利用JavaScript对表格数据进行排序_层和布局特效

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这是一个利用JavaScript结合CSS实现的对表格进行排序的代码，点击表头会自动排序，至于由哪种规则排序这个由你决定，表格排序现在用的也非常多。此实例实现的是降序、升序排列。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312" />
<title>表格排序的实现</title>
<style>
 *{font-family:Arial, Helvetica, sans-serif;font-size:14px;border:none;}
 body{text-align:center;}
 table{margin:100px auto;}
 td{width:110px;height:25px;text-align:center;line-height:25px;border:1px solid silver;}
 .red{color:red;}
 .top{background:#EEE;cursor:pointer;}
 .up{background:#FFFFCC url(http://down.psd.cnhttp://p1.mb5u.com/allimg/080912/173019330.gif) no-repeat right 5px;}
 .down{background:#FFFFCC url(http://down.psd.cnhttp://p1.mb5u.com/allimg/080912/173019334.gif) no-repeat right 5px;}
 .hov{background:#F0EFE5;}
</style>
</head>
<body>
<table cellpadding="0" id="table">
 <tr class="top"><td>kick me</td><td >kick me</td><td>kick me</td><td>kick me</td></tr>
 <tr>
   <td><span id="bfn_la_bac.usa">15.43</span></td>
   <td class="red">700</td>
   <td>1.220</td>
   <td class="red">源</td>
 </tr>
    <tr><td><span id="bfn_la_c.usa">7.05</span></td>
  <td class="red">4</td>
  <td>3,000</td>
  <td class="red">码</td>
    </tr>
    <tr><td><span id="bfn_la_jpm.usa">30.62</span></td>
  <td class="red">30</td>
  <td>2,558,800</td>
  <td class="red">爱</td>
    </tr>
    <tr>
      <td><span id="bfn_la_axp.usa">22.30</span></td>
  <td class="red">5</td><td>6</td>
  <td class="red">好</td>
    </tr>
    <tr><td><span id="bfn_la_mrk.usa">26.31</span></td>
  <td class="red">0.6</td><td>5</td>
  <td class="red">-</td>
    </tr>
    <tr><td><span id="bfn_la_pg.usa">63.16</span></td>
  <td class="red">7</td><td>4</td>
  <td class="red">者</td>
    </tr>
</table>
<script type="text/javascript">
 
 var tableSort = function(){
  this.initialize.apply(this,arguments);
 }
 
 tableSort.prototype = {
 
  initialize : function(tableId,clickRow,startRow,endRow,classUp,classDown,selectClass){
   this.Table = document.getElementById(tableId);
   this.rows = this.Table.rows;//所有行
   this.Tags = this.rows[clickRow-1].cells;//标签td
   this.up = classUp;
   this.down = classDown;
   this.startRow = startRow;
   this.selectClass = selectClass;
   this.endRow = (endRow == 999? this.rows.length : endRow);
   this.T2Arr = this._td2Array();//受影响的td二维数组
   this.setShow();
  },
  //标签切换
  setShow:function(){
   var defaultClass = this.Tags[0].className;
   for(var Tag ,i=0;Tag = this.Tags[i];i++){
    Tag.index = i;
    addEventListener(Tag ,'click', Bind(Tag,statu));
   }
   var _this =this;
   var turn = 0;
   function statu(){
    for(var i=0;i<_this.Tags.length;i++){
     _this.Tags[i].className = defaultClass;
    }
    if(turn==0){
     addClass(this,_this.down)
     _this.startArray(0,this.index);
     turn=1;
    }else{
     addClass(this,_this.up)
     _this.startArray(1,this.index);
     turn=0;
    }
   }
  },
  //选中列样式
  colClassSet:function(num,cla){
   //得到关联到的td
   for(var i= (this.startRow-1);i<(this.endRow);i++){
    for(var n=0;n<this.rows[i].cells.length;n++){
     removeClass(this.rows[i].cells[n],cla);
    }
    addClass(this.rows[i].cells[num],cla);
   }
  },
  //开始排序  num 根据第几列排序  aord 逆序还是顺序
  startArray:function(aord,num){
   var afterSort = this.sortMethod(this.T2Arr,aord,num);//排序后的二维数组传到排序方法中去
   this.array2Td(num,afterSort);//输出
  },
  //将受影响的行和列转换成二维数组
  _td2Array:function(){  
   var arr=[];
   for(var i=(this.startRow-1),l=0;i<(this.endRow);i++,l++){
    arr[l]=[];
    for(var n=0;n<this.rows[i].cells.length;n++){
     arr[l].push(this.rows[i].cells[n].innerHTML);
    }
   }
   return arr;
  },
  //根据排序后的二维数组来输出相应的行和列的 innerHTML 
  array2Td:function(num,arr){
   this.colClassSet(num,this.selectClass); 
   for(var i= (this.startRow-1),l=0;i<(this.endRow);i++,l++){
    for(var n=0;n<this.Tags.length;n++){
     this.rows[i].cells[n].innerHTML = arr[l][n]; 
    }
   }
  },
  //传进来一个二维数组，根据二维数组的子项中的w项排序，再返回排序后的二维数组
  sortMethod:function(arr,aord,w){
   //var effectCol = this.getColByNum(whichCol);
   arr.sort(function(a,b){
    x = killHTML(a[w]);
    y = killHTML(b[w]);
    x = x.replace(/,/g,'');
    y = y.replace(/,/g,'');
    switch (isNaN(x)){
     case false:
     return Number(x) - Number(y);
     break;
     case true:
     return x.localeCompare(y);
     break;
    }
   });
   arr = aord==0?arr:arr.reverse();
   return arr;
  }
 }
 /*-----------------------------------*/
 function addEventListener(o,type,fn){
  if(o.attachEvent){o.attachEvent('on'+type,fn)}
  else if(o.addEventListener){o.addEventListener(type,fn,false)}
  else{o['on'+type] = fn;}
 }
 
 function hasClass(element, className) { 
  var reg = new RegExp('(\\s|^)'+className+'(\\s|$)'); 
  return element.className.match(reg); 
 } 
  
 function addClass(element, className) { 
  if (!this.hasClass(element, className)) 
  { 
   element.className += " "+className; 
  } 
 } 
  
 function removeClass(element, className) { 
  if (hasClass(element, className)) { 
   var reg = new RegExp('(\\s|^)'+className+'(\\s|$)'); 
   element.className = element.className.replace(reg,' '); 
  } 
 } 
 
 var Bind = function(object, fun) {
  return function() {
   return fun.apply(object, arguments);
  }
 }
 //去掉所有的html标记
 function killHTML(str){
  return str.replace(/<[^>]+>/g,"");
 }
 //------------------------------------------------
 //tableid  第几行是标签行，从第几行开始排序，第几行结束排序(999表示最后) 升序标签样式，降序标签样式  选中列样式
 //注意标签行的class应该是一致的
 var ex1 = new tableSort('table',1,2,999,'up','down','hov');
</script>
</body>
</html>

所属频道：层和布局特效/更新时间：2013-01-07

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