iscroll实现下拉刷新功能

时间：2021-05-28

本文实例为大家分享了Android九宫格图片展示的具体代码，供大家参考，具体内容如下

版本号：iscroll4.2.5.js

iscroll 版本很有关系 在线： demo链接 有出现白屏的bug,将iscroll版本改成iscroll4.2.5就可以了

html

<!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>iScroll demo: simple</title><script type="text/javascript" src="../../src/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-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(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" rel="external nofollow" >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>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。

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