<?php
  2 /*
  3     方倍工作室 2014年6月全国大学英语四六级考试成绩查询
  4     CopyRight 2014 All Rights Reserved
  5 */
  6 
  7 define("TOKEN", "weixin");
  8 
  9 $wechatObj = new wechatCallbackapiTest();
 10 if (!isset($_GET['echostr'])) {
 11     $wechatObj->responseMsg();
 12 }else{
 13     $wechatObj->valid();
 14 }
 15 
 16 class wechatCallbackapiTest
 17 {
 18     public function valid()
 19     {
 20         $echoStr = $_GET["echostr"];
 21         $signature = $_GET["signature"];
 22         $timestamp = $_GET["timestamp"];
 23         $nonce = $_GET["nonce"];
 24         $token = TOKEN;
 25         $tmpArr = array($token, $timestamp, $nonce);
 26         sort($tmpArr);
 27         $tmpStr = implode($tmpArr);
 28         $tmpStr = sha1($tmpStr);
 29         if($tmpStr == $signature){
 30             echo $echoStr;
 31             exit;
 32         }
 33     }
 34 
 35     public function responseMsg()
 36     {
 37         $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
 38         if (!empty($postStr)){
 39             $this->logger("R ".$postStr);
 40             $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
 41             $RX_TYPE = trim($postObj->MsgType);
 42 
 43             switch ($RX_TYPE)
 44             {
 45                 case "event":
 46                     $result = $this->receiveEvent($postObj);
 47                     break;
 48                 case "text":
 49                     $result = $this->receiveText($postObj);
 50                     break;
 51             }
 52             $this->logger("T ".$result);
 53             echo $result;
 54         }else {
 55             echo "";
 56             exit;
 57         }
 58     }
 59     
 60     private function receiveEvent($object)
 61     {
 62         $content = "";
 63         switch ($object->Event)
 64         {
 65             case "subscribe":
 66                 $content = array();
 67                 $content[] = array("Title" =>"2014年6月全国大学英语四六级考试成绩查询","Description" =>"", "PicUrl" =>"http://365jia.cn/uploads/13/0301/5130c2ff93618.jpg", "Url" =>"http://apix.sinaapp.com/cet/index.php?openid=".$object->FromUserName);
 68                 break;
 69         }
 70         if(is_array($content)){
 71             $result = $this->transmitNews($object, $content);
 72         }else{
 73             $result = $this->transmitText($object, $content);
 74         }
 75         return $result;
 76     }
 77   
 78     private function receiveText($object)
 79     {
 80         $keyword = trim($object->Content);
 81         if (strstr($keyword, "四六级") || strstr($keyword, "英语")){
 82             $content = array();
 83             $content[] = array("Title" =>"2014年6月全国大学英语四六级考试成绩查询","Description" =>"", "PicUrl" =>"http://365jia.cn/uploads/13/0301/5130c2ff93618.jpg", "Url" =>"http://apix.sinaapp.com/cet/index.php?openid=".$object->FromUserName);
 84         }else{
 85             $content = date("Y-m-d H:i:s",time())."\n技术支持 方倍工作室";
 86         }
 87         if(is_array($content)){
 88             $result = $this->transmitNews($object, $content);
 89         }else{
 90             $result = $this->transmitText($object, $content);
 91         }
 92         return $result;
 93     }
 94 
 95     private function transmitText($object, $content)
 96     {
 97         $textTpl = "<xml>
 98 <ToUserName><![CDATA[%s]]></ToUserName>
 99 <FromUserName><![CDATA[%s]]></FromUserName>
100 <CreateTime>%s</CreateTime>
101 <MsgType><![CDATA[text]]></MsgType>
102 <Content><![CDATA[%s]]></Content>
103 </xml>";
104         $result = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content);
105         return $result;
106     }
107 
108     private function transmitNews($object, $arr_item)
109     {
110         if(!is_array($arr_item))
111             return;
112 
113         $itemTpl = "    <item>
114         <Title><![CDATA[%s]]></Title>
115         <Description><![CDATA[%s]]></Description>
116         <PicUrl><![CDATA[%s]]></PicUrl>
117         <Url><![CDATA[%s]]></Url>
118     </item>
119 ";
120         $item_str = "";
121         foreach ($arr_item as $item)
122             $item_str .= sprintf($itemTpl, $item['Title'], $item['Description'], $item['PicUrl'], $item['Url']);
123 
124         $newsTpl = "<xml>
125 <ToUserName><![CDATA[%s]]></ToUserName>
126 <FromUserName><![CDATA[%s]]></FromUserName>
127 <CreateTime>%s</CreateTime>
128 <MsgType><![CDATA[news]]></MsgType>
129 <Content><![CDATA[]]></Content>
130 <ArticleCount>%s</ArticleCount>
131 <Articles>
132 $item_str</Articles>
133 </xml>";
134 
135         $result = sprintf($newsTpl, $object->FromUserName, $object->ToUserName, time(), count($arr_item));
136         return $result;
137     }
138 
139     private function logger($log_content)
140     {
141     }
142 }
143 
144 
145 ?>