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zepto.js + iscroll.js上拉加载 下拉加载的 移动端 新闻列表页面

2016-06-17 11:24 453 查看 
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="viewport" content="width=device-width,initial-scale=1.0,
maximum-scale=1.0,minimum-scale=1.0,user-scalable=no">
<title>Document</title>
<link rel="stylesheet" type="text/css" href="public/reset.css">
<style type="text/css">
.top{
top: 0;
}
.footer{
bottom: 0;
}
.top,.footer{
position: fixed;
left: 0;
text-align: center;
line-height: 50px;
height: 50px;
width: 100%;
background-color: #0dcecb;
color: #fff;
z-index: 100;
}
#wrapper{
position: absolute;
left: 0;
top: 50px;
bottom: 50px;
width: 100%;
background-color: #fafafa;
z-index: 10;
}
.news-lists .item{
height: 40px;
line-height: 40px;
border-bottom: 1px solid #CFCFCF;
}

#pullDown, #pullUp {
background:#fff;
height:40px;
line-height:40px;
padding:5px 10px;
border-bottom:1px solid #ccc;
font-weight:bold;
font-size:14px;
color:#888;
}
#pullDown .pullDownIcon, #pullUp .pullUpIcon  {
display:block; float:left;
width:40px; height:40px;
background:url(public/pull-icon@2x.png) 0 0 no-repeat;
-webkit-background-size:40px 80px;
background-size:40px 80px;
-webkit-transition-property:-webkit-transform;
-webkit-transition-duration:250ms;
}
#pullDown .pullDownIcon {
-webkit-transform:rotate(0deg) translateZ(0);
}
#pullUp .pullUpIcon  {
-webkit-transform:rotate(-180deg) translateZ(0);
}

#pullDown.flip .pullDownIcon {
-webkit-transform:rotate(-180deg) translateZ(0);
}

#pullUp.flip .pullUpIcon {
-webkit-transform:rotate(0deg) translateZ(0);
}

#pullDown.loading .pullDownIcon, #pullUp.loading .pullUpIcon {
background-position:0 100%;
-webkit-transform:rotate(0deg) translateZ(0);
-webkit-transition-duration:0ms;

-webkit-animation-name:loading;
-webkit-animation-duration:2s;
-webkit-animation-iteration-count:infinite;
-webkit-animation-timing-function:linear;
}

@-webkit-keyframes loading {
from { -webkit-transform:rotate(0deg) translateZ(0); }
to { -webkit-transform:rotate(360deg) translateZ(0); }
}
</style>
</head>
<body>
<div class="top">
页面导航
</div>
<div id="wrapper">
<div id="scroller">
<div id="pullDown">
<span class="pullDownIcon"></span><span class="pullDownLabel">下拉刷新...</span>
</div>
<div class="news-lists" id="news-lists">
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
<div class="item">根据市场奖惩制度，结合市场各部门提供的数据</div>
</div>
<div id="pullUp">
<span class="pullUpIcon"></span><span class="pullUpLabel">上拉加载更多...</span>
</div>
</div>
</div>
<div class="footer">
底部导航
</div>
</body>
</html>
<script type="text/javascript" src="public/zepto.js"></script>
<script type="text/javascript" src="public/iscroll.js"></script>
<script type="text/javascript">

var data,
myScroll,
pullDownEl, pullDownOffset,
pullUpEl, pullUpOffset,
generatedCount = 0;

function pullDownAction () {
$.getJSON('public/test.json', function (data, state) {
if (data && data.state == 1 && state == 'success') {
//本地测试，为了看到加载中效果故加上定时器
setTimeout(function () {
$('#news-lists').before(data.data);
myScroll.refresh();
}, 600);
}
});
}

function pullUpAction () {

$.getJSON('public/test.json', function (data, state) {
if (data && data.state == 1 && state == 'success') {
//本地测试，为了看到加载中效果故加上定时器
setTimeout(function () {
$('#news-lists').append(data.data);
myScroll.refresh();
}, 600);
}
});
}

//去除浏览器默认事件
document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false);
//domready后绑定初始化事件
document.addEventListener('DOMContentLoaded', loaded, false);

function loaded() {
pullDownEl = document.getElementById('pullDown');
pullDownOffset = pullDownEl.offsetHeight;
pullUpEl = document.getElementById('pullUp');
pullUpOffset = pullUpEl.offsetHeight;

/**
* 初始化iScroll控件
*/
myScroll = new iScroll('wrapper', {
vScrollbar : false,
topOffset : pullDownOffset,
onRefresh : function () {
if (pullDownEl.className.match('loading')) {
pullDownEl.className = '';
pullDownEl.querySelector('.pullDownLabel').innerHTML = '下拉刷新...';
} else if (pullUpEl.className.match('loading')) {
pullUpEl.className = '';
pullUpEl.querySelector('.pullUpLabel').innerHTML = '上拉加载更多...';
}
},
onScrollMove: function () {
if (this.y > 5 && !pullDownEl.className.match('flip')) {
pullDownEl.className = 'flip';
pullDownEl.querySelector('.pullDownLabel').innerHTML = '松手开始更新...';
this.minScrollY = 0;
} else if (this.y < (this.maxScrollY - 5) && !pullUpEl.className.match('flip')) {
pullUpEl.className = 'flip';
pullUpEl.querySelector('.pullUpLabel').innerHTML = '松手开始更新...';
}
},
onScrollEnd: function () {
if (pullDownEl.className.match('flip')) {
pullDownEl.className = 'loading';
pullDownEl.querySelector('.pullDownLabel').innerHTML = '加载中...';
pullDownAction();
} else if (pullUpEl.className.match('flip')) {
pullUpEl.className = 'loading';
pullUpEl.querySelector('.pullUpLabel').innerHTML = '加载中...';
pullUpAction();
}
}
});
}
</script>

需要用移动端浏览器或google的debug模拟移动端浏览器



效果演示 源码下载

转自：http://my.oschina.net/felumanman/blog/478013
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