php 微信JS-SDK封装类

wx.config({

    debug: true, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。

    appId: ‘‘, // 必填，公众号的唯一标识

    timestamp: , // 必填，生成签名的时间戳

    nonceStr: ‘‘, // 必填，生成签名的随机串

    signature: ‘‘,// 必填，签名

    jsApiList: [] // 必填，需要使用的JS接口列表

});

class jsControl{
    //$store_id是店铺id用来去数据库中查询这个店铺当前的微信公众号信息，appid,appsecret等信息
/**
*@param int $store_id 店铺id用于到数据库中获取店铺微信公众号的配置信息
*@return  返回config接口注入权限验证配置信息
**/
  public function getJsConfigInfo($store_id = 0){
    if(!$this->checkIsInWeixin()){
        return [];
    }
    if(!$store_id){
        $store_id = intval($_SESSION[‘store_member_info_ID‘] ?: ($_SESSION[‘route_store_id‘] ?: ($_GET[‘store_id‘] ?: $_SESSION[‘store_id‘])));
    }
    if(empty($store_id)){
        return [];
    }
    $store_info  = Model()->table(‘store_wxinfo‘)->where([‘store_id‘ => $store_id])->find();//查询店铺公众号配置信息
    if(empty($store_info)){
        return [];
    }
    $tickets = $this->get_jsapi_ticket($store_info[‘store_id‘], $store_info[‘appid‘], $store_info[‘appsecret‘]);
    if(empty($tickets)){
        return [];
    }
    $nonceStr = $this->getNonceStr();
    $timestamp = TIMESTAMP;
    $url = $this->getSelfLink();
    $string1    = "jsapi_ticket={$tickets}&noncestr={$nonceStr}&timestamp={$timestamp}&url={$url}";
    $signature  = sha1($string1);
    return [
        ‘debug‘ => false,
        ‘appId‘ => $store_info[‘appid‘],
        ‘timestamp‘ => $timestamp,
        ‘nonceStr‘ => $nonceStr,
        ‘signature‘ => $signature,
        ‘jsApiList‘ => [‘onMenuShareTimeline‘,‘onMenuShareAppMessage‘,‘onMenuShareQQ‘,‘onMenuShareWeibo‘,‘onMenuShareQZone‘,‘startRecord‘,‘stopRecord‘,‘onVoiceRecordEnd‘,‘playVoice‘,‘pauseVoice‘,‘stopVoice‘,‘onVoicePlayEnd‘,‘uploadVoice‘,‘downloadVoice‘,‘chooseImage‘,‘previewImage‘,‘uploadImage‘,‘downloadImage‘,‘translateVoice‘,‘getNetworkType‘,‘openLocation‘,‘getLocation‘,‘hideOptionMenu‘,‘showOptionMenu‘,‘hideMenuItems‘,‘showMenuItems‘,‘hideAllNonBaseMenuItem‘,‘showAllNonBaseMenuItem‘,‘closeWindow‘,‘scanQRCode‘,‘chooseWXPay‘,‘openProductSpecificView‘,‘addCard‘,‘chooseCard‘,‘openCard‘]
    ];
   }


   public function getSelfLink(){
    $protocol   = strpos(strtolower($_SERVER[‘SERVER_PROTOCOL‘]), ‘https‘) !== false ? ‘https://‘ : ‘http://‘;
    $host       = $protocol . $_SERVER[‘HTTP_HOST‘];
    $url        = $host . $_SERVER[‘REQUEST_URI‘];
    return $url;
   }
   public function getNonceStr(){
        $chars  = ‘abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789‘;
        $str    = ‘‘;
        for ($i = 0; $i < 16; $i++) {
            $str .= $chars{mt_rand(0, strlen($chars) - 1)};
        }
        return $str;
   }
   public function _get_access_token($store_id,$appid,$appsecret){
        $token = rkcache("access_token_$store_id");
        if(!empty($token)){
            $token = unserialize($token);
        }else{
            $token = array();
        }
        if(empty($token) || time()-$token[‘create_time‘] > 7200){
            $uri   = ‘https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=‘.$appid.‘&secret=‘.$appsecret;
            $token = curl($uri);
            $token = json_decode($token,true);
            if(!isset($token[‘access_token‘]) || empty($token[‘access_token‘])){
                return ‘‘;
            }
            $token[‘create_time‘]=time();
            wkcache("access_token_$store_id",serialize($token));
        }
        return $token[‘access_token‘];
    }
    function get_jsapi_ticket($store_id,$appid,$appsecret) {
        $tickets = rkcache("jsapi_ticket_$store_id");
        if ($tickets) {
            $tickets = unserialize($tickets);
        }
        if (empty($tickets) || time() - $tickets[‘create_time‘] >= 7200) {
            $access_token = $this->_get_access_token($store_id,$appid,$appsecret);
            if (‘‘ == $access_token) {
                return ‘‘;
            }
            $uri     = ‘https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=‘ . $access_token . ‘&type=jsapi‘;
            $tickets = curl($uri);
            $tickets = json_decode($tickets, true);
            if (empty($tickets[‘ticket‘])) {
                return ‘‘;
            }
            $tickets[‘create_time‘] = time();
            wkcache("jsapi_ticket_$store_id", serialize($tickets));
        }
        return $tickets[‘ticket‘];
    }

   protected function checkIsInWeixin() {
      if (strpos($_SERVER[‘HTTP_USER_AGENT‘], ‘MicroMessenger‘) !== false) {
         return true;
      }
      return false;
   }

}

<script src="http://res.wx.qq.com/open/js/jweixin-1.2.0.js"></script>
<script type="javascript/text" > 

var wx_data = <?php echo json_encode($output[‘jsapi_config‘]); ?>;
    var member_info = <?php echo json_encode($output[‘member_info‘]);?>;
    var goods_img = $("#goods_img").find("img").attr("src");
    wx.config(wx_data);
    if($.isEmptyObject(wx_data.appId)){
        alert(‘请在微信中打开分享‘);
    }
    var sharedata = {
        title    : "<?php  echo $output[‘goods_info‘][0][‘goods_name‘];?>",
        desc     :‘你的朋友：‘ + member_info.member_name + ‘ 给你分享了好商品,快来看看吧‘,
        imgUrl   : goods_img,
        link     :"<?php echo $output[‘link_url‘]; ?>",
        success: function(){
        },
        cancel: function(){
        }
    };
    wx.ready(function () {
        wx.onMenuShareAppMessage(sharedata);
        wx.onMenuShareTimeline(sharedata);
    });
</script>