分页

function page(n,s) {
    $("#pageNo2").val(n);
    $("#pageSize").val(s);
    $("#searchForm").submit();
    return false;
}
function jump_to(obj){
    var $autopbn = $("#autopbn");
    var totalpage = parseInt($autopbn.attr("totalpage"));
    var num =parseInt(obj);
    if(num<1)num=1;
    if(num>totalpage)num=totalpage;
    $("#pageIndex").val(num);
    page(num);
}
(function (){
    var $borspan = $(".borspan");
    var $autopbn = $("#autopbn");
    var recordnum = parseInt($autopbn.attr("recordnum"));
    var curpage = parseInt($autopbn.attr("curpage"));
    var totalpage = parseInt($autopbn.attr("totalpage"));
    //导航标签的个数，只考虑奇数
    var pagenavnum = 5;
    //borspan分页导航栏
    getPagenav();

    function getPageNumberStr(i,pageIndex) {
        var $obj = null;
        if (i == pageIndex){
            $obj = $("<strong>"+pageIndex+"</strong>");
        }else{
            $obj = $("<a href='javascript:jump_to("+i+");'>"+i+"</a>");
        }
        return $obj;
    }
    function getPagenav() {
        //上一页，下一页，跳转节点
        var $pageinfo = $("<cite>共"+recordnum+"条/"+totalpage+"页&nbsp;</cite>");
        var $prev = $("<a href='javascript:jump_to("+(curpage-1)+");'>&nbsp;上一页»&nbsp;</a>");
        var $next = $("<a href='javascript:jump_to("+(curpage+1)+");'>&nbsp;下一页»&nbsp;</a>");
        var $custompage = $("<input type=\"text\" class=\"page_in\" id=\"destoon_pageno\" value='' onkeydown='if(event.keyCode==13){jump_to(this.value);}' type='text'>" +
            "" +
            "<input type=\"button\" class=\"page_btn\" value=\"GO\" onclick=\"jump_to($('#destoon_pageno').val());\">");
        //上一页标签
        if(curpage>1){
            $borspan.append($prev);
        }
        //排除1..34567情况；例如pagenavnum:5,totalpage:6
        if(totalpage <= pagenavnum+1){
            for (var j = 1; j <= totalpage; j++){
                $borspan.append(getPageNumberStr( j, curpage));
            }
        }else{
            //只考虑pagenavnum为奇数的情况，比如为5
            var autopagenum = (pagenavnum+1)/2;
            //左右两边页码，理论值
            var minpage = curpage - (autopagenum - 1);//-1
            var maxpage = curpage + (autopagenum - 1);//3
            //如果当前项导航块左边>2,并且右边< autopagenum-1
            if(minpage > 2 && maxpage < (totalpage-1)){
                $borspan.append("<a href='javascript:jump_to(1);'>1..</a>");
                for (var j = minpage; j <= maxpage; j++){
                    $borspan.append(getPageNumberStr( j, curpage));
                }
                $borspan.append("<a href='javascript:jump_to("+totalpage+");'>.."+totalpage+"</a>");
            }else if(minpage < 3){//如果当前项导航块左边<=2,全部为eg:12345 ..n
                for (var j = 1; j <= pagenavnum; j++){
                    $borspan.append(getPageNumberStr( j, curpage));
                }
                $borspan.append("<a href='javascript:jump_to("+totalpage+");'>.. "+totalpage+"</a>");
            }else if(maxpage >= (totalpage-1)){//如果当前项导航块右边>
                $borspan.append("<a href='javascript:jump_to(1);'>1 ..</a>");
                for (var j =(totalpage-pagenavnum+1); j <= totalpage; j++){
                    $borspan.append(getPageNumberStr( j, curpage));
                }
            }
        }
        //下一页标签
        if(curpage<totalpage){
            $borspan.append($next);
        }

        //头部分页信息详情
        $borspan.append($pageinfo);
        //尾部跳转
        $borspan.append($custompage);

    }
})()

<div class="borspan" >
    <a id="autopbn" href="javascript:;"style="display:none" recordnum="${page.count}" curpage="${page.pageNo}"  totalpage="${page.last}"></a>
</div>