站长资源网络编程
javascript实现行拖动的方法
简介本文实例讲述了javascript实现行拖动的方法。分享给大家供大家参考。具体如下：行</div>
<div class="news_infos"><div id="MyContent"><p>本文实例讲述了javascript实现行拖动的方法。分享给大家供大家参考。具体如下：</p>
<div class="htmlcode">
<pre class="brush:js;">
<!doctype html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>行拖动</title>
<script>
window.onload = function(){
//绑定事件
var addEvent = document.addEventListener "on" + type, callback );
}
//判定对样式的支持
var getStyleName= (function(){
var prefixes = ['', '-ms-','-moz-', '-webkit-', '-khtml-', '-o-'];
var reg_cap = /-([a-z])/g;
function getStyleName(css, el) {
el = el || document.documentElement;
var style = el.style,test;
for (var i=0, l=prefixes.length; i < l; i++) {
test = (prefixes[i] + css).replace(reg_cap,function($0,$1){
return $1.toUpperCase();
});
if(test in style){
return test;
}
}
return null;
}
return getStyleName;
})();
var userSelect = getStyleName("user-select");
//精确获取样式
var getStyle = document.defaultView "TD"){
handler = handler.parentNode;
dragManager.handler = handler;
if(!handler.getAttribute("data-background")){
handler.setAttribute("data-background",getStyle(handler,"background-color"))
}
//显示为可移动的状态
handler.style.backgroundColor = "#ccc";
handler.style.cursor = "move";
dragManager.y = e.clientY;
if(typeof userSelect === "string"){
return document.documentElement.style[userSelect] = "none";
}
document.unselectable = "on";
document.onselectstart = function(){
return false;
}
}
},
draging:function(e){//mousemove时拖动行
var handler = dragManager.handler;
if(handler){
e = e || event;
var y = e.clientY;
var down = y > dragManager.y;//是否向下移动
var tr = document.elementFromPoint(e.clientX,e.clientY);
if(tr && tr.nodeName == "TD"){
tr = tr.parentNode
dragManager.y = y;
if( handler !== tr){
tr.parentNode.insertBefore(handler, (down "data-background");
handler.style.cursor = "default";
dragManager.handler = null;
}
if(typeof userSelect === "string"){
return document.documentElement.style[userSelect] = "text";
}
document.unselectable = "off";
document.onselectstart = null;
},
main:function(el){
addEvent(el,"mousedown",dragManager.dragStart);
addEvent(document,"mousemove",dragManager.draging);
addEvent(document,"mouseup",dragManager.dragEnd);
}
}
var el = document.getElementById("table");
dragManager.main(el);
}
</script>
<style>
.table{width:60%;border: 1px solid red;border-collapse: collapse;}
.table td{border: 1px solid red;height: 20px;}
</style>
</head>
<body>
<h1>行拖动</h1>
<table id="table" class="table">
<tbody>
<tr><td>1</td><td>One</td><td>dom.require</td></tr>
<tr id="2" ><td class="2">2</td><td>Two</td><td>ControlJS </td></tr>
<tr id="3" ><td class="3">3</td><td>Three</td><td>HeadJS</td></tr>
<tr id="4" ><td class="4">4</td><td>Four</td><td>LAB.js</td></tr>
<tr id="5" ><td class="5">5</td><td>Five</td><td>$script.js</td></tr>
<tr id="6" ><td class="6">6</td><td>Six</td><td>NBL.js</td></tr>
</tbody>
</table>
</body>
</html></pre>
</div>
<p>希望本文所述对大家的javascript程序设计有所帮助。</p></div>
</div>
</div>
<div class="share"> </div>
<div class="nextinfo">
<p>上一篇：<a href="/3g/1/113757.html" title="Nodejs实现批量下载妹纸图">Nodejs实现批量下载妹纸图</a></p>
<p>下一篇：<a href="/3g/1/113759.html" title="JavaScript操作Cookie方法实例分析">JavaScript操作Cookie方法实例分析</a></p>
</div>
<div class="otherlink">
<h2>最新资源</h2>
<ul>
<li><a href="/3g/1/623703.html" title="群星《奔赴！万人现场 第2期》[FLAC/分轨]">群星《奔赴！万人现场 第2期》[FLAC/分轨]</a></li>
<li><a href="/3g/1/623702.html" title="群星《奇妙浪一夏 (上海迪士尼度假区音乐">群星《奇妙浪一夏 (上海迪士尼度假区音乐</a></li>
<li><a href="/3g/1/623701.html" title="群星《奇妙浪一夏 (上海迪士尼度假区音乐">群星《奇妙浪一夏 (上海迪士尼度假区音乐</a></li>
<li><a href="/3g/1/623700.html" title="【古典音乐】詹姆斯·高威《季节》1993[WA">【古典音乐】詹姆斯·高威《季节》1993[WA</a></li>
<li><a href="/3g/1/623699.html" title="贝拉芳蒂《卡里普索之王》SACD[WAV+CUE]">贝拉芳蒂《卡里普索之王》SACD[WAV+CUE]</a></li>
<li><a href="/3g/1/623698.html" title="小骆驼-《草原狼2(蓝光CD)》[原抓WAV+CUE">小骆驼-《草原狼2(蓝光CD)》[原抓WAV+CUE</a></li>
<li><a href="/3g/1/623697.html" title="群星《欢迎来到我身边 电影原声专辑》[32">群星《欢迎来到我身边 电影原声专辑》[32</a></li>
<li><a href="/3g/1/623696.html" title="群星《欢迎来到我身边 电影原声专辑》[FL">群星《欢迎来到我身边 电影原声专辑》[FL</a></li>
<li><a href="/3g/1/623695.html" title="雷婷《梦里蓝天HQⅡ》 2023头版限量编号低">雷婷《梦里蓝天HQⅡ》 2023头版限量编号低</a></li>
<li><a href="/3g/1/623694.html" title="群星《2024好听新歌42》AI调整音效【WAV分">群星《2024好听新歌42》AI调整音效【WAV分</a></li>
</ul>
</div>
</div>
<div class="sidebar">
</div>
<div class="sidebar">
友情链接:<a href="http://www.imxmx.com/" title="杰晶网络" target="_blank">杰晶网络</a> <a href="/" title="DDR爱好者之家" target="_blank">DDR爱好者之家</a> <a href="http://www.nqxw.com/" title="南强小屋" target="_blank">南强小屋</a> <a href="http://www.paidiu.com/" title="黑松山资源网" target="_blank">黑松山资源网</a> <a href="http://www.dyhadc.com/" title="白云城资源网" target="_blank">白云城资源网</a> <a href="/sitemap1.xml">站点地图</a> <a href="/sitemap.xml">SiteMap</a>
</div>
</article>
<footer>
<p>Design by <a href="http://m.ddrfans.com">DDR爱好者之家</a> <a href="http://m.ddrfans.com">http://m.ddrfans.com</a></p>
</footer>
<script src="/images3g/nav.js"></script>
<script type="text/javascript">
jQuery.noConflict();
jQuery(function() {
var elm = jQuery('#left_flow2');
var startPos = jQuery(elm).offset().top;
jQuery.event.add(window, "scroll", function() {
var p = jQuery(window).scrollTop();
jQuery(elm).css('position', ((p) > startPos) ? 'fixed' : '');
jQuery(elm).css('top', ((p) > startPos) ? '0' : '');
});
});
</script>
</body>
</html>