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JavaScript -- 控制table的创建 与 删除, 排序, 表格颜色

2013-11-29 23:17 676 查看 


<!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>无标题文档</title>
<link rel="stylesheet" href="table1.css" />
<script type="text/javascript">

function createTab(src)
{
var row = document.getElementsByName("rows")[0].value;
var col = document.getElementsByName("cols")[0].value;

if(row=="" || col=="")
return;

var tabNode = document.createElement("table");

for(var i=0; i<row; i++)
{
var trNode = tabNode.insertRow();
for(var j=0; j<col; j++)
{
var tdNode = trNode.insertCell();
tdNode.innerHTML = "<input type='button' value='按键"+ i + j +"'  />"
}
}

var divNode = document.getElementsByTagName("div")[0];
divNode.appendChild(tabNode);
event.srcElement.disabled = true;
}

function deleteTab(src)
{
var tabNode = document.getElementsByTagName("table")[0];
var row = document.getElementsByName("row")[0].value;
var col = document.getElementsByName("col")[0].value;

//alert(tabNode.nodeName + row + col);
if(tabNode==null)
{
alert("没有创建表格");
return;
}

if(row!="" && row<tabNode.rows.length)
{
tabNode.deleteRow(row);
return;
}

if(col!="" && col<tabNode.rows[0].cells.length)
{
var trNodes = document.getElementsByTagName("tr");
for(var k=0; k<trNodes.length; k++)
{
trNodes[k].deleteCell(col);
}
return;
}

alert("输入的行列数有误");
}

</script>

</head>

<body>

<input type="button" value="一个按钮创建表格" onclick="createTab(this)" />
<input type="button" value="删除表格的行列" onclick="deleteTab(this)" /><br />
行：<input type="text" name="rows" />  列:<input type="text" name="cols"  /> <br />
删除行：<input type="text" name="row" />  删除列:<input type="text" name="col"  /> <br />
<div>

</div>

</body>
</html>




<!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" />
<link rel="stylesheet" href="table1.css" />
<title>无标题文档</title>

<script type="text/javascript">

var flag = true;
function sortTab(src)
{
var tabNode = document.getElementsByTagName("table")[0];
var rows = tabNode.rows;

var arr = new Array();
for(var i=1; i<rows.length; i++)
{
arr[i-1] = rows[i];  //将 表格行的引用 放入数组
}

sortt(arr);

var tbNode = tabNode.childNodes[0];

if(flag)  //正反排序
{
for(var j=0; j<arr.length; j++)
{
tbNode.appendChild(arr[j]);
}
flag =false;
}
else
{
for(var j=arr.length-1; j>=0; j--)
{
tbNode.appendChild(arr[j]);
}
flag =trues;
}

}

function sortt(arr) //冒泡排序
{
for(var x=0; x<arr.length; x++)
{
for(var y=x+1; y<arr.length; y++)
{
if(parseInt(arr[x].cells[2].innerText) > parseInt(arr[y].cells[2].innerText))
{
var temp = arr[x];
arr[x] = arr[y];
arr[y] = temp;
}
}
}
}

</script>

</head>

<body>

<div>
<table>
<tr>
<th>姓名</th>
<th>地址</th>
<th><a href="javascript:void(0)" onclick="sortTab(this)"> 年龄</a></th>
</tr>

<tr>
<td>张三</td>
<td>上海</td>
<td>6</td>
</tr>

<tr>
<td>张三</td>
<td>上海</td>
<td>49</td>
</tr>

<tr>
<td>李四</td>
<td>长沙</td>
<td>30</td>
</tr>

<tr>
<td>王五</td>
<td>北京</td>
<td>22</td>
</tr>

<tr>
<td>王五</td>
<td>北京</td>
<td>11</td>
</tr>

</table>
</div>

</body>
</html>


表格颜色， 鼠标放上加亮显示



<!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" />
<link rel="stylesheet" href="table1.css" />
<title>无标题文档</title>

<style type="text/css">
.one{
background-color:#CC99FF;
}
.two{
background-color:#00FFFF;
}
.over{
background-color:#FFFFFF;
}

</style>

<script type="text/javascript">

var classname="";
function colorTab()
{
var tabNode = document.getElementsByTagName("table")[0];
var rows = tabNode.rows;
for(var i=1; i<rows.length; i++)
{
if(i%2==1)
rows[i].className = "one";
else
rows[i].className = "two";

rows[i].onmouseover = function()
{
classname = this.className;
this.className = "over";
}
rows[i].onmouseout = function()
{
this.className = classname;
}
}
}

window.onload = colorTab;

</script>

</head>

<body>

<div>
<table>
<tr>
<th>姓名</th>
<th>地址</th>
<th><a href="javascript:void(0)" onclick="colorTab(this)"> 年龄</a></th>
</tr>

<tr>
<td>张三</td>
<td>上海</td>
<td>6</td>
</tr>

<tr>
<td>张三</td>
<td>上海</td>
<td>49</td>
</tr>

<tr>
<td>李四</td>
<td>长沙</td>
<td>30</td>
</tr>

<tr>
<td>王五</td>
<td>北京</td>
<td>22</td>
</tr>

<tr>
<td>王五</td>
<td>北京</td>
<td>11</td>
</tr>

</table>
</div>

</body>
</html>
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