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微信JSSDK分享功能詳解

本文以微信分享到朋友圈,分享給微信好友為例為參考,進行呼叫測試,想新增其他的功能,自行檢視開發人員文件即可

工欲善其事,必先利其器,好好利用下邊的幫助工具,都是騰訊給開發人員的工具

1.微信開發者說明文件:點選檢視

2.微信WEB開發者工具:

Windows 64位版本:下載地址

Windows 32位版本:下載地址

Mac版本:下載地址

3.微信JSSDK分享sample:點選下載

微信版本6.0以後,原有的WeixinJSBridge.on('menu:share:timeline', function (argv) {}不再可在以使用,那如何在使用微信的其他功能呢?官方給出了JSSDK的使用,幫助我們解決~


前言:

雖然微信提供了JSSDK,但是這不意味著你可以用自定義的按鈕來直接開啟微信的分享介面,這套JSSDK只是把微信分享介面的內容定義好了,實際還是需要使用者點選右上角的選單按鈕進行主動的分享,使用者點開分享介面之後,出現的內容就會是你定義的分享標題、圖片和連結

  • 2.實測圖解
  • 2.1 測試頁面:

2.2分享到朋友圈:


2.3分享到朋友圈:
(這個是觸發success的效果,配圖描述寫錯了,抱歉) (這個是觸發cancel的效果)


2.3除錯介面:



後臺程式碼(jssdk.php見後邊):

	//獲取apptoken
	require_once "jssdk.php";
	$jssdk = new JSSDK($appid,$appsecret);//這裡填寫自己的appid 和secret
	$signPackage = $jssdk->GetSignPackage();
	$this->assign("signPackage",$signPackage);

JS配置程式碼

<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: false,
    appId: '{$signPackage["appId"]}',
    timestamp: '{$signPackage["timestamp"]}',
    nonceStr: '{$signPackage["nonceStr"]}',
    signature: '{$signPackage["signature"]}',
    jsApiList: [
      // 所有要呼叫的 API 都要加到這個列表中
        'checkJsApi',
        'onMenuShareTimeline',
        'onMenuShareAppMessage',
        'onMenuShareQQ',
        'onMenuShareWeibo',
        'onMenuShareQZone'
    ]
  });
  </script>
  <script type="text/javascript" src='http://203.195.235.76/jssdk/js/zepto.min.js'></script>


JS分享程式碼:

<script type="text/javascript">
        //完成wx.config,執行這裡
         wx.ready(function () {
             //分享到朋友圈
             wx.onMenuShareTimeline({
                 title: '1111111', // 分享標題
                 link:window.location.href,
                 imgUrl: "{pigcms:$res['pic']}", // 分享圖示
                 success: function () {
		    // 分享成功執行此回撥函式
                    alert('success');
                 },
                 cancel: function () {
                    alert('cancel');
                 }
             });

             //分享給朋友
             wx.onMenuShareAppMessage({
                 title: '22222', // 分享標題
                 desc: '22222',
                 link:window.location.href,
                 imgUrl: "{pigcms:$res['pic']}", // 分享圖示
                 trigger: function (res) {
                     // 不要嘗試在trigger中使用ajax非同步請求修改本次分享的內容,因為客戶端分享操作是一個同步操作,這時候使用ajax的回包會還沒有返回
                 },
                 success: function (res) {
		     // 分享成功執行此回撥函式
                     alert('已分享');
                 },
                 cancel: function (res) {
                     alert('已取消');
                 },
                 fail: function (res) {
                     alert(JSON.stringify(res));
                 }
             });
         });

</script>



JSSDK類

jssdk.php

<?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();

    // 這裡引數的順序要按照 key 值 ASCII 碼升序排序
    $string = "jsapi_ticket=$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() {
    
      $accessToken = $this->getAccessToken();
     
      // 如果是企業號用以下 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;
      
    return $ticket;
  }

  private function getAccessToken() {
    // 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
    // 如果是企業號用以下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;
     
    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;
  }
}