<?php
class JSSDK {
 private $appId;
 private $appSecret;
 
 public function __construct($appId, $appSecret) {
 $this->appId = $appId;
 $this->appSecret = $appSecret;
 }
 
 public function getSignPackage() {
 $jsapiTicket = $this->getJsApiTicket();
 
 // 注意 URL 一定要動態(tài)獲取，不能 hardcode.
 $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
 $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
 
 $timestamp = time();
 $nonceStr = $this->createNonceStr();
 
 // 這里參數(shù)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() {
 // jsapi_ticket 應(yīng)該全局存儲與更新，以下代碼以寫入到文件中做示例
 $data = json_decode(file_get_contents("jsapi_ticket.json"));
 if ($data->expire_time < time()) {
  $accessToken = $this->getAccessToken();
  // 如果是企業(yè)號用以下 URL 獲取 ticket
  // $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";
  $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
  $res = json_decode($this->httpGet($url));
  $ticket = $res->ticket;
  if ($ticket) {
  $data->expire_time = time() + 7000;
  $data->jsapi_ticket = $ticket;
  $fp = fopen("jsapi_ticket.json", "w");
  fwrite($fp, json_encode($data));
  fclose($fp);
  }
 } else {
  $ticket = $data->jsapi_ticket;
 }
 
 return $ticket;
 }
 
 private function getAccessToken() {
 // access_token 應(yīng)該全局存儲與更新，以下代碼以寫入到文件中做示例
 $data = json_decode(file_get_contents("access_token.json"));
 if ($data->expire_time < time()) {
  // 如果是企業(yè)號用以下URL獲取access_token
  // $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret";
  $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$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;
  $fp = fopen("access_token.json", "w");
  fwrite($fp, json_encode($data));
  fclose($fp);
  }
 } 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_SSL_VERIFYPEER, false);
 curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
 curl_setopt($curl, CURLOPT_URL, $url);
 
 $res = curl_exec($curl);
 curl_close($curl);
 
 return $res;
 }
}
$jssdk = new JSSDK("wx6b3844d6802f74aa", "c8710c8f4e0afce7611f5cd0013c4573");
$signPackage = $jssdk->GetSignPackage();
?>
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<script>
 /*
 * 注意：
 * 1. 所有的JS接口只能在公眾號綁定的域名下調(diào)用，公眾號開發(fā)者需要先登錄微信公眾平臺進入“公眾號設(shè)置”的“功能設(shè)置”里填寫“JS接口安全域名”。
 * 2. 如果發(fā)現(xiàn)在 Android 不能分享自定義內(nèi)容，請到官網(wǎng)下載最新的包覆蓋安裝，Android 自定義分享接口需升級至 6.0.2.58 版本及以上。
 * 3. 常見問題及完整 JS-SDK 文檔地址：http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html
 *
 * 開發(fā)中遇到問題詳見文檔“附錄5-常見錯誤及解決辦法”解決，如仍未能解決可通過以下渠道反饋：
 * 郵箱地址：weixin-open@qq.com
 * 郵件主題：【微信JS-SDK反饋】具體問題
 * 郵件內(nèi)容說明：用簡明的語言描述問題所在，并交代清楚遇到該問題的場景，可附上截屏圖片，微信團隊會盡快處理你的反饋。
 */
 wx.config({
 debug: false,
 appId: '<?php echo $signPackage["appId"];?>',
 timestamp: <?php echo $signPackage["timestamp"];?>,
 nonceStr: '<?php echo $signPackage["nonceStr"];?>',
 signature: '<?php echo $signPackage["signature"];?>',
 jsApiList: ['onMenuShareTimeline',
 'onMenuShareAppMessage'
  // 所有要調(diào)用的 API 都要加到這個列表中
 ]
 });
 wx.ready(function () {
//分享朋友
 wx.onMenuShareAppMessage({ 
  title: '你的分享標(biāo)題', // 分享標(biāo)題
  desc: '你的分享描述', // 分享描述
  link: "你的鏈接?pid=<?php echo $userone['id']?>", // 分享鏈接
  imgUrl: '圖片地址', // 分享圖標(biāo)
  type: '', // 分享類型,music、video或link，不填默認(rèn)為link
  dataUrl: '', // 如果type是music或video，則要提供數(shù)據(jù)鏈接，默認(rèn)為空
  success: function () { 
   //alert('成功分享到您的朋友');
  },
  cancel: function () { 
 //alert('取消分享到您的朋友');
  // 用戶取消分享后執(zhí)行的回調(diào)函數(shù)
  }
 });
 
 //朋友圈
 wx.onMenuShareTimeline({
  title: '你的分享標(biāo)題', // 分享標(biāo)題
  desc: '你的分享描述', // 分享描述
  link: "你的鏈接?pid=<?php echo $userone['id']?>", // 分享鏈接
  imgUrl: '圖片地址', // 分享圖標(biāo)
  success: function () { 
  // 用戶確認(rèn)分享后執(zhí)行的回調(diào)函數(shù)
  },
  cancel: function () { 
  // 用戶取消分享后執(zhí)行的回調(diào)函數(shù)
  }
 });
 
 });
</script>