ajax分页效果实现

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>ajax分页</title>
</head>

<body>
<style>
.pagination {font-family: Tahoma;font-size: 12px;height: 22px;margin: 5px 10px;text-align: right;}
.pagination a,.page-cur,.page-start,.page-end,.page-disabled,.page-skip {
height:22px;line-height:22px;margin:0 3px 0 0;text-align:center;vertical-align:middle;white-space:nowrap;}
.pagination input {border-width: 1px;}
.page-start, .pagination a, .page-end, .page-disabled {border: 1px solid #CCCCCC;padding: 0 5px;}
.pagination a {text-decoration: none;}
.page-cur {background-color: #FFEDE1;border: 1px solid #FD6D01;color: #FD6D01;font-weight: 700;padding: 0 5px;}
.page-disabled {color: #CCCCCC;}
.page-skip {color: #666666;padding: 0 3px;}
</style>
<div id="pageNav">
</div>
<script>
testPage(1);
function testPage(curPage){
supage('pageNav','testPage','',curPage,100,5);
}

/**

* @param {String} divName 分页导航渲染到的dom对象ID
* @param {String} funName 点击页码需要执行后台查询数据的JS函数
* @param {Object} params 后台查询数据函数的参数，参数顺序就是该对象的顺序，当前页面一定要设置在里面的
* @param {String} total 后台返回的总记录数
* @param {Boolean} pageSize 每页显示的记录数，默认是10
*/
function supage(divId, funName, params, curPage, total, pageSize){
var output = '<div class="pagination">';
var pageSize = parseInt(pageSize)>0 ? parseInt(pageSize) : 10;
if(parseInt(total) == 0 || parseInt(total) == 'NaN') return;
var totalPage = Math.ceil(total/pageSize);
var curPage = parseInt(curPage)>0 ? parseInt(curPage) : 1;

//从参数对象中解析出来各个参数
var param_str = '';
if(typeof params == 'object'){
for(o in params){
if(typeof params[o] == 'string'){
param_str += '\'' + params[o] + '\',';
}
else{
param_str += params[o] + ',';
}
}
//alert(111);
}
//设置起始页码
if (totalPage > 10) {
if ((curPage - 5) > 0 && curPage < totalPage - 5) {
var start = curPage - 5;
var end = curPage + 5;
}
else if (curPage >= (totalPage - 5)) {
var start = totalPage - 10;
var end = totalPage;
}
else {
var start = 1;
var end = 10;
}
}
else {
var start = 1;
var end = totalPage;
}

//首页控制
if(curPage>1){
output += '<a href="javascript:'+funName+'(' + param_str + '1);" title="第一页" class="page-first">«</a>';
}
else
{
output += '<span class="page-disabled">«</span> ';
}
//上一页菜单控制
if(curPage>1){
output += '<a href="javascript:'+funName+'(' + param_str + (curPage-1)+');" title="上一页" class="page-previous">‹</a>';
}
else{
output += '<span class="page-disabled">‹</span>';
}

//页码展示
for (i = start; i <= end; i++) {
if (i == curPage) {
output += '<a href="javascript:;" class="page-cur">' + curPage + '</a>';
}
else {
output += '<a href="javascript:'+funName+'(' + param_str + i + ');">' + i + '</a>';
}
}
//下一页菜单控制
if(totalPage>1 && curPage<totalPage){
output += '<a title="下一页" href="javascript:'+funName+'('+param_str + (curPage+1)+');" class="page-next">›</a>';
}
else{
output += '<span class="page-disabled">›</span>';
}
//尾页控制
if(curPage<totalPage){
output += '<a title="尾页" href="javascript:'+funName+'('+param_str + totalPage+');" class="page-end">»</a>';
}
else{
output += '<span class="page-disabled">»</span>';
}