Upgrade the jquery paging written before_jquery

.pagination-lg > li:first-child > a,
.pagination-lg > li:first-child > span {
border-bottom-left-radius: 6px;
border-top-left-radius: 6px;
}

.pagination-lg > li:last-child > a,
.pagination-lg > li:last-child > span {
border-top-right-radius: 6px;
border-bottom-right-radius: 6px;
}

.pagination-sm > li > a,
.pagination-sm > li > span {
padding: 5px 10px;
font-size: 12px;
}

.pagination-sm > li:first-child > a,
.pagination-sm > li:first-child > span {
border-bottom-left-radius: 3px;
border-top-left-radius: 3px;
}

.pagination-sm > li:last-child > a,
.pagination-sm > li:last-child > span {
border-top-right-radius: 3px;
border-bottom-right-radius: 3px;
}

.sr-only {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
border: 0;
}

(function ($) {
var PageFunc = function PageFunc() { }
$.PageFunc = function (Total, PageSize, curPageNum, FunUrl,paramStr) {
if (PageSize == "" || PageSize == null || PageSize == undefined) {
PageSize = 10;
}
if (curPageNum == "" || curPageNum == null || curPageNum == undefined) {
curPageNum = 1;
}
var hasParam=true;
if (paramStr == "" || paramStr == null || paramStr == undefined) {
hasParam = false;
}
//计算总页数
Total = parseInt(Total); //总记录数
PageSize = parseInt(PageSize); //每页显示数
curPageNum = parseInt(curPageNum); //当前页
//总页数
var AllPage = Math.floor(Total / PageSize);
if (Total % PageSize != 0) {
AllPage++;
}

var navHtml = "<ul style='margin:0 0 0 0;' class='pagination'>";

if (curPageNum <= 0)
curPageNum = 1;
if (AllPage > 1) {
if (curPageNum != 1) {
//处理首页连接 
var home=1;
if(hasParam)
{
home=home+","+paramStr;
}
navHtml += "<li><a href='javascript:" + FunUrl + "("+home+")' >|<</a></li>";
}
if (curPageNum > 1) {
var previous=parseInt(parseInt(curPageNum) - 1);
if(hasParam)
{
previous=previous+","+paramStr;
}
//处理上一页的连接 
navHtml += "<li><a href='javascript:"+FunUrl+"("+previous+")' ><<</a></li>";
}
else {
navHtml += "<li class='disabled'><a><<</a></li>";
}

var currint = 5;
for (var i = 0; i <= 10; i++) {
//一共最多显示10个页码，前面5个，后面5个 
if ((curPageNum + i - currint) >= 1 && (curPageNum + i - currint) <= AllPage)
if (currint == i) {
//当前页处理 
navHtml += "<li class='active'><a>" + curPageNum + "<span class='sr-only'>(current)</span></a></li>";
}
else {
//一般页处理 
var n = parseInt(parseInt(curPageNum) + parseInt(i) - parseInt(currint));
var nstr=n;
if(hasParam)
{
nstr=nstr+","+paramStr;
}
navHtml += "<li><a href='javascript:" + FunUrl + "("+nstr+")'>" + n + "</a></li>";
}
}
if (curPageNum < AllPage) {
//处理下一页的链接 
var next=parseInt(parseInt(curPageNum) + 1);
if(hasParam)
{
next=next+","+paramStr;
}
navHtml += "<li><a href='javascript:" + FunUrl + "("+next+")'>>></a></li>";
}
else {
navHtml += "<li class='disabled'><a>>></a></li>";
}

if (curPageNum != AllPage) {
var last=parseInt(AllPage);
if(hasParam)
{
last=last+","+paramStr;
}
navHtml += "<li><a href='javascript:" + FunUrl + "("+last+")' >>|</a></li>";
}

}
if(parseInt(AllPage)!=0)
{
navHtml += "<li><a>" + curPageNum + "/" + AllPage + "</a></li>  ";
}
navHtml+="</ul>";
return navHtml;
};

})(jQuery);

function aa(curpage,param1,param2){
if (curpage == "" || curpage == null || curpage == undefined) {
curpage = 1;
}
var pagesize = 5;
var paramStr="";
paramStr=param1+","+param2+";
$.post("/appdefult/apporder",{"categoryId":param1,"name":param2,"curpage":curpage,"pagesize":pagesize},function(mydata){ 
var pageHtml= $.PageFunc(mydata.total, pagesize, curpage, "aa",paramStr);
$(".page").html(pageHtml);
},"json");
}