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@@ -26,18 +26,19 @@
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width: 3.26rem;
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height: 0.88rem;
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}
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- .header{
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+ .imgs{
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width: 7.5rem;
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- height: 33vh;
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+ height: 33.33vh;
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+ display: block;
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}
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- .middle{
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+ /* .middle{
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width: 7.5rem;
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height: 33vh;
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}
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.footer{
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width: 7.5rem;
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height: 34vh;
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- }
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+ } */
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.img{
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width: 100%;
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height: 100%;
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@@ -47,15 +48,6 @@
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<body>
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<div class="container">
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- <div class="header">
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- <img class="img" src="../static/img/zhongqiuActivity/header.png" />
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- </div>
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- <div class="middle">
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- <img class="img" src="../static/img/zhongqiuActivity/middle.png" />
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- </div>
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- <div class="footer">
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- <img class="img" src="../static/img/zhongqiuActivity/footer.png" />
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- </div>
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<div class="btn-content" id="js_btn">
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<img class="download-app" src="../static/img/zhongqiuActivity/btn.png" />
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</div>
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@@ -80,16 +72,32 @@
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id = loc.substr(n2 + 1, n1 - n2),//从=号后面的内容
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u = navigator.userAgent,
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isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/),
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- isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //android终端
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+ isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1, //android终端
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+ imgs = ['../static/img/zhongqiuActivity/header.png','../static/img/zhongqiuActivity/middle.png','../static/img/zhongqiuActivity/footer.png'];
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//长屏判断
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- console.log(document.documentElement.clientHeight)
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if(document.documentElement.clientHeight > 736){
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- $('.img')[0].src = '../static/img/zhongqiuActivity/iphoneX01.png';
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- $('.img')[1].src = '../static/img/zhongqiuActivity/iphoneX02.png';
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- $('.img')[2].src = '../static/img/zhongqiuActivity/iphoneX03.png';
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+ imgs = ['../static/img/zhongqiuActivity/iphoneX01.png','../static/img/zhongqiuActivity/iphoneX02.png','../static/img/zhongqiuActivity/iphoneX03.png'];
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const btnContent = document.getElementsByClassName('btn-content')[0];
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btnContent.className = 'btn-active';
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}
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+ //异步加载图片
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+ async function loadAsync() {
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+ let promise = function(url) {
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+ return new Promise((resolve, reject) => {
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+ const image = new Image();
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+ image.src = url;
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+ image.className = 'imgs';
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+ image.onload = function() {
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+ document.body.appendChild(image);
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+ resolve('ok');
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+ }
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+ })
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+ }
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+ for(let url of imgs) {
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+ await promise(url);
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+ }
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+ }
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+ loadAsync();
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//埋点
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if(isAndroid){
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operate('中秋活动落地页');
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heyang