最新微信公眾平臺js sdk整合PHP版

weixin_34262482發表於2015-01-22
JSPHP

由於沒有持續關注微信公眾平臺相關的開發，所以看到這個東西時，都沒有耐心看完開發文件，或者不知道重點。

 

重點在哪呢？重點在示例程式碼：http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html#.E9.99.84.E5.BD.956-DEMO.E9.A1.B5.E9.9D.A2.E5.92.8C.E7.A4.BA.E4.BE.8B.E4.BB.A3.E7.A0.81

新版的sdk，變得對開發人員非常友好，直接支援除錯模式、回撥資訊處理等特性。

 

<?php
class JSSDK {
  private $appId;
  private $appSecret;

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

  public function getSignPackage() {
    $jsapiTicket = $this->getJsApiTicket();
    $protocol = (!empty($_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() {
    // 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
    $data = json_decode(file_get_contents("jsapi_ticket.json"));
    if ($data->expire_time < time()) {
      $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 = $res->ticket;
      if ($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
    $data = json_decode(file_get_contents("access_token.json"));
    if ($data->expire_time < time()) {
      // 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 = $res->access_token;
      if ($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;
  }
}

 

demo

 

<?php
require_once "jssdk.php";
$jssdk = new JSSDK("yourAppID", "yourAppSecret");
$signPackage = $jssdk->GetSignPackage();
?>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title></title>
</head>
<body>
  
</body>
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<script>
  /*
   * 注意：
   * 1. 所有的JS介面只能在公眾號繫結的域名下呼叫，公眾號開發者需要先登入微信公眾平臺進入“公眾號設定”的“功能設定”裡填寫“JS介面安全域名”。
   * 2. 如果發現在 Android 不能分享自定義內容，請到官網下載最新的包覆蓋安裝，Android 自定義分享介面需升級至 6.0.2.58 版本及以上。
   * 3. 常見問題及完整 JS-SDK 文件地址：http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html
   *
   * 開發中遇到問題詳見文件“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
   * 郵件內容說明：用簡明的語言描述問題所在，並交代清楚遇到該問題的場景，可附上截圖圖片，微信團隊會盡快處理你的反饋。
   */
  wx.config({
    debug: true,
    appId: '<?php echo $signPackage["appId"];?>',
    timestamp: <?php echo $signPackage["timestamp"];?>,
    nonceStr: '<?php echo $signPackage["nonceStr"];?>',
    signature: '<?php echo $signPackage["signature"];?>',
    jsApiList: [
      // 所有要呼叫的 API 都要加到這個列表中
    ]
  });
  wx.ready(function () {
    // 在這裡呼叫 API
  });
</script>
</html>

 

 
 

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