本文实例讲述了jQuery pager.js 插件动态分页功能。分享给大家供大家参考，具体如下：
pager.js 代码
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 \'下一页\':
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 \'上一页\':
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 \'首页\':
if (page1 == \'1\') {
return;
}
if (clickpages.num > 6) {
clickpages.newPages(\'首页\', 1);
}
ele = clickpages.elem.children(\'li[page=1]\');
break;
case \'尾页\':
if (page1 == clickpages.num) {
return;
}
if (clickpages.num > 6) {
clickpages.newPages(\'尾页\', 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\">首页</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 \"首页\" :
html+=\'<li class=\"active\" page=\"1\"><a>1</a></li>\'+htmlLeft+HL+\'<li page=\"\'+set.num+\'\"><a>\'+set.num+\'</a></li>\';
break;
case \"尾页\" :
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\">尾页</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){
$(\".pagination\").html(\'\');
return;
}else if(parseInt(set.num)<=6){
n = parseInt(set.num);
var html=\'<li class=\"topEnd\"><a aria-label=\"Previous\">首页</a></li>\';
for(var i=1;i<=n;i++){
if(i==set.startnum){
html+=\'<li class=\"active\" page=\"\'+i+\'\"><a>\'+i+\'</a></li>\';
}else{
html+=\'<li page=\"\'+i+\'\"><a>\'+i+\'</a></li>\';
}
}
html +=\'<li class=\"topEnd\"><a aria-label=\"Next\">尾页</a></li>\';
set.elem.html(html);
clickpages.init();
}else{
clickpages.newPages(\"jump\",set.startnum)
}
}
上面是 pager.js部分
html部分
<script type=\"text/javascript\" charset=\"utf-8\" src=\"/template/js/jquery-1.9.1.min.js\"></script>
<script type=\"text/javascript\" charset=\"utf-8\" src=\"/template/js/pager.js\"></script>
</head>
<div class=\"dataListPag\">
<ul class=\"pagination\" id=\"page1\">
</ul>
<div class=\"pageJump\">
<span>前往</span>
<input type=\"text\"/>
<span>页</span>
<button type=\"button\" class=\"button\">GO</button>
</div>
</div>
<script>
Page({
num:{$page_mum}, //页码数
startnum:{$page}, //当前页面有列表切换，在列表切换的时候修改数字，跳转到当前页
elem:$(\'#page1\'), //指定的元素
callback:function(n){ //回调函数
// 在这里请求当前跳转需要用到的数据
// alert(\'跳转到第\'+n+\'页，请求此页数据，此页有列表切换\');
window.location.href=\'id=xigua_re:system_msg&op=private_msglist&page=\'+n;
}
});
// 数据列表的循环获取
$(\'.userArticleType li\').on(\'click\',function () {
$(\'.userArticleType li\').removeClass(\'choose\');
$(this).addClass(\'choose\')
})
</script>
更多关于jQuery相关内容感兴趣的读者可查看本站专题：《jQuery扩展技巧总结》、《jQuery常用插件及用法总结》、《jQuery切换特效与技巧总结》、《jQuery遍历算法与技巧总结》、《jQuery常见经典特效汇总》、《jQuery动画与特效用法总结》及《jquery选择器用法总结》
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