仿豆瓣分页原型（Javascript版）

人气：　来源：本站原创　作者：twocity.…　所属栏目：导航类　[切换到繁體中文]

介绍：自我感觉，这样的分页前后兼顾，对于用户的体验是蛮好使的。

演示：

<!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" />
<title>站长手册_特效演示_仿豆瓣分页原型（Javascript版）</title>
<style><!--body,td{font-size: 12px;}--></style>
	<style type="text/css" title="currentStyle" media="screen">
		/* Paginator */
		.paginator {
			font: 14.8px normal Arial, Helvetica, sans-serif;
			color: #666666;
			margin-top: 10px;
			margin-bottom: 5px;
			line-height: 150%;
			background-color: #EEFFEE;
			text-align: center;
		}
		.paginator a, .thispage, .break {
			padding: 2px 4px;
		}
		.paginator .prev {
			margin-right: 20px;
		}
		.paginator .next {
			margin-left: 20px;
		}
		.paginator .count {
			margin-left: 20px;
			font-size: 11px;
		}
	</style>
</head>
<body bgcolor="" 无>
<table width="100%" height="1000" border="0" cellpadding="10" cellspacing="5">
<tr>
<td valign="top">
<div id="pagebar" class="paginator"></div>
<script language="javascript" type="text/javascript">
function QueryString(item){
	var sValue=location.search.match(new RegExp("[\?\&]"+item+"=([^\&]*)(\&?)","i"))
	return sValue?sValue[1]:sValue
}
var count = 560;
var perpage = 20;
var currentpage = QueryString("page");
if (currentpage==null){
	currentpage = 1;
}else{
	currentpage = parseInt(currentpage);
}
var pagecount = Math.floor(count/perpage);
var pagestr = "";
var breakpage = 9;
var currentposition = 4;
var breakspace = 2;
var maxspace = 4;
var prevnum = currentpage-currentposition;
var nextnum = currentpage+currentposition;
if(prevnum<1) prevnum = 1;
if(nextnum>pagecount) nextnum = pagecount;
pagestr += (currentpage==1)?'<span class="prev">< 前页</span>':'<span class="prev">< <a href="?page='+(currentpage-1)+'">前页</a></span>';
if(prevnum-breakspace>maxspace){
	for(i=1;i<=breakspace;i++)
		pagestr += '<a href="?page='+i+'">'+i+'</a>';
	pagestr += '<span class="break">...</span>';
	for(i=pagecount-breakpage+1;i<prevnum;i++)
		pagestr += '<a href="?page='+i+'">'+i+'</a>';
}else{
	for(i=1;i<prevnum;i++)
		pagestr += '<a href="?page='+i+'">'+i+'</a>';
}
for(i=prevnum;i<=nextnum;i++){
	pagestr += (currentpage==i)?'<span class="thispage">'+i+'</span>':'<a href="?page='+i+'">'+i+'</a>';
}
if(pagecount-breakspace-nextnum+1>maxspace){
	for(i=nextnum+1;i<=breakpage;i++)
		pagestr += '<a href="?page='+i+'">'+i+'</a>';
	pagestr += '<span class="break">...</span>';
	for(i=pagecount-breakspace+1;i<=pagecount;i++)
		pagestr += '<a href="?page='+i+'">'+i+'</a>';
}else{
	for(i=nextnum+1;i<=pagecount;i++)
		pagestr += '<a href="?page='+i+'">'+i+'</a>';
}
pagestr += (currentpage==pagecount)?'<span class="next">后页 ></span>':'<span class="next"><a href="?page='+(currentpage+1)+'">后页</a> ></span>';
document.getElementById("pagebar").innerHTML = pagestr;
</script>
</td>
</tr>
</table>
</body>
</html>

[Ctrl+A全选提示：你可先修改部分代码，再按运行]

下面教你如何应用此特效：
　--------------------------------------------------------------------------------------
　　需要在<body 这里>加入的代码：无
　--------------------------------------------------------------------------------------

以下代码加到<head>…</head>中

以下代码加到<body>…</body>中

<div id="pagebar" class="paginator"></div>
<script language="javascript" type="text/javascript">
function QueryString(item){
var sValue=location.search.match(new RegExp("[\?\&]"+item+"=([^\&]*)(\&?)","i"))
return sValue?sValue[1]:sValue
}
var count = 560;
var perpage = 20;
var currentpage = QueryString("page");
if (currentpage==null){
currentpage = 1;
}else{
currentpage = parseInt(currentpage);
}
var pagecount = Math.floor(count/perpage);
var pagestr = "";
var breakpage = 9;
var currentposition = 4;
var breakspace = 2;
var maxspace = 4;
var prevnum = currentpage-currentposition;
var nextnum = currentpage+currentposition;
if(prevnum<1) prevnum = 1;
if(nextnum>pagecount) nextnum = pagecount;
pagestr += (currentpage==1)?'<span class="prev">< 前页</span>':'<span class="prev">< <a href="?page='+(currentpage-1)+'">前页</a></span>';
if(prevnum-breakspace>maxspace){
for(i=1;i<=breakspace;i++)
  pagestr += '<a href="?page='+i+'">'+i+'</a>';
pagestr += '<span class="break">...</span>';
for(i=pagecount-breakpage+1;i<prevnum;i++)
  pagestr += '<a href="?page='+i+'">'+i+'</a>';
}else{
for(i=1;i<prevnum;i++)
  pagestr += '<a href="?page='+i+'">'+i+'</a>';
}
for(i=prevnum;i<=nextnum;i++){
pagestr += (currentpage==i)?'<span class="thispage">'+i+'</span>':'<a href="?page='+i+'">'+i+'</a>';
}
if(pagecount-breakspace-nextnum+1>maxspace){
for(i=nextnum+1;i<=breakpage;i++)
  pagestr += '<a href="?page='+i+'">'+i+'</a>';
pagestr += '<span class="break">...</span>';
for(i=pagecount-breakspace+1;i<=pagecount;i++)
  pagestr += '<a href="?page='+i+'">'+i+'</a>';
}else{
for(i=nextnum+1;i<=pagecount;i++)
  pagestr += '<a href="?page='+i+'">'+i+'</a>';
}
pagestr += (currentpage==pagecount)?'<span class="next">后页 ></span>':'<span class="next"><a href="?page='+(currentpage+1)+'">后页</a> ></span>';
document.getElementById("pagebar").innerHTML = pagestr;
</script>