TP5调用微信JSSDK 教程 —— 之异步使用

细节请参考前一篇文章：
JSSDK.PHP 修改下：

 <?php
 namespace jssdk;

 class Jssdk {
   private $appId;
   private $appSecret;
   private $url;

   public function __construct($appId, $appSecret,$url) {
     $this->appId = $appId;
     $this->appSecret = $appSecret;
     $this->url = $url;
   }

   public function getSignPackage() {
     $jsapiTicket = $this->getJsApiTicket();

     // 注意 URL 一定要动态获取，不能 hardcode.
     $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
 //    $url = "$protocol$_SERVER[SERVER_NAME]$_SERVER[REQUEST_URI]";
     $url = $this->url;

     $timestamp = time();
     $nonceStr = $this->createNonceStr();

     // 这里参数的顺序要按照 key 值 ASCII 码升序排序
     $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr&timestamp=$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 应该全局存储与更新，以下代码以写入到文件中做示例
     $data = json_decode($this->get_php_file(EXTEND_PATH .'jssdk'. DS ."jsapi_ticket.php"));
     if ($data->expire_time < time()) {
       $accessToken = $this->getAccessToken();
       // 如果是企业号用以下 URL 获取 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;
         $this->set_php_file("jsapi_ticket.php", json_encode($data));
       }
     } else {
       $ticket = $data->jsapi_ticket;
     }

     return $ticket;
   }

   private function getAccessToken() {
     // access_token 应该全局存储与更新，以下代码以写入到文件中做示例
     $data = json_decode($this->get_php_file(EXTEND_PATH .'jssdk'. DS ."access_token.php"));
     if ($data->expire_time < time()) {
       // 如果是企业号用以下URL获取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;
         $this->set_php_file("access_token.php", json_encode($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_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;
   }

   private function get_php_file($filename) {
     return trim(substr(file_get_contents($filename), 15));
   }
   private function set_php_file($filename, $content) {
     $fp = fopen($filename, "w");
     fwrite($fp, "<?php exit();?>" . $content);
     fclose($fp);
   }
 }

controller:

        $config = config('wxConfig');
        $jssdk = new Jssdk($config['id'], $config['secret'],$sign_url);
        $signPackage = $jssdk->GetSignPackage();
        return json(['code'=>1,'msg'=>'success!','data'=>$signPackage],200);

前端：

    <script src="/h/js/jquery.min.js?v=2.1.4"></script>
    <script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
    <script src="/static/js/share_wx.js"></script>
    <script>
        $.fn.share_wx({
            desc: "xx",
            imgUrl: "xxurl"
        });
    </script>

share_wx:

 /**
  * author:xuguo
  * weixin jssdk
  * xx.com
  */
 (function($){
     var share_wx = {};
     /**
      *
      * @param obj  设置微信分享的信息
      * {
      *   title: "xx",
      *   desc: "xx",
      *   link: "xx",
      *   imgUrl: "xx"
      * }
      */
     share_wx.share_wx = function(obj) {
         var url = location.href.split('#')[0];
         $.ajax({
             url:'/index/index/share_wx',
             type:"get",
             data:{'sign_url':url},
             success:function (data) {
                 if(data.code == 1){
                     wx_(data.data)
                 }
             }
         });

         /**
          *
          * @param options
          * @private
          */
         function wx_(options) {
             wx.config({
                 debug: false,
                 appId: options.appId,
                 timestamp: options.timestamp,
                 nonceStr: options.nonceStr,
                 signature: options.signature,
                 jsApiList: [
                     "checkJsApi",
                     "onMenuShareTimeline",
                     "onMenuShareAppMessage",
                     "onMenuShareQQ",
                     "onMenuShareWeibo",
                     "onMenuShareQZone"
                 ]
             });
             wx.ready(function() {
                 var shareData = obj;
                 wx.onMenuShareAppMessage(shareData);
                 wx.onMenuShareTimeline(shareData);
                 wx.onMenuShareQQ(shareData);
                 wx.onMenuShareWeibo(shareData);
                 wx.onMenuShareQZone(shareData);
             });
         }
     };
     $.fn.extend(share_wx);
 })(jQuery);