1 <meta http-equiv="Content-Type" content="text/html; charset=utf8" />
  2 <?php
  3 header("Content-Type:text/html;charset=UTF-8");
  4 date_default_timezone_set("PRC");
  5 /**
  6 * 最开始用的是微信提供的demo老是不成功，用了这个网上下载的才成功
  7 */
  8 
  9 //define your token
 10 define("TOKEN", "djjc");
 11 $wechatObj = new wechatCallbackapiTest();
 12 //微信接入操作，成功接入了直接注释了就行了
 13 $wechatObj->responseMsg();
 14 //$wechatObj->valid();
 15 
 16 class wechatCallbackapiTest
 17 {
 18 /*public function valid()
 19 {
 20 $echoStr = $_GET["echostr"];
 21 
 22 //valid signature , option
 23 if($this->checkSignature()){
 24 echo $echoStr;
 25 exit;
 26 }
 27 }*/
 28 
 29 public function responseMsg()
 30 {
 31 //get post data, May be due to the different environments
 32 $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
 33 
 34 //extract post data
 35 if (!empty($postStr)){
 36 
 37 $postObj = simplexml_load_string($postStr, ‘SimpleXMLElement‘, LIBXML_NOCDATA);
 38 $RX_TYPE = trim($postObj->MsgType);
 39 
 40 switch($RX_TYPE)
 41 {
 42 case "text":
 43 $resultStr = $this->handleText($postObj);
 44 break;
 45 case "event":
 46 $resultStr = $this->handleEvent($postObj);
 47 break;
 48 default:
 49 $resultStr = "Unknow msg type: ".$RX_TYPE;
 50 break;
 51 }
 52 echo $resultStr;
 53 }else {
 54 echo "";
 55 exit;
 56 }
 57 }
 58 //测试文字回复
 59 public function handleText($postObj)
 60 {
 61 $fromUsername = $postObj->FromUserName;
 62 $toUsername = $postObj->ToUserName;
 63 $keyword = trim($postObj->Content);
 64 $time = time();
 65 $textTpl = "<xml>
 66 <ToUserName><![CDATA[%s]]></ToUserName>
 67 <FromUserName><![CDATA[%s]]></FromUserName>
 68 <CreateTime>%s</CreateTime>
 69 <MsgType><![CDATA[%s]]></MsgType>
 70 <Content><![CDATA[%s]]></Content>
 71 <FuncFlag>0</FuncFlag>
 72 </xml>"; 
 73 if(!empty( $keyword ))
 74 {
 75 $msgType = "text";
 76 switch($keyword){
 77 case "你好":
 78 $contentStr = "你好!";
 79 break;
 80 case "你叫什么名字":
 81 $contentStr = "我是顶尖机器人";
 82 break;
//判断是否为天气
 83 case $keywords+"天气";
 84 $str = mb_substr($keyword,-2,2,"UTF-8");
 85 $str_key = mb_substr($keyword,0,-2,"UTF-8");
 86 if($str=="天气"){
 87 $data = $this->weather($str_key)->showapi_res_body;
 88 $data1=‘[今天白天]‘.$data->f1->day_weather."\n";
 89 $data2=‘[今天夜间]‘.$data->f1->night_weather."\n";
 90 $data3=‘[明天白天]‘.$data->f2->day_weather."\n";
 91 $data4=‘[明天夜间]‘.$data->f2->night_weather."\n";
 92 $contentStr = $data1.$data2.$data3.$data4;
 93 }
 94 break;
 95 default:
 96 $contentStr = "听不懂您在讲什么";
 97 break; 
 98 }
 99 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
100 echo $resultStr;
101 }else{
102 echo "Input something...";
103 }
104 }
105 
106 public function handleEvent($object)
107 {
108 $contentStr = "";
109 switch ($object->Event)
110 {
111 case "subscribe":
112 $contentStr = "感谢您关注顶尖教程网，在这里您将得到海量免费学习资源！";
113 break;
114 default :
115 $contentStr = "Unknow Event: ".$object->Event;
116 break;
117 }
118 $resultStr = $this->responseText($object, $contentStr);
119 return $resultStr;
120 }
121 
122 public function responseText($object, $content)
123 {
124 $textTpl = "<xml>
125 <ToUserName><![CDATA[%s]]></ToUserName>
126 <FromUserName><![CDATA[%s]]></FromUserName>
127 <CreateTime>%s</CreateTime>
128 <MsgType><![CDATA[text]]></MsgType>
129 <Content><![CDATA[%s]]></Content>
130 <FuncFlag>0</FuncFlag>
131 </xml>";
132 $resultStr = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content, $flag);
133 return $resultStr;
134 }
135 
136 private function checkSignature()
137 {
138 $signature = $_GET["signature"];
139 $timestamp = $_GET["timestamp"];
140 $nonce = $_GET["nonce"]; 
141 
142 $token = TOKEN;
143 $tmpArr = array($token, $timestamp, $nonce);
144 sort($tmpArr);
145 $tmpStr = implode( $tmpArr );
146 $tmpStr = sha1( $tmpStr );
147 
148 if( $tmpStr == $signature ){
149 return true;
150 }else{
151 return false;
152 }
153 }
154 //天气预报  此处汉字需要处理，想了很多办法才没乱码
155 private function weather($k){
156 $n=urlencode($k);
157 $showapi_appid = ‘7440‘; //去相关网站申请就行
158 $showapi_sign = ‘1900d19e5af4470ca611c7e26fd145ea‘;
159 $showapi_timestamp = date(‘YmdHis‘);
160 $areaid=‘0‘;
161 $paramArr = ‘0‘;
162 $needHourData=‘0‘;
163 $url = iconv(‘gbk‘,‘utf-8‘,‘http://route.showapi.com/9-2?‘.‘area=‘.$n.‘&areaid=&needHourData=0&needIndex=0&needMoreDay=0&showapi_appid=‘.$showapi_appid.‘&showapi_timestamp=‘.$showapi_timestamp.‘&showapi_sign=‘.$showapi_sign); 
164 $result = file_get_contents($url);
165 $result = json_decode($result);
166 return $result;
167 }
168 
169 }
170 
171 ?>