jquery分页插件

/*分页*/

.pageList {
clear: both;
overflow: hidden;
}

.pageList a,
.pageList span {
border: 1px solid #ccc;
margin-left: 10px;
float: left;
display: block;
overflow: hidden;
padding: 3px;
font-family: 微软雅黑;
font-size: 12px;
min-width: 15px;
text-align: center;
height: 20px;
line-height: 20px;
cursor: pointer;
}
.pageList a:hover,
.pageList_Current {
background-color: #278DE1;
color: white;
}

.pageList .pageList_Hidden {
border: none;
cursor: default;
}

.pageList .pageList_Hidden:hover {
background-color: transparent;
}

.pageList input.jumpNum {
width: 30px;
border: 1px solid #8c8c8c;
float: left;
width: 20px;
height: 20px;
margin-left: 5px;
line-height: 20px;
padding: 3px;
text-align: center;
}

.pageList a.jumpText {
border: none;
background: none;
outline: none;
margin-left: 0;
text-decoration: none;
color: #333;
}

.pageList a.jumpText:hover {
color: #960;
}

(function($){
var defaults={
num:10,    //页码个数
count:102, //总数
size:10, //每页展示条数
//hiddenPosition:7,
page:1,    //当前页
clickEvent:function(page){

}
};
//重置html
function resetHtml(opts,obj,pageCount){
var middlePage=Math.ceil(pageCount/2);//中间页
//var currentPos=0;//当前位置()
var i=1,j=0;
var n=0; //另一端的页码数
var z=0;//当前页的前一页或后一页
var maxPage=0;
var getPageHtml=function(type,page){
var currentPage="";
if(type==1){//省略号
return "<span class='pageList_Hidden'>...</span>";
}else if(type==2){
if(page==opts.page){
currentPage="pageList_Current";
}
return "<a class='pageList_Num "+currentPage+"'>" + page + "</a>";
}
};
var html="<a class='pageList_FirstPage'><label>首页</label></a>";
html+="<a class='pageList_PrevPage'>上页</a>";
if(pageCount<=opts.num){//没有省略号
for(;i<pageCount;i++){
html+=getPageHtml(2,i);
}
}else{//有省略号
n=opts.num-4;//剩余页码的坑
if(opts.page<=middlePage){// x+1+3  1是省略号 3是后面几个页码
z=opts.page+1;//当前页的后一页,省略号的前一格
if(z<=n){//
for(i=1;i<=n;i++){
html+=getPageHtml(2,i);
}
}else{
for(i=(z-n+1);i<=z;i++){
html+=getPageHtml(2,i);
}
}
html += getPageHtml(1);

for(i=pageCount-2;i<=pageCount;i++){
html+=getPageHtml(2,i);
}

}else{// 3+1+x 1是省略号 3是前面几个页码
for(i=1;i<=3;i++){
html+=getPageHtml(2,i);
}
html += getPageHtml(1);
//debugger
z=opts.page-1;//当前页的前一页,省略号的后一格
maxPage=z+n-1;
//maxPage=maxPage>pageCount?pageCount:maxPage;
if(maxPage>pageCount){
maxPage=pageCount;
z=pageCount-n+1;
}
for(i=z;i<=maxPage;i++){
html += getPageHtml(2,i);
}
}
}
html+="<a class='pageList_NextPage'>下页</a>";
html+="<a class='pageList_LastPage'>末页</a>";
html+="<input class='jumpNum' type='text' value='' />";
html+="<a class='jumpText' href='javascript:void(0)'>跳转</a>";
obj.html(html);
//return html;
}
$.fn.pageList=function(opts){
opts=$.extend({},defaults,opts);
this.each(function(){
var obj=$(this).addClass("pageList");
var pageCount=Math.ceil(opts.count/opts.size);//总页数
resetHtml(opts,obj,pageCount);
obj.on("click","a.pageList_Num",function(){
var page=parseInt($(this).html());
if(page==opts.page){
return;
}
opts.page=page;
opts.clickEvent(page,function(){
resetHtml(opts,obj,pageCount);
});
});
//首页
obj.on("click",".pageList_FirstPage",function(){
var page=parseInt($(".pageList_Current",obj).html());
if(page==1){
return;
}
opts.page=1;
opts.clickEvent(page,function(){
resetHtml(opts,obj,pageCount);
});
});
//上页
obj.on("click",".pageList_PrevPage",function(){
var page=parseInt($(".pageList_Current",obj).html())-1;
if(page<=0){
return;
}
opts.page=page;
opts.clickEvent(page,function(){
resetHtml(opts,obj,pageCount);
});
});
//下一页
obj.on("click",".pageList_NextPage",function(){
var page=parseInt($(".pageList_Current",obj).html())+1;
if(page>pageCount){
return;
}
opts.page=page;
opts.clickEvent(page,function(){
resetHtml(opts,obj,pageCount);
});
});
//末页
obj.on("click",".pageList_LastPage",function(){
var page=parseInt($(".pageList_Current",obj).html());
if(page==pageCount){
return;
}
opts.page=pageCount;
opts.clickEvent(page,function(){
resetHtml(opts,obj,pageCount);
});
});
//文本框enter
obj.on("keyup",".jumpNum",function(e){
if(e.which!=13){
return;
}
var textPage=$(this).val();
if(isNaN(textPage)){
alert("输入的页码必须是数值型");
return;
}
textPage=parseInt(textPage);
var page=parseInt($(".pageList_Current",obj).html());
if(textPage>pageCount||textPage<=0){
alert("您输入的页码超出范围");
return;
}
if(page==textPage){
return;
}
opts.page=textPage;
opts.clickEvent(page,function(){
resetHtml(opts,obj,pageCount);
$(".jumpNum",obj).focus();
});
});

//单击跳转
obj.on("click",".jumpText",function(e){
var textPage=$(".jumpNum",obj).val();
if(isNaN(textPage)){
alert("输入的页码必须是数值型");
return;
}
textPage=parseInt(textPage);
var page=parseInt($(".pageList_Current",obj).html());
if(textPage>pageCount||textPage<=0){
alert("您输入的页码超出范围");
return;
}
if(page==textPage){
return;
}
opts.page=textPage;
opts.clickEvent(page,function(){
resetHtml(opts,obj,pageCount);
$(".jumpNum",obj).focus();
});
});

});
}
})(jQuery);

<div class="a"></div>
$(function(){
$(".a").pageList({
num:12,    //页码个数
count:1020, //总数
size:10, //每页展示条数
page:52,    //当前页
clickEvent:function(page,callback){
//alert(page);
callback();
}
});
});