回歸原始,當樣式切換後,把控制權還給頁面,即table.js僅控制切換樣式和記錄操作:
復制代碼 代碼如下:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>New Web Project</title>
<style type="text/css">
.sidebar {
width: 140px;
background: #C9E4D6;
min-height: 600px;
float: left;
border-left: solid 1px #C8C8C8;
}
.sidebar ul {
list-style:none;
text-align: left;
padding: 20px 0px 0px 0px;
}
.sidebar ul li {
border-bottom: 1px dotted #C8C8C8;
font-size: 14px;
height: 30px;
line-height: 30px;
padding-left: 15px;
margin-left: 15px;
cursor: pointer;
}
.sidebar .active {
background: #fff;
}
.content{
height:600px;
width:400px;
border-right:1px solid #ccc;
margin-left:140px;
padding:20px;
display:none;
}
</style>
</head>
<body>
<div class="sidebar" id="sidebar">
<ul>
<li point="table1">
選項一
</li>
<li point="table2">
選項二
</li>
<li point="table3">
選項三
</li>
<li point="table4">
選項四
</li>
<li point="table5">
選項五
</li>
</ul>
</div>
<div id="table1" class="content">
這是第一個選項卡的內容
</div>
<div id="table2" class="content">
這是第二個選項卡的內容
</div>
<div id="table3" class="content">
這是第三個選項卡的內容
</div>
<div id="table4" class="content">
這是第四個選項卡的內容
</div>
<div id="table5" class="content">
這是第五個選項卡的內容
</div>
</body>
<script type="text/javascript" src="table.js"> </script>
<script type="text/javascript">
//回調函數 可用參數:obj.lastIndex(上次選項索引) obj.index(當前選項索引) obj.arr(選項卡元素數組)
var back=function(obj)
{
var lastPoint=obj.arr[obj.lastIndex].getAttribute("point");
var curentPoint=obj.arr[obj.index].getAttribute("point");
document.getElementById(lastPoint).style.display="none";
document.getElementById(curentPoint).style.display="block";
}
//參數分別為:選項塊ID 選中的樣式 回調函數 默認選擇項(0開始)
table("sidebar", "active",back,0);
</script>
</html>
復制代碼 代碼如下:
//回調函數 可用參數:obj.lastIndex(上次選項索引) obj.index(當前選項索引) obj.arr(選項卡元素數組)
var back=function(obj)
{
var lastPoint=obj.arr[obj.lastIndex].getAttribute("point");
var curentPoint=obj.arr[obj.index].getAttribute("point");
document.getElementById(lastPoint).style.display="none";
document.getElementById(curentPoint).style.display="block";
}
//參數分別為:選項塊ID 選中的樣式 回調函數 默認選擇項(0開始)
table("sidebar", "active",back,0);
table.js代碼如下:
復制代碼 代碼如下:
/**
* @author Sky
*/
var table=function(id,active,callBack,index)
{
table[id]=new Table(id,active,callBack,index);
table[id].bind();
}
var Table=function(id,active,callBack,index)
{
this.index=parseInt(index)||0;//當前索引
this.lastIndex=this.index;//上次索引
this.callBack=callBack||function(){};
this.active=active||"active";
this.id=id;
this.arr=document.getElementById(id).getElementsByTagName("li");
}
Table.prototype={
bind:function()
{
//初始化選項樣式
this.setTable(this.index);
//綁定事件
var _self=this;
for (var i = 0; i < this.arr.length; i++)
{
this.arr[i].setAttribute("extatt", i);//鉤子
this.arr[i].onclick = function(e)
{
var _e = window.event||e;
var _target=_e.srcElement || _e.target;
_self.setTable(parseInt(_target.getAttribute("extatt")));
}
}
},
setTable:function(index)
{
this.lastIndex=this.index;
this.index=index;
//清除之前選項的樣式
this.arr[this.lastIndex].className="";
//激活當前選項的樣式
this.arr[this.index].className=this.active;
//執行回調函數
this.callBack(table[this.id]);
}
}