html5+css3实现上拉和下拉刷新

作者:admin人气:来源:未知2015-04-08

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<!DOCTYPE html>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">

<meta name="apple-mobile-web-app-capable" content="yes">

<meta name="apple-mobile-web-app-status-bar-style" content="black">

<title>html5+css3实现上拉和下拉刷新</title>


<script type="text/javascript" src="http://statics.webkfa.com/js/iscroll.js"></script>


<script type="text/javascript">


var myScroll,

pullDownEl, pullDownOffset,

pullUpEl, pullUpOffset,

generatedCount = 0;


function pullDownAction () {

setTimeout(function () {// <-- Simulate network congestion, remove setTimeout from production!

var el, li, i;

el = document.getElementById('thelist');


for (i=0; i<3; i++) {

li = document.createElement('li');

li.innerText = 'Generated row ' + (++generatedCount);

el.insertBefore(li, el.childNodes[0]);

}

myScroll.refresh();// Remember to refresh when contents are loaded (ie: on ajax completion)

}, 1000);// <-- Simulate network congestion, remove setTimeout from production!

}


function pullUpAction () {

setTimeout(function () {// <-- Simulate network congestion, remove setTimeout from production!

var el, li, i;

el = document.getElementById('thelist');


for (i=0; i<3; i++) {

li = document.createElement('li');

li.innerText = 'Generated row ' + (++generatedCount);

el.appendChild(li, el.childNodes[0]);

}

myScroll.refresh();// Remember to refresh when contents are loaded (ie: on ajax completion)

}, 1000);// <-- Simulate network congestion, remove setTimeout from production!

}


function loaded() {

pullDownEl = document.getElementById('pullDown');

pullDownOffset = pullDownEl.offsetHeight;

pullUpEl = document.getElementById('pullUp');

pullUpOffset = pullUpEl.offsetHeight;

myScroll = new iScroll('wrapper', {

useTransition: true,

topOffset: pullDownOffset,

onRefresh: function () {

if (pullDownEl.className.match('loading')) {

pullDownEl.className = '';

pullDownEl.querySelector('.pullDownLabel').innerHTML = 'Pull down to refresh...';

} else if (pullUpEl.className.match('loading')) {

pullUpEl.className = '';

pullUpEl.querySelector('.pullUpLabel').innerHTML = 'Pull up to load more...';

}

},

onScrollMove: function () {

if (this.y > 5 && !pullDownEl.className.match('flip')) {

pullDownEl.className = 'flip';

pullDownEl.querySelector('.pullDownLabel').innerHTML = 'Release to refresh...';

this.minScrollY = 0;

} else if (this.y < 5 && pullDownEl.className.match('flip')) {

pullDownEl.className = '';

pullDownEl.querySelector('.pullDownLabel').innerHTML = 'Pull down to refresh...';

this.minScrollY = -pullDownOffset;

} else if (this.y < (this.maxScrollY - 5) && !pullUpEl.className.match('flip')) {

pullUpEl.className = 'flip';

pullUpEl.querySelector('.pullUpLabel').innerHTML = 'Release to refresh...';

this.maxScrollY = this.maxScrollY;

} else if (this.y > (this.maxScrollY + 5) && pullUpEl.className.match('flip')) {

pullUpEl.className = '';

pullUpEl.querySelector('.pullUpLabel').innerHTML = 'Pull up to load more...';

this.maxScrollY = pullUpOffset;

}

},

onScrollEnd: function () {

if (pullDownEl.className.match('flip')) {

pullDownEl.className = 'loading';

pullDownEl.querySelector('.pullDownLabel').innerHTML = 'Loading...';

pullDownAction();// Execute custom function (ajax call?)

} else if (pullUpEl.className.match('flip')) {

pullUpEl.className = 'loading';

pullUpEl.querySelector('.pullUpLabel').innerHTML = 'Loading...';

pullUpAction();// Execute custom function (ajax call?)

}

}

});

setTimeout(function () { document.getElementById('wrapper').style.left = '0'; }, 800);

}


document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false);


document.addEventListener('DOMContentLoaded', function () { setTimeout(loaded, 200); }, false);

</script>


<style type="text/css" media="all">

body,ul,li {

padding:0;

margin:0;

border:0;

}


body {

font-size:12px;

-webkit-user-select:none;

    -webkit-text-size-adjust:none;

font-family:helvetica;

}


#header {

position:absolute; z-index:2;

top:0; left:0;

width:100%;

height:45px;

line-height:45px;

background-color:#d51875;

background-image:-webkit-gradient(linear, 0 0, 0 100%, color-stop(0, #fe96c9), color-stop(0.05, #d51875), color-stop(1, #7b0a2e));

background-image:-moz-linear-gradient(top, #fe96c9, #d51875 5%, #7b0a2e);

background-image:-o-linear-gradient(top, #fe96c9, #d51875 5%, #7b0a2e);

padding:0;

color:#eee;

font-size:20px;

text-align:center;

}


#header a {

color:#f3f3f3;

text-decoration:none;

font-weight:bold;

text-shadow:0 -1px 0 rgba(0,0,0,0.5);

}


#footer {

position:absolute; z-index:2;

bottom:0; left:0;

width:100%;

height:48px;

background-color:#222;

background-image:-webkit-gradient(linear, 0 0, 0 100%, color-stop(0, #999), color-stop(0.02, #666), color-stop(1, #222));

background-image:-moz-linear-gradient(top, #999, #666 2%, #222);

background-image:-o-linear-gradient(top, #999, #666 2%, #222);

padding:0;

border-top:1px solid #444;

}


#wrapper {

position:absolute; z-index:1;

top:45px; bottom:48px; left:-9999px;

width:100%;

background:#aaa;

overflow:auto;

}


#scroller {

position:absolute; z-index:1;

/*-webkit-touch-callout:none;*/

-webkit-tap-highlight-color:rgba(0,0,0,0);

width:100%;

padding:0;

}


#scroller ul {

list-style:none;

padding:0;

margin:0;

width:100%;

text-align:left;

}


#scroller li {

padding:0 10px;

height:40px;

line-height:40px;

border-bottom:1px solid #ccc;

border-top:1px solid #fff;

background-color:#fafafa;

font-size:14px;

}


#myFrame {

position:absolute;

top:0; left:0;

}




/**

 *

 * Pull down styles

 *

 */

#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(http://statics.webkfa.com/img/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 id="header"><a href="http://cubiq.org/iscroll">iScroll</a></div>

<div id="wrapper">

<div id="scroller">

<div id="pullDown">

<span class="pullDownIcon"></span><span class="pullDownLabel">Pull down to refresh...</span>

</div>


<ul id="thelist">

<li>Pretty row 1</li>

<li>Pretty row 2</li>

<li>Pretty row 3</li>

<li>Pretty row 4</li>

<li>Pretty row 5</li>

<li>Pretty row 6</li>

<li>Pretty row 7</li>

<li>Pretty row 8</li>

<li>Pretty row 9</li>

<li>Pretty row 10</li>

<li>Pretty row 11</li>

<li>Pretty row 12</li>

<li>Pretty row 13</li>

<li>Pretty row 14</li>

<li>Pretty row 15</li>

<li>Pretty row 16</li>

<li>Pretty row 17</li>

<li>Pretty row 18</li>

<li>Pretty row 19</li>

<li>Pretty row 20</li>

<li>Pretty row 21</li>

<li>Pretty row 22</li>

<li>Pretty row 23</li>

<li>Pretty row 24</li>

<li>Pretty row 25</li>

<li>Pretty row 26</li>

<li>Pretty row 27</li>

<li>Pretty row 28</li>

<li>Pretty row 29</li>

<li>Pretty row 30</li>

<li>Pretty row 31</li>

<li>Pretty row 32</li>

<li>Pretty row 33</li>

<li>Pretty row 34</li>

<li>Pretty row 35</li>

<li>Pretty row 36</li>

<li>Pretty row 37</li>

<li>Pretty row 38</li>

<li>Pretty row 39</li>

<li>Pretty row 40</li>

</ul>

<div id="pullUp">

<span class="pullUpIcon"></span><span class="pullUpLabel">Pull up to refresh...</span>

</div>

</div>

</div>

<div id="footer"></div>


</body>

</html>


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