利用微信公众平台开发模式怎么实现一个多客服功能?相信很多没有经验的人对此束手无策,为此本文总结了问题出现的原因和解决方法,通过这篇文章希望你能解决这个问题。
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" =>"https://cache.yisu.com/upload/information/20201209/266/41102.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."\r\n", FILE_APPEND); } } } ?>
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