<div class="is-iosshow"><img src="../addons/ewei_shopv2/template/mobile/default/static/images/png2.png"> </div>
    <div class="is-show"> <img src="../addons/ewei_shopv2/template/mobile/default/static/images/png1.png"> </div>

   <style>
        .is-show{
            position: fixed;
            position:absolute;
            right:0;
            left: 0;
            top: 0;
            bottom: 0;
            z-index: 999;
            background-color: rgba(0, 0, 0, 0.9);
        }
        .is-show img{
            width: 100%;
        }
        .is-iosshow{
            position: fixed;
            position:absolute;
            right:0;
            left: 0;
            top: 0;
            bottom: 0;
            z-index: 999;
            background-color: rgba(0, 0, 0, 0.9);
            }
        .is-iosshow img{
                width: 100%;
            }
        </style>

<script>
        //判断是否微信登陆
        function isWeiXin() {
            var ua = window.navigator.userAgent.toLowerCase();
            console.log(ua);//mozilla/5.0 (iphone; cpu iphone os 9_1 like mac os x) applewebkit/601.1.46 (khtml, like gecko)version/9.0 mobile/13b143 safari/601.1
            if (ua.match(/MicroMessenger/i) == 'micromessenger') {
                return true;
            } else {
                return false;
            }
        }
        if(isWeiXin()){
            //alert(" 是来自微信内置浏览器")
            var u = navigator.userAgent;
            var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //android终端
            var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端

            if(isiOS){
                //alert('是苹果');
                $(".is-iosshow").show();
                $(".is-show").hide();
            }else{
                //alert('是安卓');
                $(".is-iosshow").hide();
                $(".is-show").show();
            }

        }else{

            //alert("不是来自微信内置浏览器")
            $(".is-iosshow").hide();
            $(".is-show").hide();
        }
    </script>