javascript 表格排序方法

作者：袖梨 2022-06-25

提示：您可以先修改部分代码再运行

<html> 
<head> 
<title>二维排序表格</title> 
<style type="text/<a href="http://www.111com.net/cssdiv/css.html" target="_blank">css</a>"> 
* 
{ 
font-family: Tahoma, Arial, Serif; 
font-size: 14; 
} 
body 
{ 
text-align: center; 
min- 
} 
#main 
{ 
 
margin: 0 auto; 
text-align: left; 
} 
p 
{ 
border-bottom: dotted 1px #e63; 
font-size: 24px; 
font-family: Arial; 
font-weight: bold; 
} 
/* 设置表格样式 */table 
{ 
text-align: center; 
border: solid 1px #4682b4; 
width: 80%; 
background-color: #4682b4; 
} 
th 
{ 
background-color: #6495ed; 
cursor: pointer; 
color: White; 
 
} 
/* 配上单元格样式以后，表格呈现出细线的边框 */td 
{ 
background-color: #fff; 
padding: 4px; 
} 
/* 深蓝色（鼠标经过） */.activecol 
{ 
background-color: #005eae; 
} 
</style> 
<script type="text/javascript"> 
//------------以下是对二维数组的初始化与显示操作---------- 
// 记录二维数组 
var twoArr = new Array(5); 
// 初始化二维数组 
function initTwoArr() { 
for (var i = 0; i < twoArr.length; i++) { 
twoArr[i] = new Array(6); 
for (var j = 0; j < 6; j++) { 
twoArr[i][j] = getRandom(); 
} 
} 
showTwoArrOnTable(); 
} 
// 得到0-100内的随机数 
function getRandom() { 
var result = Math.round(Math.random() * 100 - 1); 
return result; 
} 
// 把二维表显示在table中 
function showTwoArrOnTable() { 
if (twoArr == null || twoArr.length < 1) { 
alert("数组初始化失败!"); 
return; 
} 
// 设置td的数值 
var allTd = document.getElementById("tb").getElementsByTagName("td"); 
var tdIndex = 0; 
for (var i = 0; i < twoArr.length; i++) { 
// 为每个单元格设置id,格式 1-2 与数组的下标对应的 
var idValue; 
for (var j = 0; j < twoArr[i].length; j++) { 
idValue = i.toString() + "-" + j.toString(); 
allTd[tdIndex].id = idValue; 
allTd[tdIndex].innerHTML = twoArr[i][j]; 
tdIndex++; 
} 
} 
} 
//------------以下是对table的操作---------- 
// 记录当前列(数字型)与当前的排序顺序(布尔型) 
var currentCol; 
var currentReverse; 
// 根据(col-列索引值)排序 
function sortColumn(col) { 
// 判断是否要对数组倒序 
var doReverse; 
// 如果再次单击当前列，则设置逆序的标志，并记录排序的方式(正序/逆序) 
if (col == currentCol) { 
doReverse = true; 
currentReverse = !currentReverse; 
} 
else { 
currentReverse = false; 
} 
// 记录当前排序的字段 
currentCol = col; 
// 把table的所有行放入数组中 
var tb = document.getElementById("tb"); 
var tbody = tb.rows[1].parentNode; 
var allTr = new Array(); 
for (var i = 1; i < tb.rows.length; i++) { 
allTr.push(tb.rows[i]); 
} 
if (doReverse) { 
allTr.reverse(); 
} 
else { 
allTr.sort(createComp(col)); 
} 
// 把排好序的行集合加入到table中 
var frag = document.createDocumentFragment(); 
for (var i = 0; i < allTr.length; i++) { 
frag.appendChild(allTr[i]); 
} 
tbody.appendChild(frag); 
} 
// 根据(col-列索引值)返回一个排序规则 
function createComp(col) { 
// 比较函数(正序) 
var compFunc = function(trA, trB) { 
// 取出要比较的值 
var valA = trA.cells[col].firstChild.nodeValue.trim(); 
var valB = trB.cells[col].firstChild.nodeValue.trim() 
return comp(valA, valB); 
}; 
return compFunc; 
} 
// 对string对象进行扩展，去除字符串两端的空格 
String.prototype.trim = function() { 
var reg = /^s+|s+$/g; 
return this.replace(reg, ""); 
} 
// 默认比较方式(升序) 
function comp(a, b) { 
a = parseInt(a); 
b = parseInt(b); 
return (a < b) ? -1 : ((a > b) ? 1 : 0); 
} 
var desc = false; // 默认为升序 
// 根据传入的l列排序table 
function sortRow(rowTh) { 
// 找出rowIndex; 
var rowIndex; 
var tbody = document.getElementById("tb").childNodes[1]; 
var allTr = tbody.childNodes; 
for (var i = 0; i < allTr.length; i++) { 
if (rowTh == allTr[i].firstChild) { 
rowIndex = i; 
break; 
} 
} 
// 对数组进行排序，再填充到table 
arrRowSortFunc(rowIndex, desc); 
desc = !desc; 
showTwoArrOnTable(); 
} 
// 对twoArr进行分组冒泡排序 
function arrRowSortFunc(rowIndex, isDesc) { 
var row = twoArr[rowIndex]; 
for (var i = 0; i < row.length; i++) { 
for (var j = 0; j < row.length - i - 1; j++) { 
if (isDesc) { 
// 如果是逆序 
if (row[j] < row[j + 1]) { 
// 交换当前数组的同时要交换对应列的其他数据 
var tmp = row[j]; 
row[j] = row[j + 1]; 
row[j + 1] = tmp; 
for (var m = 0; m < twoArr.length; m++) { 
if (m != rowIndex) { 
var tmp2 = twoArr[m][j]; 
twoArr[m][j] = twoArr[m][j + 1]; 
twoArr[m][j + 1] = tmp2; 
} 
} 
} 
} 
else { 
// 升序 
if (row[j] > row[j + 1]) { 
// 交换当前数组的同时要交换对应列的其他数据 
var tmp = row[j]; 
row[j] = row[j + 1]; 
row[j + 1] = tmp; 
for (var m = 0; m < twoArr.length; m++) { 
if (m != rowIndex) { 
var tmp2 = twoArr[m][j]; 
twoArr[m][j] = twoArr[m][j + 1]; 
twoArr[m][j + 1] = tmp2; 
} 
} 
} 
} 
} 
} 
} 
// 设置鼠标经过表头样式 
function setActiveCol(activeCol) { 
activeCol.className = "activecol"; 
} 
function setLoseFocusCol(col) { 
col.className = ""; 
} 
// 当鼠标单击cell单元格时，把当前单元格设置为input输入框 
function inputValue(cell) { 
var oldValue = cell.innerHTML.trim(); 
// 如果已经双击过了，则不做任何动作 
var reg = /<input/gi; 
if (reg.test(oldValue)) 
return; 
// 否则的话，则改为输入框 
var input = "<input type='text' style='px;' value='" + oldValue + "' onblur='saveChange(this," + oldValue + ")' " + " />"; 
cell.innerHTML = input; 
// 把光标移到input内 
cell.firstChild.focus(); 
} 
// 保存改变的值 
function saveChange(input, voldValue) { 
// 记录输入框的值 
var newValue = input.value; 
if (newValue == "" || isNaN(newValue)) { 
// 如果输入的值不是数字或者为空，则还原为原始值 
newValue = voldValue; 
} 
// 处理单元格id，则可以对应数组下标 
var arrIndex = input.parentNode.id; 
var reg = /-/; 
var arrIndexAB = arrIndex.split(reg); 
var arrIndexA = arrIndexAB[0]; 
var arrIndexB = arrIndexAB[1]; 
// 更改对应数组的值 
twoArr[arrIndexA][arrIndexB] = newValue; 
// 更改单元格的显示 
input.parentNode.innerHTML = newValue; 
} 
function showMe() { 
alert("作者：叶志雄"); 
} 
</script> 
</head> 
<body onload="initTwoArr()"> 
<div id="main"> 
<p> 
二维排序表格</p> 
<table id="tb" border="0" cellpadding="1" cellspacing="1"> 
<thead> 
<tr> 
<th> 
  
</th> 
<th onclick="sortColumn(1)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
列1 
</th> 
<th onclick="sortColumn(2)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
列2 
</th> 
<th onclick="sortColumn(3)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
列3 
</th> 
<th onclick="sortColumn(4)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
列4 
</th> 
<th onclick="sortColumn(5)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
列5 
</th> 
<th onclick="sortColumn(6)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
列6 
</th> 
</tr> 
</thead> 
<tbody> 
<tr> 
<th onclick="sortRow(this)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
行1 
</th> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
</tr> 
<tr> 
<th onclick="sortRow(this)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
行2 
</th> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
</tr> 
<tr> 
<th onclick="sortRow(this)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
行3 
</th> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
</tr> 
<tr> 
<th onclick="sortRow(this)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
行4 
</th> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
</tr> 
<tr> 
<th onclick="sortRow(this)" onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)"> 
行5 
</th> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
<td onmousemove="setActiveCol(this)" onmouseout="setLoseFocusCol(this)" ondblclick="inputValue(this)"> 
  
</td> 
</tr> 
</tbody> 
</table> 
<div style="margin-top: 50px; background-color: #eeedf0; width: 80%; font-size: 12px;"> 
说明：<br> 
1.排序功能：单击行表头或列表头则进行正序排序；若再次单击，则进行逆序；<br> 
2.修改功能：双击某个单元格，则可进行输入操作，当输入框失去焦点时，则新数据被保存；<br> 
3.随机功能：每次刷新页面，表格中的数据都不一样；<br> 
</div> 
</div> 
</body> 
</html>

提示：您可以先修改部分代码再运行

javascript 表格排序方法

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