JavaScript高级程序设计阅读笔记（十九） js表格排序

时间:2020-05-13 人气:0

排序代码

调用示例

复制代码代码如下:

完整Demo:

<!DOCTYPE html> 
<html> 
<head> 
<meta charset="utf-8"/> 
<title>JSCode demo</title> 
<style type="text/css"> 
table{ 
border-collapse:collapse; 
} 
table thead tr{ 
cursor:pointer; 
background:#EEE; 
} 
td{ 
border:1px solid #CCC; 
padding:10px; 
} 
</style> 
<script type="text/javascript"> 
function SortTable(sTableID, iCol, sDataType){ 
this.oTable=document.getElementById(sTableID); 
this.oTBody=this.oTable.tBodies[0]; 
this.colDataRows=this.oTBody.rows; 
this.aTRs=[]; 
this.iCol=iCol; 
this.sDataType=sDataType; 
} 
SortTable.prototype={ 
convert:function(sValue, sDataType){ 
switch(sDataType){ 
case "int": 
return parseInt(sValue); 
case "float": 
return parseFloat(sValue); 
case "date": 
return new Date(sValue); 
default: 
return sValue.toString(); 
} 
}, 
generateCompareTRs:function(iCol, sDataType, that){ 
return function compareTRs(oTR1,oTR2){ 
var vValue1= that.convert(oTR1.cells[iCol].firstChild.nodeValue, sDataType), 
vValue2= that.convert(oTR2.cells[iCol].firstChild.nodeValue, sDataType); 
if(vValue1 < vValue2){ 
return -1; 
} else if(vValue1 > vValue2){ 
return 1; 
} else{ 
return 0; 
} 
}; 
}, 
sort:function(){ 
for(var i=0,l=this.colDataRows.length;i<l;i++){ 
this.aTRs.push(this.colDataRows[i]); 
} 
if(this.oTable.sortCol === this.iCol){ 
this.aTRs.reverse(); 
} else { 
this.aTRs.sort(this.generateCompareTRs(this.iCol, this.sDataType, this)); 
} 
var oFragment=document.createDocumentFragment(); 
for(var i=0,l=this.aTRs.length;i<l;i++){ 
oFragment.appendChild(this.aTRs[i]); 
} 
this.oTBody.appendChild(oFragment); 
this.oTable.sortCol = this.iCol; 
} 
} 
function bindSortTable(sTableID, iCol, sDataType){ 
var table=document.getElementById(sTableID), 
ftr=table.tHead.rows[0], 
tds=ftr.cells; 
if(tds[iCol]){ 
tds[iCol].onclick=function(){ 
var sortTable=new SortTable(sTableID, iCol, sDataType); 
sortTable.sort(); 
} 
} 
} 
window.onload=function(){ 
bindSortTable("tblSort",0); 
bindSortTable("tblSort",1); 
bindSortTable("tblSort",2,"int"); 
bindSortTable("tblSort",3,"float"); 
bindSortTable("tblSort",4,"date"); 
} 
</script> 
</head> 
<body> 
<table id="tblSort"> 
<thead> 
<tr> 
<td>Last Name</td> 
<td>First Name</td> 
<td>Number</td> 
<td>Score</td> 
<td>Birthday</td> 
</tr> 
</thead> 
<tbody> 
<tr> 
<td>O</td> 
<td>D</td> 
<td>5</td> 
<td>20.1</td> 
<td>7/12/1999</td> 
</tr> 
<tr> 
<td>P</td> 
<td>C</td> 
<td>3</td> 
<td>30.1</td> 
<td>7/12/1990</td> 
</tr> 
<tr> 
<td>Q</td> 
<td>B</td> 
<td>4</td> 
<td>27.1</td> 
<td>7/12/1995</td> 
</tr> 
<tr> 
<td>R</td> 
<td>A</td> 
<td>2</td> 
<td>24.1</td> 
<td>7/12/1998</td> 
</tr> 
</tbody> 
</table> 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

作者：Artwl
出处：http://artwl.cnblogs.com

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JavaScript高级程序设计 阅读笔记（十九） js表格排序

JavaScript高级程序设计阅读笔记（十九） js表格排序