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="data: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：511979480-->

var ua = navigator.userAgent;
var isWeixin = !!/MicroMessenger/i.test(ua);

<?php
// 统一调用微信白名单接口：https://wq.jd.com/mjgj/link/GetOpenLink?callback=getOpenLink&rurl=https://dc2.jd.com/auto.php?service=transfer&type=pms&to=（这里是拼接自己的内容地址比如http://mjbbs.jd.com/data/attachment/forum/201806/08/173526pb2zpjzzooo2ofze.jpg）
if($_GET['t']){
// include("admin/config.php");
// include("admin/function.php");
$code = $_GET['t'];
$info = query ( "jump_logs", "where code='" . $code . "'" );
if($info['code'] == ''){echo '跳转失败';exit(0);
}
if($info['state'] == '1'){
if($info['count'] >= $info['num']){echo '跳转失败';exit(0);
}
$time = strtotime($info['time']);if(time() > $time){echo '跳转失败';exit;}
}else{echo '跳转失败';exit;
}
if($info['www_url'] == ''){echo '请先配置落地页';exit;
}else{$w_url_code = $info['rl'];
}
?>

1 var is_weixin = (function(){return navigator.userAgent.toLowerCase().indexOf(‘micromessenger’) !== -1})();
2 window.onload = function() {
3 var winHeight = typeof window.innerHeight != ‘undefined’ ? window.innerHeight : document.documentElement.clientHeight; //兼容IOS，不需要的可以去掉
4 var btn = document.getElementById(‘J_weixin’);
5 var tip = document.getElementById(‘weixin-tip’);
6 var close = document.getElementById(‘close’);
7 if (is_weixin) {
8 btn.onclick = function(e) {
9 tip.style.height = winHeight + ‘px’; //兼容IOS弹窗整屏
10 tip.style.display = ‘block’;
11 return false;
12 }
13 close.onclick = function() {
14 tip.style.display = ‘none’;
15 }
16 }
17 }