PHP部分
擴充套件類程式碼部分:
<?php
namespace Think;
class JsSdk {
private $appId;
private $appSecret;
public $debug = false;
public function __construct($appId, $appSecret) {
$this->appId = $appId;
$this->appSecret = $appSecret;
}
public function getSignPackage() {
$jsapiTicket = $this->getJsApiTicket();
$url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$timestamp = time();
$nonceStr = $this->createNonceStr();
// 這裡引數的順序要按照 key 值 ASCII 碼升序排序
$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url";
$signature = sha1($string);
$signPackage = array(
"appId" => $this->appId,
"nonceStr" => $nonceStr,
"timestamp" => $timestamp,
"url" => $url,
"signature" => $signature,
"rawString" => $string
);
return $signPackage;
}
private function createNonceStr($length = 16) {
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
$str = "";
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
private function getJsApiTicket() {
//debug模式
if ($this->debug) {
// jsapi_ticket 應該全域性儲存與更新，以下程式碼以寫入到檔案中做示例
$data = json_decode(file_get_contents("jsapi_ticket.json"));
} else {
//從cache中讀取，基於ThinkPHP的快取機制
$data = (object)(S('jsapi_ticket_json'));
}
if ($data->expire_time < time()) {
$accessToken = $this->getAccessToken();
$url = "http://api.weixin.qq.com/cgi-bin/ticket/getticket?type=1&access_token=$accessToken";
$res = json_decode($this->httpGet($url));
$ticket = $res->ticket;
if ($ticket) {
$data->expire_time = time() + 7200;
$data->jsapi_ticket = $ticket;
//debug模式
if ($this->debug) {
$fp = fopen("jsapi_ticket.json", "w");
fwrite($fp, json_encode($data));
fclose($fp);
} else {
//將物件以陣列的形式進行快取
S('jsapi_ticket_json', (array)$data);
}
}
} else {
$ticket = $data->jsapi_ticket;
}
return $ticket;
}
private function getAccessToken() {
//debug模式
if ($this->debug) {
// access_token 應該全域性儲存與更新，以下程式碼以寫入到檔案中做示例
$data = json_decode(file_get_contents("access_token.json"));
dump($data);
die();
} else {
//從快取中讀取陣列並轉成物件
$data = (Object)(S('access_token.json'));
}
if ($data->expire_time < time()) {
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential
&appid=$this->appId&secret=$this->appSecret";
$res = json_decode($this->httpGet($url));
$access_token = $res->access_token;
if ($access_token) {
$data->expire_time = time() + 7000;
$data->access_token = $access_token;
//debug模式
if ($this->debug) {
$fp = fopen("access_token.json", "w");
fwrite($fp, json_encode($data));
fclose($fp);
} else {
//快取陣列
S('access_token.json', (array)$data);
}
}
} else {
$access_token = $data->access_token;
}
return $access_token;
}
private function httpGet($url) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 500);
curl_setopt($curl, CURLOPT_URL, $url);
$res = curl_exec($curl);
//錯誤檢測
$error = curl_error($curl);
curl_close($curl);
//發生錯誤，丟擲異常
if($error) throw new \Exception('請求發生錯誤(表檢查是否在授權域名下訪問)：' . $error);
return $res;
}
}
控制器部分程式碼：
public function reurnWeixinCode() {
$jssdk = new \Think\Jssdk(WX_GONGZHONGHAO_APPID, WX_GONGZHONGHAO_APPSECRET);
$signPackage = $jssdk->GetSignPackage();
return $signPackage;
}
Html部分
<script type="text/javascript">
var imgUrl = "{$img_url}";
var link = "{$huodong_url}";
var descContent = '{$desc}';
var shareTitle = '{$title}';
var appid = '';
</script>
<script type="text/javascript" src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js";></script>
<script type="text/javascript">
wx.config({
// debug: true, // 開啟除錯模式,呼叫的所有api的返回值會在客戶端alert出來，若要檢視傳入的引數，
可以在pc端開啟，引數資訊會通過log打出，僅在pc端時才會列印。
appId: '{$signPackage['appId']}', // 必填，公眾號的唯一標識
timestamp: {$signPackage['timestamp']}, // 必填，生成簽名的時間戳
nonceStr: '{$signPackage['nonceStr']}', // 必填，生成簽名的隨機串
signature: '{$signPackage['signature']}',// 必填，簽名，見附錄1
jsApiList: [
'onMenuShareTimeline',
'onMenuShareAppMessage',
'onMenuShareQQ',
'onMenuShareWeibo'
] // 必填，需要使用的JS介面列表，所有JS介面列表見附錄2
});
wx.ready(function(){
//朋友圈
wx.onMenuShareTimeline({
title: shareTitle,
link: link,
imgUrl: imgUrl,
trigger: function (res) {
// alert('使用者點選並朋友圈');
},
success: function () {
// 使用者確認分享後執行的回撥函式
//alert('Timeline分享成功');
},
cancel: function () {
// 使用者取消分享後執行的回撥函式
// alert('您取消了分享Timeline');
}
});
wx.onMenuShareAppMessage({
title: shareTitle,
link: link,
desc: descContent,
imgUrl: imgUrl,
type: '', // 分享型別,music、video或link，不填預設為link
dataUrl: '', // 如果type是music或video，則要提供資料連結，預設為空
success: function () {
// alert('分享給朋友分享成功');
},
cancel: function () {
// alert('您取消了分享給朋友');
}
});
wx.onMenuShareQQ({
title: shareTitle,
desc: descContent,
link: link,
imgUrl: imgUrl,
success: function () {
// alert('qq分享成功');
},
cancel: function () {
// alert('您取消了分享給qq');
}
});
wx.onMenuShareWeibo({
title: shareTitle,
desc: descContent,
link: link,
imgUrl: imgUrl,
success: function () {
// alert('weibo分享成功');
},
cancel: function () {
// alert('weibo取消');
}
});
// config資訊驗證後會執行ready方法，所有介面呼叫都必須在config介面獲得結果之後，
config是一個客戶端的非同步操作，所以如果需要在頁面載入時就呼叫相關介面，
則須把相關介面放在ready函式中呼叫來確保正確執行。對於使用者觸發時才呼叫的介面，
則可以直接呼叫，不需要放在ready函式中。
});
wx.error(function (res) {
// alert(res.errMsg);
});
</script>