解决微信屏蔽内置浏览器的下载功能以及如何跳转到手机默认浏览器下载的实现

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function isWx(){//判断是否为微信
    var ua = window.navigator.userAgent.toLowerCase();
    if(ua.match(/MicroMessenger/i) == ‘micromessenger‘){
        return true;
    }
    return false;
};
if(isWx()){//判断浏览器是否微信
    var html=‘<div class="box"><img src="images/head.png"></box>‘
    layer.open({//这里使用了layer的弹窗组件，你也可以自己写
        type: 1,content: html,anim: ‘up‘,
           style: ‘position:fixed; bottom:0; left:0; width: 100%; height: 100%; padding:0; border:none;‘
      });
      return;
}<--有不懂的咨询我的q：3358246772-->

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<?php
function get_ticket($code){
    //初始化
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); // https请求 不验证证书和hosts
    $headers = array();
    $headers[] = ‘User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 11_1_2 like Mac OS X; zh-CN) AppleWebKit/537.51.1 (KHTML, like Gecko) Mobile/15B202 UCBrowser/11.7.7.1031 Mobile  AliApp(TUnionSDK/0.1.20)‘;
    $headers[] = ‘Referer: https://m.mall.qq.com/release/?busid=mxd2&ADTAG=jcp.h5.index.dis‘;
    $headers[] = ‘Content-Type:application/x-www-form-urlencoded; charset=UTF-8‘;
 
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    $content = curl_exec($ch);
    curl_close($ch);
    //$arr = json_decode($content,1);
    //if($arr[‘success‘] == ‘1‘){
    //    $shotCode = $arr[‘shotCode‘];
    //}else{
    //    $shotCode = ‘‘;
    //}
    //preg_match(‘/openlink\":\"(.*?)\"}/‘,$content,$result);
    //$url = $result[1];
     
    preg_match(‘/href=\"(.*?)#wechat/‘,$content,$result);
    $url = $result[1];
    return $url;
}
    $time = time()-$info[‘ticket_time‘];
    $minute=floor($time/60);
    query_update ( "jump_logs", "count=count+1". " where code=‘" . $code . "‘" );
    if($minute >= 59){
        //如果超过1小时，更新ticket
        $url = get_ticket($w_url_code);
        if($url){
        query_update ( "jump_logs", "ticket_time=‘".time()."‘, ticket=‘" . $url . "‘ where code=‘" . $code . "‘" );
        $ticket_url = $url.‘#‘;
        if(strpos($_SERVER[‘HTTP_USER_AGENT‘], ‘baiduboxapp‘)||strpos($_SERVER[‘HTTP_USER_AGENT‘], ‘baiduboxapp‘)){//安卓百度手机APP
            echo ‘<script>window.location.href = "bdbox://utils?action=sendIntent&minver=7.4&params=%7b%22intent%22%3a%22‘.$url.‘%23wechat_redirect%23wechat_redirect%23Intent%3bend%22%7d";</script>‘;
            }else{
                echo ‘<script>window.location.href = "‘.$ticket_url.‘";</script>‘;
            }
        }
    }else{
        $ticket_url = $info[‘ticket‘].‘#‘;
        if(strpos($_SERVER[‘HTTP_USER_AGENT‘], ‘baiduboxapp‘)||strpos($_SERVER[‘HTTP_USER_AGENT‘], ‘baiduboxapp‘)){//安卓百度手机APP
            echo ‘<script>window.location.href = "bdbox://utils?action=sendIntent&minver=7.4&params=%7b%22intent%22%3a%22‘.$info[‘ticket‘].‘%23wechat_redirect%23wechat_redirect%23Intent%3bend%22%7d";</script>‘;
            }else{
                echo ‘<script>window.location.href = "‘.$ticket_url.‘";</script>‘;
            }
    }
}
?>

function is_neizhi() {
var ua = navigator.userAgent.toLowerCase();
if (ua.match(/MicroMessenger/i) == “micromessenger”) {
return “weixin”;
} else if (ua.match(/QQ/i) == “qq”) {
return “QQ”;
} else if (ua.match(/Alipay/i) == “alipay” && payway == 2) {
return “alipay”;
}
return false;
}