微信开发(二)自己的代码

代码说明

1.实现了调用了图灵的聊天机器人接口,实现了部分功能回复文本消息图文消息,不能接收图片消息

2.关注事件回复欢迎关注

3.获取关注人员的信息

4.memcache缓存

5.网页授权的两种方式

6.创建自定义菜单

6.curl发送请求

7.jssdk预览本机图片

主要有四个文件

1.接收微信服务器消息的页面wx_sample.php

<?php
    require "./config.php";
    require "./wxApi.class.php";

    $echostr = $_GET['echostr'];

    $weixin = new wxApi(APPID, APPSECRET);

    $weixin->valid();
    
    //接收处理微信服务器转发的xml数据包
    $post = $HTTP_RAW_POST_DATA;

    $weixin->chat($post);

2.配置文件config.php

<?php
define("TOKEN", "xxx");
define("APPID", "xxxxxxxxxxx");
define("APPSECRET", "xxxxxxxxxxxx");

3.微信网页授权的页面weixin.php

<?php
require "./config.php";
require "./wxApi.class.php";

$echostr = $_GET['echostr'];

$weixin = new wxApi(APPID, APPSECRET);

$signPackage = $weixin->jssdk_signture();
var_dump($signPackage);
?>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=0">
    <title></title>
    <link rel="stylesheet" href="./weui/dist/style/weui.min.css">
</head>
<body>
<button id="dog" class="weui_btn weui_btn_primary">img</button>
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<script type="text/javascript">
      wx.config({
            debug: true,
            appId: '<?php echo $signPackage["appId"];?>',
            timestamp: <?php echo $signPackage["timestamp"];?>,
            nonceStr: '<?php echo $signPackage["nonceStr"];?>',
            signature: '<?php echo $signPackage["signature"];?>',
            jsApiList: ['chooseImage'
              // 所有要调用的 API 都要加到这个列表中
            ]
          });
    wx.ready(function () {
    // 在这里调用 API
        var img = document.getElementById('dog');
        img.onclick = function(){
            wx.chooseImage({
                count: 1, // 默认9
                sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图，默认二者都有
                sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
                success: function (res) {
                    var localIds = res.localIds; // 返回选定照片的本地ID列表，localId可以作为img标签的src属性显示图片
                }
            });
        }
      });
</script>
</body>
</html>

4.类文件 wxApi.class.php

  1 <?php
  2 class wxApi
  3 {
  4     public $appid;
  5     public $appsecret;
  6     private $access_token;
  7     public function init_access_token()
  8     {
  9         $this->access_token = $this->get_access_token();
 10     }
 11     public function __construct($appid='',$appsecret='')
 12     {
 13         $this->appid = $appid;
 14         $this->appsecret = $appsecret;
 15         $this->init_access_token();
 16     }
 17     public function valid(){
 18         if($this->checkSignature())
 19         {
 20             echo $_GET['echostr'];
 21         }
 22         else
 23         {
 24             echo "Error";
 25         }
 26     }
 27     //检验微信加密签名
 28     private function checkSignature()
 29     {
 30         $signature = $_GET['signature'];
 31         $timestamp = $_GET['timestamp'];
 32         $nonce = $_GET['nonce'];
 33 
 34         //加密
 35         //1.将token,timestamp,nonce三个参数进行字典排序
 36 
 37         $tmpArr = array(TOKEN, $timestamp, $nonce);
 38         sort($tmpArr, SORT_STRING);
 39 
 40         //2.将三个参数字符串拼接成为一个字符串进行sha1加密
 41 
 42         $tmpStr = implode($tmpArr);
 43         $tmpStr = sha1($tmpStr);
 44 
 45         //3.将开发者获得的加密后的字符串与signature对比
 46 
 47         if($tmpStr == $signature){
 48             echo true;
 49         }else{
 50             echo false;
 51         }
 52     }
 53     //获取接口调用凭证access_token
 54     public function get_access_token()
 55     {
 56         if(!$this->memcache_get('access_token')){
 57             $this->create_access_token();
 58         }
 59         return $this->memcache_get('access_token');
 60     }
 61     //生成access_token
 62     public function create_access_token()
 63     {
 64         $uri = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$this->appid}&secret={$this->appsecret}";
 65         $data = $this->curl_get($uri);
 66         $access_token = $data['access_token'];
 67         $this->memcache_set('access_token', $access_token);
 68     }
 69     //缓存数据到memcache
 70     public function memcache_set($key, $value)
 71     {
 72         $mmc = new Memcache;
 73         $mmc->connect();
 74         $mmc->set($key, $value, 0, 7200);
 75     }
 76     //获得memcache的数据
 77     public function memcache_get($key)
 78     {
 79         $mmc = new Memcache;
 80         $mmc->connect();
 81         return $mmc->get($key);
 82     }
 83     //清空memcache数据
 84     public function memcache_flush()
 85     {
 86         $mmc = new Memcache;
 87         $mmc->connect();
 88         return $mmc->flush();
 89     }
 90 
 91     //发送curl get请求
 92     public function curl_get($uri='')
 93     {
 94         $ch = curl_init ();
 95         curl_setopt ( $ch, CURLOPT_URL, $uri );
 96         curl_setopt ( $ch, CURLOPT_HEADER, 0 );
 97         curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
 98         $return = curl_exec($ch);
 99         curl_close ( $ch );
100         $return = json_decode($return, true);
101         return $return;
102     }
103     //发送post请求
104     public function curl_post($url, $post)
105     {
106         $ch = curl_init ();
107         curl_setopt ( $ch, CURLOPT_URL, $url );
108         curl_setopt ( $ch, CURLOPT_HEADER, 0 );
109         curl_setopt($ch, CURLOPT_POST, 1);
110         curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
111 
112         curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
113         $return = curl_exec($ch);
114         curl_close ( $ch );
115         return $return;
116     }
117     //接收传递的数据
118     public function receive($post)
119     {
120         //处理xml数据包
121         $xmlobj = simplexml_load_string($post, 'SimpleXMLElement', LIBXML_NOCDATA);
122 
123         $data['toUserName'] = $xmlobj->ToUserName;
124         $data['fromUserName'] = $xmlobj->FromUserName;
125         $data['msgType'] = $xmlobj->MsgType;
126         $data['Content'] = $xmlobj->Content;
127 
128         return $data;
129     }
130 
131     //发送数据
132     public function send($content)
133     {
134         //发送get
135         $uri = "http://www.tuling123.com/openapi/api?" . "key=d92dd28bbcb446a8a127beb6eae611ee&info=" . $content;
136         return $this->curl_get($uri);
137     }
138     public function chat($post)
139     {
140         $data = $this->receive($post);
141 
142         $msgType = $data['msgType'];
143 
144         switch($msgType){
145             case 'text':
146                 $this->chat_chat($data);
147                 break;
148             case 'event':
149                 $this->event($data);
150                 break;
151         }          
152     }
153     //聊天消息
154     public function chat_chat($data)
155     {
156         $content = $data['Content'];
157 
158         $return = $this->send($content);
159 
160         $fromUserName = $data['fromUserName'];
161         $toUserName = $data['toUserName'];
162         $msgType = $data['msgType'];
163         
164 
165         $content = $return['text'];
166         $code = $return['code'];
167 
168         switch($code){
169             case 100000:
170                 $reply = "<xml>
171                     <ToUserName><![CDATA[%s]]></ToUserName>
172                     <FromUserName><![CDATA[%s]]></FromUserName>
173                     <CreateTime>%s</CreateTime>
174                     <MsgType><![CDATA[%s]]></MsgType>
175                     <Content><![CDATA[%s]]></Content>
176                     </xml>";
177                 echo sprintf($reply, $fromUserName, $toUserName, time(), $msgType, $content);
178                 break;
179             case 200000:
180                 $reply = "<xml>
181                             <ToUserName><![CDATA[%s]]></ToUserName>
182                             <FromUserName><![CDATA[%s]]></FromUserName>
183                             <CreateTime>%s</CreateTime>
184                             <MsgType><![CDATA[news]]></MsgType>
185                             <ArticleCount>1</ArticleCount>
186                             <Articles>
187                                 <item>
188                                     <Title><![CDATA[%s]]></Title> 
189                                     <Description><![CDATA[%s]]></Description>
190                                     <PicUrl><![CDATA[%s]]></PicUrl>
191                                     <Url><![CDATA[%s]]></Url>
192                                 </item>
193                             </Articles>
194                           </xml>";
195                 $title = $return['text'];
196                 $Description = '';
197                 $PicUrl = 'http://1.catrazy.applinzi.com/img/t01f69da5a3069ac3b3.jpg';
198                 $Url = $return['url'];
199                 echo sprintf($reply, $fromUserName, $toUserName, time(), $title, $Description, $PicUrl, $Url);
200                 break;
201             case 302000:
202                 $reply = "<xml>
203                             <ToUserName><![CDATA[%s]]></ToUserName>
204                             <FromUserName><![CDATA[%s]]></FromUserName>
205                             <CreateTime>%s</CreateTime>
206                             <MsgType><![CDATA[news]]></MsgType>
207                             <ArticleCount>1</ArticleCount>
208                             <Articles>
209                                 <item>
210                                     <Title><![CDATA[%s]]></Title> 
211                                     <Description><![CDATA[%s]]></Description>
212                                     <PicUrl><![CDATA[%s]]></PicUrl>
213                                     <Url><![CDATA[%s]]></Url>
214                                 </item>
215                             </Articles>
216                           </xml>";
217                 $num = ceil(rand(0,10));
218                 $title = $return['text'];
219                 $Description = $return['list'][$num]['article'];
220                 $PicUrl = $return['list'][$num]['icon'];
221                 $Url = $return['list'][$num]['detailurl'];
222                 echo sprintf($reply, $fromUserName, $toUserName, time(), $title, $Description, $PicUrl, $Url);
223                 break;
224             case 308000:
225                 $reply = "<xml>
226                             <ToUserName><![CDATA[%s]]></ToUserName>
227                             <FromUserName><![CDATA[%s]]></FromUserName>
228                             <CreateTime>%s</CreateTime>
229                             <MsgType><![CDATA[news]]></MsgType>
230                             <ArticleCount>1</ArticleCount>
231                             <Articles>
232                                 <item>
233                                     <Title><![CDATA[%s]]></Title> 
234                                     <Description><![CDATA[%s]]></Description>
235                                     <PicUrl><![CDATA[%s]]></PicUrl>
236                                     <Url><![CDATA[%s]]></Url>
237                                 </item>
238                             </Articles>
239                           </xml>";
240                 $num = ceil(rand(0,10));
241                 $title = $return['text'];
242                 $Description = $return['list'][$num]['article'];
243                 $Url = $return['list'][$num]['detailurl'];
244                 $str = file_get_contents($Url);
245                 $preg = '/<imgs+src=.*>/';
246                 preg_match($preg, $str, $match);
247                 $PicUrl = $match[0];
248                 echo sprintf($reply, $fromUserName, $toUserName, time(), $title, $Description, $PicUrl, $Url);
249                 break;
250         } 
251     }
252     //事件推送消息(关注事件)
253     public function event($data)
254     {
255         $fromUserName = $data['fromUserName'];
256         $toUserName = $data['toUserName'];
257         $content = "欢迎关注";
258         $reply = "<xml>
259                     <ToUserName><![CDATA[%s]]></ToUserName>
260                     <FromUserName><![CDATA[%s]]></FromUserName>
261                     <CreateTime>%s</CreateTime>
262                     <MsgType><![CDATA[text]]></MsgType>
263                     <Content><![CDATA[%s]]></Content>
264                     </xml>";
265                 echo sprintf($reply, $fromUserName, $toUserName, time(),$content);
266     }
267     //创建自定义菜单
268     public function create_menu()
269     {
270         $url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token={$this->get_access_token()}";
271         $post = '{
272             "button":[
273                 {
274                     "name":"菜单",
275                     "sub_button":[
276                         {
277                             "name":"关于我们",
278                             "type":"view",
279                             "url":"http://www.soso.com/"
280                         },
281                         {
282                             "name":"搜索",
283                             "type":"view",
284                             "url":"http://www.soso.com/"
285                         }
286                     ]
287 
288                 },
289                 {
290                     "name":"哈哈哈",
291                     "type":"view",
292                     "url":"http://1.catrazy.applinzi.com/weixin.php"
293                 }
294             ]
295         }';
296 
297         echo $this->curl_post($url, $post);
298     }
299     //获取用户列表
300     public function get_user_list()
301     {
302         $url = "https://api.weixin.qq.com/cgi-bin/user/get?access_token=" . $this->access_token;
303         $data = $this->curl_get($url);
304         // echo '<pre>';
305         // var_dump($data);
306         $openids = $data['data']['openid'];
307         // var_dump($openids);
308         return $openids;
309     }
310     //获取用户所有的基本信息
311     public function get_user_info()
312     {
313         $access_token = $this->access_token;
314         $openids = $this->get_user_list();
315         foreach($openids as $openid){
316             $url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token={$access_token}&openid={$openid}&lang=zh_CN";
317             $user_info[] = $this->curl_get($url); 
318         }
319         return $user_info;
320     }
321     //base型授权
322     public function snsapi_base($redirect_uri)
323     {
324         // 1.准备scope为scope_base的网页授权页面url
325         $snsapi_base_url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$this->appid}&redirect_uri={$redirect_uri}&response_type=code&scope=snsapi_base&state=123#wechat_redirect";
326         // 2. 静默授权 获取code
327 
328         //页面将跳转至redirect_uri/?code=CODE&state=STATE
329         if(!isset($_GET['code'])){
330             header("Location:{$snsapi_base_url}");
331         }
332 
333         // 3.通过code换区页面授权access_token
334         $code = $_GET['code'];
335 
336         $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid={$this->appid}&secret={$this->appsecret}&code={$code}&grant_type=authorization_code";
337         $return = $this->curl_get($url);
338         $key = "token";
339         $value = $return['openid'];
340         $this->memcache_set($key, $value);
341         return $return;        
342     }
343     //userinfo型授权
344     public function snsapi_userinfo($redirect_uri)
345     {
346         $url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$this->appid}&redirect_uri={$redirect_uri}&response_type=code&scope=snsapi_userinfo&state=123#wechat_redirect";
347         if(!isset($_GET['code'])){
348             header("Location:{$url}");
349         }
350         $code = $_GET['code'];
351 
352         $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid={$this->appid}&secret={$this->appsecret}&code={$code}&grant_type=authorization_code";
353         $return = $this->curl_get($url);
354 
355         $token = $return['access_token'];
356         $openid = $return['openid'];
357 
358         $url_info = "https://api.weixin.qq.com/sns/userinfo?access_token={$token}&openid={$openid}&lang=zh_CN";
359         return $this->curl_get($url_info);
360     }
361     //获取jsapi
362     public function get_jsapi()
363     {
364         $jsapi_ticket = $this->memcache_get('jsapi_ticket');
365         if(!$jsapi_ticket){
366             $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={$this->access_token}&type=jsapi";
367             $data = $this->curl_get($url);
368             $this->memcache_set('jsapi_ticket', $data['ticket']);
369         }
370         return $jsapi_ticket;        
371     }
372     //获取jssdk签名
373     public function jssdk_signture()
374     {
375         $jsapiTicket = $this->get_jsapi();
376 
377         // 注意 URL 一定要动态获取，不能 hardcode.
378         $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
379         $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
380 
381         $timestamp = time();
382         $nonceStr = "hkasfhkh";
383 
384         // 这里参数的顺序要按照 key 值 ASCII 码升序排序
385         $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr&timestamp=$timestamp&url=$url";
386 
387         $signature = sha1($string);
388 
389         $signPackage = array(
390           "appId"     => $this->appid,
391           "nonceStr"  => $nonceStr,
392           "timestamp" => $timestamp,
393           "url"       => $url,
394           "signature" => $signature,
395           "rawString" => $string
396         );
397         return $signPackage; 
398     }
399 }

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原文地址：https://www.cnblogs.com/catcrazy/p/6407952.html