<!DOCTYPE html><html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>JavaScript排序效果</title>
</head>
<body>
<style type="text/css">
.fu_list{ width:500px; border:1px solid #ebebeb;line-height:20px; font-size:12px;}
.fu_list thead td{background-color:#ebebeb;}
.fu_list td{padding:5px;}
.fu_list a{outline:none;/*ff*/hide-focus:expression(this.hideFocus=true);/*ie*/}
.fu_list a:link, .fu_list a:visited, .fu_list a:hover, .fu_list a:active{text-decoration:none;color:#333;}
.fu_list thead a{padding-right:15px;}
.fu_list thead a.up, .fu_list thead a.down{ background:url(http://demo.web265.com/img/web2651014.gif) right center no-repeat; }
.fu_list thead a.down{background-image:url(http://demo.web265.com/img/web2651014.gif);}
</style>
<table border="0" cellspacing="0" cellpadding="0" class="fu_list" id="idTable">
<thead>
<tr>
<td> <a href="javascript:void(0)" id="idTitle">名称</a> / <a href="javascript:void(0)" id="idExt">类型</a></td>
<td width="150" align="center"><a href="javascript:void(0)" id="idAddtime" class="up">上传时间</a></td>
<td width="50" align="center"><a href="javascript:void(0)" id="idSize">大小</a></td>
</tr>
</thead>
<tbody>
<tr>
<td _ext="rar">new.rar</td>
<td align="center" _order="2008/9/12 8:51:09">2008-9-12 8:51:09</td>
<td align="right" _order="433247">423.09 K</td>
</tr>
<tr>
<td _ext="js">Scroller.js</td>
<td align="center" _order="2008/9/23 11:26:57">2008-9-23 11:26:57</td>
<td align="right" _order="2556">2.5 K</td>
</tr>
<tr>
<td _ext="js">AlertBox.js</td>
<td align="center" _order="2008/9/23 11:26:57">2008-9-23 11:26:57</td>
<td align="right" _order="3565">3.48 K</td>
</tr>
<tr>
<td _ext="htm">1.htm</td>
<td align="center" _order="2008/10/4 20:21:54">2008-10-4 20:21:54</td>
<td align="right" _order="11394">11.13 K</td>
</tr>
<tr>
<td _ext="htm">4.htm</td>
<td align="center" _order="2008/10/4 20:21:54">2008-10-4 20:21:54</td>
<td align="right" _order="351">351 b</td>
</tr>
<tr>
<td _ext="xml">news.xml</td>
<td align="center" _order="2008/10/4 20:24:11">2008-10-4 20:24:11</td>
<td align="right" _order="14074">13.74 K</td>
</tr>
<tr>
<td _ext="js">function.js</td>
<td align="center" _order="2008/10/4 20:24:11">2008-10-4 20:24:11</td>
<td align="right" _order="2844">2.78 K</td>
</tr>
<tr>
<td _ext="mp3">神秘园 - Nocturne.mp3</td>
<td align="center" _order="2008/10/7 0:07:43">2008-10-7 0:07:43</td>
<td align="right" _order="3111293">2.97 M</td>
</tr>
<tr>
<td _ext="doc">详细功略+剧情流程（一）.doc</td>
<td align="center" _order="2008/10/7 0:07:43">2008-10-7 0:07:43</td>
<td align="right" _order="63488">62 K</td>
</tr>
<tr>
<td _ext="doc">详细功略+剧情流程（二）.doc</td>
<td align="center" _order="2008/10/7 0:07:54">2008-10-7 0:07:54</td>
<td align="right" _order="164352">160.5 K</td>
</tr>
<tr>
<td _ext="txt">禁止文件预览功能.txt</td>
<td align="center" _order="2008/10/7 0:07:58">2008-10-7 0:07:58</td>
<td align="right" _order="860">860 b</td>
</tr>
</tbody>
</table>
<input name="" type="button" value="有x的排前面" id="idBtn" />
<script type="text/javascript">
var $ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}
Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}
Function.prototype.bind = function(object) {
var __method = this, args = Array.prototype.slice.call(arguments); args.shift();
return function() {
return __method.apply(object, args.concat(Array.prototype.slice.call(arguments)));
}
}
function Each(list, fun){
for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }
};
var TableOrder = Class.create();
TableOrder.prototype = {
initialize: function(table) {
this.tBody = $(table).tBodies[0];//tbody对象
this.Rows = [];//行集合
this._order = null;//排序对象
Each(this.tBody.rows, function(o){ this.Rows.push(o); }.bind(this));
},
//排序并显示
Sort: function() {
//没有排序对象返回
if(!this._order){ return false };
//排序
this.Rows.sort(this._order.Compare || this.Compare.bind(this));
this._order.Down && this.Rows.reverse();//取反
//显示表格
var oFragment = document.createDocumentFragment();
Each(this.Rows, function(o){ oFragment.appendChild(o); });
this.tBody.appendChild(oFragment);
//执行附加函数
this._order.onSort();
},
//比较函数
Compare: function(o1, o2) {
var value1 = this.GetValue(o1), value2 = this.GetValue(o2);
return value1 < value2 ? -1 : value1 > value2 ? 1 : 0;
},
//获取比较值
GetValue: function(tr) {
var td = tr.getElementsByTagName("td")[this._order.Index], data = td[this._order.Attri] || td.getAttribute(this._order.Attri);
//数据转换
switch (this._order.DataType.toLowerCase()) {
case "int":
return parseInt(data) || 0;
case "float":
return parseFloat(data) || 0;
case "date":
return Date.parse(data) || 0;
case "string":
default:
return data.toString() || "";
}
},
//添加并返回一个排序对象
Add: function(index, options) {
var oThis = this;
return new function(){
//默认属性
this.Attri = "innerHTML";//获取数据的属性
this.DataType = "string";//比较的数据类型
this.Down = true;//是否按顺序
this.onSort = function(){};//排序时执行
this.Compare = null;//自定义排序函数
Object.extend(this, options || {});
//td索引
this.Index = index;
this.Sort = function(){ oThis._order = this; oThis.Sort(); };
};
}
}
var to = new TableOrder("idTable");
function SetOrder(obj, index, options){
var o = $(obj);
//_arr是记录排序项目（这里主要用来设置样式）
!SetOrder._arr && (SetOrder._arr = []); SetOrder._arr.push(o);
//添加一个排序对象
var order = to.Add(index, options);
order.onSort = function(){
//设置样式
Each(SetOrder._arr, function(o){ o.className = ""; });
o.className = order.Down ? "down" : "up";
//取相反排序
order.Down = !order.Down
}
o.onclick = function(){ order.Sort(); return false; }
}
SetOrder("idTitle", 0);
SetOrder("idExt", 0, { Attri: "_ext" });
SetOrder("idAddtime", 1, { Attri: "_order", DataType: "date" });
SetOrder("idSize", 2, { Attri: "_order", DataType: "int" });
var order2 = to.Add(0, {
onSort: function(){ Each(SetOrder._arr, function(o){ o.className = ""; });
},
Compare: function(o1, o2) {
var value1 = /x/i.test(to.GetValue(o1)), value2 = /x/i.test(to.GetValue(o2));
return value1 && !value2 ? 1 : !value1 && value2 ? -1 : 0;
}
});
$("idBtn").onclick = function(){ order2.Sort(); }
</script>
</body>
</html>
