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();
                }
            });
        });