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使用微信JSSDK自定义分享内容

2024-11-26 00:02:38   203人阅读

微信在6.0.2.58版本以后开始使用新的api，在Android系统中不能用以前的代码来自定义分享内容了。

 

现在自定义内容的方法走的是公众号的一套流程

1获取access_token

2得到token后获取jsapi_ticket

3得到ticket后将ticket用sha1算法加密。

这里加密的数据是ticket+time()+随机字符串+url

 

code：

<?phprequire_once "jssdk.php";$jssdk = new JSSDK("APPID","APPSECRET");$signPackage = $jssdk->GetSignPackage();?><!DOCTYPE html><html lang="en">..<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script><script>      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: [      // 所有要调用的 API 都要加到这个列表中      ‘onMenuShareTimeline‘,      ‘onMenuShareAppMessage‘,      ‘onMenuShareQQ‘,      ‘onMenuShareWeibo‘    ]  });      //自定义内容    var dataForWeixin = {    title: title,    desc: desc,    imgUrl: imgUrl,    link: link  };  wx.ready(function () {    wx.onMenuShareTimeline({      title: dataForWeixin.title, // 分享标题      link: dataForWeixin.link, // 分享链接      imgUrl: dataForWeixin.imgUrl    });    wx.onMenuShareAppMessage({      title: dataForWeixin.title,      desc: dataForWeixin.desc,      link: dataForWeixin.link,      imgUrl: dataForWeixin.imgUrl    });    wx.onMenuShareQQ({      title: dataForWeixin.title,      desc: dataForWeixin.desc,      link: dataForWeixin.link,      imgUrl: dataForWeixin.imgUrl    });    wx.onMenuShareWeibo({      title: dataForWeixin.title,      desc: dataForWeixin.desc,      link: dataForWeixin.link,      imgUrl: dataForWeixin.imgUrl    });  });</html>

　　

jssdk.php：
<?phpclass 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 一定要动态获取，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();    // 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    $data = json_decode(file_get_contents("jsapi_ticket.json"));    if ($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;        $fp = fopen("jsapi_ticket.json", "w");        fwrite($fp, json_encode($data));        fclose($fp);      }    } else {      $ticket = $data->jsapi_ticket;    }    return $ticket;  }  private function getAccessToken() {    // access_token 应该全局存储与更新，以下代码以写入到文件中做示例    $data = json_decode(file_get_contents("access_token.json"));    if ($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;        $fp = fopen("access_token.json", "w");        fwrite($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;  }}

同时为了减少服务器压力，将获取到的token和ticket保存在本地

{"access_token":"","expire_time":0}
{"jsapi_ticket":"","expire_time":0}

效果

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