JavaScript实现表格排序方法

日期：2020-06-11 栏目：程序人生浏览：次

<!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" content="text/html; charset=gb2312" />
<title>JavaScript控制网页内表格排序</title>
<style>
*{font-family:Arial, Helvetica, sans-serif;font-size:14px;border:none;}
body{text-align:center;}
table{margin:100px auto;}
td{width:100px;height:24px;text-align:center;line-height:24px;border:1px solid silver;}
.red{color:red;}
.top{background:#CCCCCC;cursor:pointer;}
.up{background:#FFFFCC url(up.gif) no-repeat right 5px;}
.down{background:#FFFFCC url(down.gif) no-repeat right 5px;}
.hov{background:#F0EFE5;}
</style>
</head>
<body>
<table cellpadding="0">
<tr><td>点击排序</td><td >点击排序</td><td>点击排序</td><td>点击排序</td></tr>
<tr>
   <td><span>15.43</span></td>
   <td>700</td>
   <td>1.220</td>
   <td></td>
</tr>
    <tr><td><span>7.05</span></td>
<td>4</td>
<td>3,000</td>
<td>asp</td>
    </tr>
    <tr><td><span>30.62</span></td>
<td>30</td>
<td>2,558,800</td>
<td>php</td>
    </tr>
    <tr>
      <td><span>22.30</span></td>
<td>5</td><td>6</td>
<td>js</td>
    </tr>
    <tr><td><span>26.31</span></td>
<td>0.6</td><td>5</td>
<td>网站开发</td>
    </tr>
    <tr><td><span>63.16</span></td>
<td>7</td><td>4</td>
<td>子</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();//所有受影响的td的二维数组
   this.setShow();
},
//设置标签切换
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;
    }
   }
},
//设置选中列样式
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>


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JavaScript实现表格排序方法

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