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本文實例講述了jQuery pager.js 插件動態分頁功能。分享給大家供大家參考，具體如下：
pager.js 代碼
function Page(opt){
var set = $.extend({num:null,startnum:1,elem:null,callback:null},opt||{});
if(set.startnum>set.num||set.startnum<1){
set.startnum = 1;
}
var n = 0,htm = '';
var clickpages = {
elem:set.elem,
num:set.num,
callback:set.callback,
init:function(){
this.elem.next('div.pageJump').children('.button').unbind('click')
this.JumpPages();
this.elem.children('li').click(function () {
var txt = $(this).children('a').text();
var page = '', ele = null;
var page1 = parseInt(clickpages.elem.children('li.active').attr('page'));
if (isNaN(parseInt(txt))) {
switch (txt) {
case '下一頁':
if (page1 == clickpages.num) {
return;
}
if (page1 >= (clickpages.num - 2) || clickpages.num <= 6 || page1 < 3) {
ele = clickpages.elem.children('li.active').next();
} else {
clickpages.newPages('next', page1 + 1);
ele = clickpages.elem.children('li.active');
}
break;
case '上一頁':
if (page1 == '1') {
return;
}
if (page1 >= (clickpages.num - 1) || page1 <= 3 || clickpages.num <= 6) {
ele = clickpages.elem.children('li.active').prev();
} else {
clickpages.newPages('prev', page1 - 1);
ele = clickpages.elem.children('li.active');
}
break;
case '首頁':
if (page1 == '1') {
return;
}
if (clickpages.num > 6) {
clickpages.newPages('首頁', 1);
}
ele = clickpages.elem.children('li[page=1]');
break;
case '尾頁':
if (page1 == clickpages.num) {
return;
}
if (clickpages.num > 6) {
clickpages.newPages('尾頁', clickpages.num);
}
ele = clickpages.elem.children('li[page=' + clickpages.num + ']');
break;
case '...':
return;
}
} else {
// if ((parseInt(txt) >= (clickpages.num - 3) || parseInt(txt) <= 3) && clickpages.num > 6) {
// clickpages.newPages('jump', parseInt(txt));
// }
// ele = $(this);
// }
// page = clickpages.actPages(ele);
// if (page != '' && page != page1) {
// if (clickpages.callback){
// clickpages.callback(parseInt(page));
// }
var i = parseInt(txt);
if(isNaN(i)||(i<=0)||i>clickpages.num){
return;
}else if(clickpages.num>6){
clickpages.newPages('jump',i);
}else{
var ele = clickpages.elem.children('li[page='+i+']');
clickpages.actPages(ele);
if (clickpages.callback){
clickpages.callback(i);
}
return;
}
if (clickpages.callback){
clickpages.callback(i);
}
}
});
},
//active
actPages:function (ele) {
ele.addClass('active').siblings().removeClass('active');
return clickpages.elem.children('li.active').text();
},
JumpPages:function () {
this.elem.next('div.pageJump').children('.button').click(function(){
var i = parseInt($(this).siblings('input').val());
if(isNaN(i)||(i<=0)||i>clickpages.num){
return;
}else if(clickpages.num>6){
clickpages.newPages('jump',i);
}else{
var ele = clickpages.elem.children('li[page='+i+']');
clickpages.actPages(ele);
if (clickpages.callback){
clickpages.callback(i);
}
return;
}
if (clickpages.callback){
clickpages.callback(i);
}
})
},
//newpages
newPages:function (type, i) {
var html = "",htmlLeft="",htmlRight="",htmlC="";
var HL = '<li><a>...</a></li>';
html = '<li class="topEnd"><a aria-label="Previous">首頁</a></li>'
for (var n = 0;n<5;n++){
htmlC += '<li '+((n-1)==0?'class="active"':'')+' page="'+(i+n-1)+'"><a>'+(i+n-1)+'</a></li>';
htmlLeft += '<li '+((n+2)==i?'class="active"':'')+' page="'+(n+2)+'"><a>'+(n+2)+'</a></li>';
htmlRight += '<li '+((set.num+n-5)==i?'class="active"':'')+' page="'+(set.num+n-5)+'"><a>'+(set.num+n-5)+'</a></li>';
}
switch (type) {
case "next":
if(i<=4){
html+='<li page="1"><a>1</a></li>'+htmlLeft+HL+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}else if(i>=(set.num-3)){
html+='<li page="1"><a>1</a></li>'+HL+htmlRight+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}else{
html += '<li page="1"><a>1</a></li>'+HL+htmlC+HL+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}
break;
case "prev":
if(i<=4){
html+='<li page="1"><a>1</a></li>'+htmlLeft+HL+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}else if(i>=(set.num-3)){
html+='<li page="1"><a>1</a></li>'+HL+htmlRight+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}else{
html += '<li page="1"><a>1</a></li>'+HL+htmlC+HL+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}
break;
case "首頁" :
html+='<li class="active" page="1"><a>1</a></li>'+htmlLeft+HL+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
break;
case "尾頁" :
html+='<li page="1"><a>1</a></li>'+HL+htmlRight+'<li class="active" page="'+set.num+'"><a>'+set.num+'</a></li>';
break;
case "jump" :
if(i<=4){
if(i==1){
html+='<li class="active" page="1"><a>1</a></li>'+htmlLeft+HL+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}else{
html+='<li page="1"><a>1</a></li>'+htmlLeft+HL+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}
}else if((i>=set.num-3)&&(set.num>=7)){
if(i==set.num){
html+='<li page="1"><a>1</a></li>'+HL+htmlRight+'<li class="active" page="'+set.num+'"><a>'+set.num+'</a></li>';
}else{
html+='<li page="1"><a>1</a></li>'+HL+htmlRight+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}
}else{
html += '<li page="1"><a>1</a></li>'+HL+htmlC+HL+'<li page="'+set.num+'"><a>'+set.num+'</a></li>';
}
}
html += '<li class="topEnd"><a aria-label="Next">尾頁</a></li>';
if (this.num > 5 || this.num < 3) {
set.elem.html(html);
clickpages.init({num:set.num,elem:set.elem,callback:set.callback});
}
}
}
if(set.num<=1){
$(".pagination").html('');
return;
}else if(parseInt(set.num)<=6){
n = parseInt(set.num);
var html='<li class="topEnd"><a aria-label="Previous">首頁</a></li>';
for(var i=1;i<=n;i++){
if(i==set.startnum){
html+='<li class="active" page="'+i+'"><a>'+i+'</a></li>';
}else{
html+='<li page="'+i+'"><a>'+i+'</a></li>';
}
}
html +='<li class="topEnd"><a aria-label="Next">尾頁</a></li>';
set.elem.html(html);
clickpages.init();
}else{
clickpages.newPages("jump",set.startnum)
}
}
上面是 pager.js部分
html部分
<script type="text/javascript" charset="utf-8" src="/template/js/jquery-1.9.1.min.js"></script>
<script type="text/javascript" charset="utf-8" src="/template/js/pager.js"></script>
</head>
<div class="dataListPag">
<ul class="pagination" id="page1">
</ul>
<div class="pageJump">
<span>前往</span>
<input type="text"/>
<span>頁</span>
<button type="button" class="button">GO</button>
</div>
</div>
<script>
Page({
num:{$page_mum}, //頁碼數
startnum:{$page}, //當前頁面有列表切換，在列表切換的時候修改數字，跳轉到當前頁
elem:$('#page1'), //指定的元素
callback:function(n){ //回調函數
// 在這里請求當前跳轉需要用到的數據
// alert('跳轉到第'+n+'頁，請求此頁數據，此頁有列表切換');
window.location.href='id=xigua_re:system_msg&op=private_msglist&page='+n;
}
});
// 數據列表的循環獲取
$('.userArticleType li').on('click',function () {
$('.userArticleType li').removeClass('choose');
$(this).addClass('choose')
})
</script>
更多關于jQuery相關內容感興趣的讀者可查看本站專題：《jQuery擴展技巧總結》、《jQuery常用插件及用法總結》、《jQuery切換特效與技巧總結》、《jQuery遍歷算法與技巧總結》、《jQuery常見經典特效匯總》、《jQuery動畫與特效用法總結》及《jquery選擇器用法總結》
希望本文所述對大家jQuery程序設計有所幫助。
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