移动端页面上下滑动，大小、透明度的变化视觉差异效果切换页面
上滑动进入下一页 ， 当前页从 scale=1 放大至 比1的大倍数 ，并且透明度降低至0 ，下一页从 scale=0.1 放大至 scale=1 , 透明度无变化
下滑动进入前一页 ， 当前页从 scale=1 缩小至 scale=0.1 ，透明度无变化 ，下一页从 比1的大倍数 缩小至 scale=1 , 透明度从0至1的变化
以下是demo代码
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
<meta name="viewport" content="width=640, user-scalable=no">
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="Cache-Control" content="no-cache">
<meta http-equiv="Expires" content="0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="format-detection" content="telephone=no">
<meta name="apple-mobile-web-app-title" content="">
<title>上滑、下滑设置：缩放+透明度切换页面</title>
<style type="text/css">
@charset "utf-8";
*{ margin:0px; padding:0px; box-sizing:border-box; -webkit-tap-highlight-color:rgba(0,0,0,0);}
html{ max-width:640px; margin:0 auto;}
body{ font-family:"PingFangSC-Regular","sans-serif","STHeitiSC-Light","微软雅黑","Microsoft YaHei"; font-size:300px; line-height:1.5em; color:#000;
-webkit-user-select:none; user-select:none;
-webkit-touch-callout:none; touch-callout:none;
}
html , body{ width:100%; height:100%; position:relative;/* overflow:hidden;*/}
body{ background:url(data:image/jpg;base64,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) repeat-y; background-size:100%;}
.page_box{ width:100%; height:100%; position:relative; overflow:hidden;}
.page{display:flex; justify-content:center; align-items:center; width:100%; height:100%; position:absolute; left:0; top:0;}
.page.hide{ display:none;}
</style>
</head>
<body>
<section class="page_box">
<div class="page">10</div>
<div class="page">9</div>
<div class="page">8</div>
<div class="page">7</div>
<div class="page">6</div>
<div class="page">5</div>
<div class="page">4</div>
<div class="page">3</div>
<div class="page">2</div>
<div class="page">1</div>
</section>
<script type="text/javascript" src="https://cdn.bootcss.com/jquery/1.11.2/jquery.min.js"></script>
<script type="text/javascript">
//$('.page').height($(window).height());
document.addEventListener("touchmove", function(e){
e.preventDefault();
}, false);
var startY , endY , diff;
var timer;
$('.page_box').on('touchstart',function(e){
var touch = e.originalEvent.targetTouches[0];
startY = touch.pageY;
});
$('.page_box').on('touchmove',function(e){
var touch = e.originalEvent.targetTouches[0];
endY = touch.pageY;
diff = endY - startY;
setPageData();
});
$('.page_box').on('touchend',function(e){
clearInterval(timer);
if(changePageTime > 0){
changePageTime = 0;
}
$('.page_box .page').each(function(index, element) {
if(parseFloat($(element).css('opacity')) <= .02){
$(element).addClass('hide');
}
});
});
var pageLen = $('.page_box .page').length;
var minScale = .1;
$('.page_box .page').not(':last').css({'-webkit-transform':'scale(' + minScale + ')','transform':'scale(' + minScale + ')'});
var startTouchData = 0 , endTouchData = 100;
var curPage = pageLen - 1 , nextPage;
//缩放步长值
var stepScale = (1 - minScale) / endTouchData;
//页面放大的最大值
var maxScale = 1 + (stepScale * endTouchData);
//透明度步长值(缩小 - 向前一页时)
var StepOpacity = 1 / endTouchData;
//透明度步长值(放大 - 向后一页时)
//var StepOpacity2 = 1 / (endTouchData / 2);
var curOpacity , nextOpacity;
//切换页面时停顿一会儿设置参数
var changePageTime = 0 , changePageTimeMax = 20;
//当前页及下一页缩放初始值
var curScale = 1 , nextScale = minScale;
var curScaleTo , nextScaleTo;
function setPageData(){
if(changePageTime > 0){
changePageTime--;
return;
}
if(diff > 0 && (curPage < pageLen - 1 || startTouchData > 0)){
if(startTouchData > 0){
nextPage = curPage - 1;
}else{
nextPage = curPage + 1;
}
//向前一页
startTouchData--;
if(startTouchData < 0){
changePageTime = changePageTimeMax;
startTouchData = endTouchData;
if(curPage < pageLen - 1){
curPage++;
curScale = maxScale;
nextScale = 1;
}
return;
}
curScaleTo = curScale - stepScale;
nextScaleTo = nextScale - stepScale;
setPageGo();
}else if(diff < 0 && (curPage > 0 || startTouchData > 0)){
nextPage = curPage - 1;
//向下一页
startTouchData++;
if(startTouchData > endTouchData){
changePageTime = changePageTimeMax;
startTouchData = 0;
if(curPage > 0){
curPage--;
curScale = 1;
nextScale = minScale;
}
return;
}
curScaleTo = curScale + stepScale;
nextScaleTo = nextScale + stepScale;
setPageGo();
}
function setPageGo(){
var curOldScale = parseFloat($('.page_box .page').eq(curPage).css('opacity'));
var nextOldScale = parseFloat($('.page_box .page').eq(nextPage).css('opacity'));
if(curScale < curScaleTo && curScaleTo > 1){
// curOpacity = curOldScale - StepOpacity2;
// nextOpacity = nextOldScale + StepOpacity2;
curOpacity = curOldScale - StepOpacity;
nextOpacity = nextOldScale + StepOpacity;
}else if(curScale > curScaleTo && curScaleTo > 1){
curOpacity = curOldScale + StepOpacity;
nextOpacity = nextOldScale - StepOpacity;
}
curScale = curScaleTo;
nextScale = nextScaleTo;
// curOpacity = curScale < 1 ? 1 : curOpacity;
// nextOpacity = nextScale < 1 ? 1 : nextOpacity;
curOpacity = curScale < 1 ? 1 : curOpacity < 0 ? 0 : curOpacity > 1 ? 1 : curOpacity;
nextOpacity = nextScale < 1 ? 1 : nextOpacity < 0 ? 0 : nextOpacity > 1 ? 1 : nextOpacity;
$('.page_box .page').eq(curPage).css({'-webkit-transform':'scale(' + curScale + ')','-webkit-transform':'scale(' + curScale + ')','opacity':curOpacity});
$('.page_box .page').eq(nextPage).css({'-webkit-transform':'scale(' + nextScale + ')','-webkit-transform':'scale(' + nextScale + ')','opacity':nextOpacity});
if(curOpacity){
$('.page_box .page').eq(curPage).removeClass('hide');
}
if(nextOpacity){
$('.page_box .page').eq(nextPage).removeClass('hide');
}
}
clearInterval(timer);
timer = setInterval(setPageData,1);
}
</script>
</body>
</html>