray['Title'], $musicArray['Description'], $musicArray['MusicUrl'], $musicArray['HQMusicUrl']);
  $textTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[music]]></MsgType>
$item_str
</xml>";
  $result = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time());
  return $result;
 }
 //回复多客服消息
 private function transmitService($object)
 {
  $xmlTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[transfer_customer_service]]></MsgType>
</xml>";
  $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time());
  return $result;
 }
 private function logger($log_content)
 {
  if(isset($_SERVER['HTTP_APPNAME'])){ //SAE
   sae_set_display_errors(false);
   sae_debug($log_content);
   sae_set_display_errors(true);
  }else if($_SERVER['REMOTE_ADDR'] != "127.0.0.1"){ //LOCAL
   $max_size = 10000;
   $log_filename = "log.xml";
   if(file_exists($log_filename) and (abs(filesize($log_filename)) > $max_size)){unlink($log_filename);}
   file_put_contents($log_filename, date('H:i:s')." ".$log_content."rn", FILE_APPEND);
  }
 }
}
?>

本段代码经过测试,在自定义菜单中返回多客服消息,无法让用户进入多客服状态,使用多客服消息后,后续所有消息在一段时间内都将作为客服消息转发,原来的开发模式下的自动回复都将失效。

感谢阅读,希望能帮助到大家,谢谢大家对本站的支持!

标签: php php教程

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