iscroll 上拉下拉刷新AJAX后，样式有问题

时间: 2013-04-10来源：开源中国

前景提要

HDC调试需求开发（15万预算）,能者速来！>>> <!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="js/iscroll.js"></script> <script type="text/javascript" charset="utf-8" src="js/jquery-1.7.2.min.js"></script> <script type="text/javascript" charset="utf-8" src="js/jquery-1.9.1.js"></script> <script type="text/javascript"> var myScroll, pullDownEl, pullDownOffset, pullUpEl, pullUpOffset, generatedCount = 0; n=0; function pullDownAction () {// 这个函数是下拉刷新，但是刷新后样式有问题，高度不变，滚动条拉到底部了，内容却没有达到底部。 setTimeout(function () {//如果去掉$.ajax后换成其他的循环函数，正常。 var el, li, i; el = document.getElementById('thelist'); $.ajax({ url:'http://202.198.133.181/android/andrew2/jsonp.php?callback=?&num='+(++n)+'',// 从该处获取数据 dataType:'jsonp', success:function(data){ for (i=0;i<5;i++) { var time = getLocalTime(data[i]['pub_time']); li = document.createElement('li'); li.innerHTML = "<a href='news.html?news_id="+data[i]['news_id']+"'>"+data[i]['title']+"</a>"+time; el.insertBefore(li, el.childNodes[0]); } }//;success不能跟分号 });myScroll.refresh();}, 1000); } function pullUpAction () { setTimeout(function () { var el, li, i; el = document.getElementById('thelist'); for (i=0;i<5;i++ ) { li = document.createElement('li'); li.innerHTML = 'Generated row ' + (++generatedCount); el.appendChild(li, el.childNodes[0]); };myScroll.refresh();}, 1000); } 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> <script type="text/javascript" charset="utf-8"> //函数：将时间戳变成日期形式 function getLocalTime(nS) { return new Date(parseInt(nS) * 1000).toLocaleString().replace(/:\d{1,2}$/,' '); } //获取数据 function xunlei(){ var el, li, i,option,ell; el = document.getElementById('thelist'); $.ajax({ url:'http://202.198.133.181/android/andrew2/jsonp2.php?callback=?',//从该处获取数据 dataType:'json', success:function(data){ for (i=0;i<20;i++) { li = document.createElement('li'); var time = getLocalTime(data[i]['pub_time']); li.innerHTML = "<a href='news.html?news_id="+data[i]['news_id']+"'>"+data[i]['title']+"</a>"+time; el.appendChild(li, el.childNodes[0]); } }//;success不能跟分号 }); } </script> <script type="text/javascript"> window.onload = xunlei; </script> <style type="text/css" media="all"> body,ul{ padding:0; margin:0; border:0; } li{ padding:0; margin:0; border:0; overflow:hidden; width:100%; text-overflow:ellipsis; white-space:nowrap; } 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(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"> </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>
这个例子是网上比较常见的，下过来的时候，上拉下拉刷新都是添加的静态元素，我添加ajax后，就出现了样式问题，刷新后滚动条长度不变，但是内容长度变了，达不到底部。得改变下浏览器高度才能使滚动条正常。。不知道什么原因。
急需大神求解！谢谢！给个思路也行

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