php实现微信分享朋友圈

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php实现微信分享朋友圈

class JSSDK {
  private $appId;
  private $appSecret;

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

  public function getSignPackage() {
    $jsapiTicket = $this->getJsApiTicket();
    $url = "http://$_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();
      $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$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()) {
      $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$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_URL, $url);

    $res = curl_exec($curl);
    curl_close($curl);

    return $res;
  }
}




$appid = 'wx8304ad33eda1cbfe';
$appsecret = '48f9a8342d4db04cb7b9abe1d4bc99b7';
$jssdk = new JSSDK($appid,$appsecret);
$signPackage = $jssdk->GetSignPackage();
extract(array("signPackage"=>$signPackage));

include("./wxindex2.html");


前端js实现


<script>                                             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: [                     // 所有要调用的 API 都要加到这个列表中                          'onMenuShareTimeline',                          'onMenuShareAppMessage'                   ]                 });                                               wx.ready(function(){                      wx.onMenuShareTimeline({                         title:'看了我的购物车,马云都给跪了!', // 分享标题                         link: 'http://www.flyinjoy.com/wxcallback/share.php?preview='+'<?php echo $preview; ?>'+'&inname='+'<?php echo $_GET['inname'] ?>'+'&bg_img='+'<?php echo $bg_img; ?>', // 分享链接                         imgUrl: 'http://www.flyinjoy.com/wxcallback/imges/LOGO.jpg', // 分享图标                         desc:'扫扫二维码,微信关注“飞享购”,你也可以晒出属于你的购物车!',                         success: function () {                              // 用户确认分享后执行的回调函数                             alert("分享成功");                         },                         cancel: function () {                              // 用户取消分享后执行的回调函数                         }                     });                      wx.onMenuShareAppMessage({                         title: '看了我的购物车,马云都给跪了!', // 分享标题                         desc: '扫扫二维码,微信关注“飞享购”,你也可以晒出属于你的购物车!', // 分享描述                         link: 'http://www.flyinjoy.com/wxcallback/share.php?preview='+'<?php echo $preview; ?>'+'&inname='+'<?php echo $_GET['inname'] ?>'+'&bg_img='+'<?php echo $bg_img; ?>', // 分享链接                         imgUrl: 'http://www.flyinjoy.com/wxcallback/imges/LOGO.jpg', // 分享图标                         type: '', // 分享类型,music、video或link,不填默认为link                         dataUrl: '', // 如果type是music或video,则要提供数据链接,默认为空                         success: function () {                              // 用户确认分享后执行的回调函数                             alert("分享成功");                         },                         cancel: function () {                              // 用户取消分享后执行的回调函数                         }                     });                                   })           </script>

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