廢話不多說了，直接給大家貼代碼了，具體代碼如下所示：

1. <?php 
2. namespaceHome/Model; 
3. useThink/Model; 
4. classWechatModelextendsModel { 
5. private$_token=''//令牌 
6.     private$appid; 
7.     private$appsecret; 
8.   publicfunction__construct() 
9.   { 
10.     $this->appid = C('APPID');//公眾號(hào)的appid 
11.     $this->appsecret = C('APPSECRET');//公眾號(hào)的秘鑰 
12.   } 
13.   //調(diào)用js-sdk的簽名包 
14.   publicfunctiongetSignPackage() { 
15.   $jsapiTicket=$this->getJsApiTicket(); 
16.   // 注意 URL 一定要?jiǎng)討B(tài)獲取，不能 hardcode.（獲取當(dāng)前網(wǎng)頁(yè)的url） 
17.   $protocol=  (!emptyempty($_SERVER['HTTPS']) &&$_SERVER['HTTPS']  !=='off'||$_SERVER['SERVER_PORT'] == 443) ?"https://":"http://"; 
18.   $url="$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"; 
19.   //時(shí)間戳 
20.   $timestamp= time(); 
21.   //隨機(jī)字符串獲取 
22.   $nonceStr=$this->createNonceStr(); 
23.   // 這里參數(shù)的順序要按照 key 值 ASCII 碼升序排序 
24.   $string="jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url"; 
25.   //生成字符串是用來(lái)簽名用的 
26.   $signature= sha1($string); 
27.   $signPackage=array( 
28.    "appId"  =>$this->appid, 
29.    "nonceStr"=>$nonceStr, 
30.    "timestamp"=>$timestamp, 
31.    "url"   =>$url, 
32.    "signature"=>$signature, 
33.    "rawString"=>$string 
34.   ); 
35.   return$signPackage; 
36.  } 
37.  //使用會(huì)員卡領(lǐng)取的簽名包 
38.  publicfunctiongetHuiYuanSignPackage() { 
39.   $apiTicket=$this->getApiTicket(); 
40.   // 注意 URL 一定要?jiǎng)討B(tài)獲取，不能 hardcode.（獲取當(dāng)前網(wǎng)頁(yè)的url） 
41.   $protocol=  (!emptyempty($_SERVER['HTTPS']) &&$_SERVER['HTTPS']  !=='off'||$_SERVER['SERVER_PORT'] == 443) ?"https://":"http://"; 
42.   $url="$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"; 
43.   //時(shí)間戳 
44.   $timestamp= time(); 
45.   //隨機(jī)字符串獲取 
46.   // $nonceStr = $this->createNonceStr(); 
47.   // 這里參數(shù)的順序要按照 key 值 ASCII 碼升序排序 
48.   $string=$timestamp.$apiTicket."car_id";//card_id為自己創(chuàng)建的會(huì)員卡的id 
49.   //生成字符串是用來(lái)簽名用的 
50.   $signature= sha1($string); 
51.   $signPackage=array( 
52.    "timestamp"=>$timestamp, 
53.    "signature"=>$signature, 
54.   ); 
55.   return$signPackage; 
56.  } 
57.  //獲取會(huì)員卡的api_ticket 
58.  publicfunctiongetApiTicket(){ 
59.  $data= json_decode(file_get_contents("api_ticket.json")); 
60.   if($data->expire_time < time()) { 
61.    $accessToken=$this->getAccessToken(); 
62.    $url="https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=wx_card&access_token=$accessToken"; 
63.    $res= json_decode($this->httpGet($url)); 
64.    $ticket=$res->ticket; 
65.    if($ticket) { 
66.     $data->expire_time = time() + 7000; 
67.     $data->jsapi_ticket =$ticket; 
68.     $fp=fopen("api_ticket.json","w"); 
69.     fwrite($fp, json_encode($data)); 
70.     fclose($fp); 
71.    } 
72.   }else{ 
73.    $ticket=$data->jsapi_ticket; 
74.   } 
75.   return$ticket; 
76.  } 
77.  //獲取隨機(jī)字符串 
78.  privatefunctioncreateNonceStr($length= 16) { 
79.   $chars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; 
80.   $str=""; 
81.   for($i= 0;$i<$length;$i++) { 
82.    $str.=substr($chars, mt_rand(0,strlen($chars) - 1), 1); 
83.   } 
84.   return$str; 
85.  } 
86.   //獲取Access Token 
87.   publicfunctiongetAccessToken(){ 
88.   //將json字符串轉(zhuǎn)換為json對(duì)象（json_encode是將數(shù)組轉(zhuǎn)換為json字符串，json_decode("",true) 如果加true是將json字符串轉(zhuǎn)化為php數(shù)組，不加true轉(zhuǎn)換為PHP對(duì)象） 
89.   $data= json_decode(file_get_contents("access_token.json")); 
90.   if($data->expire_time < time()) { 
91.    // 如果是企業(yè)號(hào)用以下URL獲取access_token 
92.    $url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appid&secret=$this->appsecret"; 
93.    $res= json_decode($this->httpGet($url)); 
94.    $access_token=$res->access_token; 
95.  if($access_token) { 
96.     $data->expire_time = time() + 7000; 
97.     $data->access_token =$access_token; 
98.     $fp=fopen("access_token.json","w"); 
99.     fwrite($fp, json_encode($data)); 
100.     fclose($fp); 
101.  } 
102.   }else{ 
103.    $access_token=$data->access_token; 
104.   } 
105.   return$access_token; 
106.   } 
107.  //獲取jsapi_ticket(jsapi_ticket是公眾號(hào)用于調(diào)用微信JS接口的臨時(shí)票據(jù)) 
108.   privatefunctiongetJsApiTicket() { 
109.   // jsapi_ticket 應(yīng)該全局存儲(chǔ)與更新，以下代碼以寫入到文件中做示例 
110.   $data= json_decode(file_get_contents("jsapi_ticket.json")); 
111.   if($data->expire_time < time()) { 
112.    $accessToken=$this->getAccessToken(); 
113.    // 如果是企業(yè)號(hào)用以下 URL 獲取 ticket 
114.    // $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken"; 
115.    $url="https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken"; 
116.    $res= json_decode($this->httpGet($url)); 
117.    $ticket=$res->ticket; 
118.    if($ticket) { 
119.     $data->expire_time = time() + 7000; 
120.     $data->jsapi_ticket =$ticket; 
121.     $fp=fopen("jsapi_ticket.json","w"); 
122.     fwrite($fp, json_encode($data)); 
123.     fclose($fp); 
124.    } 
125.   }else{ 
126.    $ticket=$data->jsapi_ticket; 
127.   } 
128.   return$ticket; 
129.  } 
130.   //獲取用戶的openid 
131.   publicfunctionopenId(){ 
132.   $url=$_SERVER['HTTP_HOST'] .$_SERVER['REQUEST_URI']; 
133.     if(!isset($_GET['code'])) { 
134.      //獲取組裝的url 
135.       $openidUrl=$this->snsapi_base($url); 
136.       redirect($openidUrl); 
137.     }else{ 
138.       $openidAccess_token=$this->openidAccess_token($_GET['code']); 
139.       return$openidAccess_token; 
140.     } 
141.   } 
142.    //獲取微信用戶的opnid 
143.   publicfunctiongetOpenId($openid,$access_token) 
144.   { 
145.     $userInfo=$this->getUserInfo($openid,$access_token); 
146.     return$userInfo; 
147.   } 
148.    publicfunctionsnsapi_base($redirect_uri,$scope="snsapi_userinfo",$state= 0) 
149.   { 
150.     $appId=$this->appid; 
151.     $url="https://open.weixin.qq.com/connect/oauth2/authorize"; 
152.     $url.="?appid=$appId"; 
153.     $url.="&redirect_uri=http://$redirect_uri"; 
154.     $url.="&response_type=code"; 
155.     $url.="&scope=$scope"; 
156.     $url.="&state=$state#wechat_redirect"; 
157.     return$url; 
158.   } 
159. publicfunctionopenidAccess_token($code){ 
160.     $appId=$this->appid; 
161.     $appSecret=$this->appsecret; 
162.     $url="https://api.weixin.qq.com/sns/oauth2/access_token?appid=$appId&secret=$appSecret&code=$code&grant_type=authorization_code"; 
163.     returnjson_decode($this->httpGet($url),true); 
164.   } 
165.   //獲取用戶信息 
166.   publicfunctiongetUserInfo($openid,$access_token){ 
167.   $url="https://api.weixin.qq.com/sns/userinfo?access_token=$access_token&openid=$openid&lang=zh_CN "; 
168.     returnjson_decode($this->httpGet($url),true); 
169.    //請(qǐng)求 
170.   } 
171. privatefunctionhttpGet($url) { 
172.   $curl= curl_init(); 
173.   curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); 
174.   curl_setopt($curl, CURLOPT_TIMEOUT, 500); 
175.   curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); 
176.   curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false); 
177.   curl_setopt($curl, CURLOPT_URL,$url); 
178.   $res= curl_exec($curl); 
179.   curl_close($curl); 
180.   return$res; 
181.  } 
182. }