<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Page对象</title>
<style>
.pageBox,.pageBox1{ text-align:center; height:25px; padding:15px 0;}
.pageBox .pages a.up,.pageBox .pages a.down{ color:#6eb4ea; text-decoration:none; border:1px solid #ffffff; background:none;}
.pageBox .pages a.else{ background:none; border:none;}
.pageBox .pages a{ padding:3px 7px; border:1px solid #f3f6f6; background:#fdfdfd; margin:0 5px; color:#999999;}
.pageBox .pages a:hover,.pageBox .pages a.hover{ background:#6eb4ea; border:1px solid #6eb4ea; color:#ffffff; text-decoration:none;padding:2px 7px; }
pageBox .pages span{ padding:3px 7px; color:#999999;}
.fiv_sep{ height:3px; float:left; width:100%; font-size:4px; line-height:2px;}
</style>
<script type="text/javascript" src="../jquery/jquery.js"></script><!--jquery支持1.4以上版本-->
</head>
<body>
<h1>Page</h1>
<div class="pageBox" id="pageBox"></div>
<script type="text/javascript">
/**
* 分页对象
* Email:zhengyun_an@163.com
* msn:zhengyun_an@hotmail.com
* QQ:214994708
*/
var Page = {
/**
displayId//默认值显示区域Id为pageBox，可以不填
pagesize//每页条数，默认是15条，可以不填
totalsize//总条数
curpage//当前页数
simple//默认是false，true没有上一页和下一页，
type//0默认走http跳转，1是jsp页面必须有pageCallBack(pageNum)函数,从1开始
url//链接地址，如果type出入1此处就可以不填
例子：Page._run({totalsize:300,curpage:11,type:1,simple:true}
*/
_run:function(param){
var totalpages = 1,//总页数
displayId="#pageBox",//显示区域Id
pagesize=15,//每页条数
totalsize=0,//总条数
curpage=1,//当前页数
url="",//链接地址
type=0,//0默认走http跳转，1传入回调函数
simple=false;//简单版本，没有上一页和下一页
if(param.type!=undefined)type=param.type;
if(param.displayId!=undefined)displayId=param.displayId;
if(param.pagesize!=undefined)pagesize=param.pagesize;
if(param.totalsize!=undefined)totalsize=param.totalsize;
if(param.curpage!=undefined)curpage=param.curpage;
if(param.url!=undefined)url=param.url;
if(param.simple!=undefined)simple=param.simple;
if(url.indexOf("?")==-1){
url += "?1=1";
}
if(totalsize>0){
totalpages = Page._getTotalPages(totalsize,pagesize);
if(curpage>totalpages){curpage=totalpages;}//传入页数大于总页数，就按最后一页算
if(totalpages>1){
var firstPage= simple?"":Page._builderPageArea(type,"up",url,curpage-1,"上一页",false,displayId),
lastPage = simple?"":Page._builderPageArea(type,"down",url,parseInt(curpage)+1,"下一页",false,displayId),pages = new Array();
if(curpage<=4){//第一页 无上一页
if(curpage!=1){pages.push(firstPage);}
if(totalpages>5){//总页数超过5
for(var i=1;i<=5;i++){
if(curpage==i){
pages.push(Page._builderPageArea(type,"",url,i,i,true,displayId));
}else{
pages.push(Page._builderPageArea(type,"",url,i,i,false,displayId));
}
}
pages.push('<span>...</span>');
pages.push(Page._builderPageArea(type,"",url,totalpages,totalpages,false,displayId));
}else{//总页数<=5的，列1,2，3,4，5
for(var i=1;i<=totalpages;i++){
if(curpage==i){
pages.push(Page._builderPageArea(type,"",url,i,i,true,displayId));
}else{
pages.push(Page._builderPageArea(type,"",url,i,i,false,displayId));
}
}
}
if(curpage!=totalpages)pages.push(lastPage);
}else if(totalpages-curpage<=4){//最后一页 无下一页
if(curpage!=1){pages.push(firstPage);}
if(totalpages>5){//总页数超过5
pages.push(Page._builderPageArea(type,"",url,1,1,false,displayId));
pages.push('<span>...</span>');
for(var i=totalpages-4;i<=totalpages;i++){
if(curpage==i){
pages.push(Page._builderPageArea(type,"",url,i,i,true,displayId));
}else{
pages.push(Page._builderPageArea(type,"",url,i,i,false,displayId));
}
}
if(totalpages!=curpage) {pages.push(lastPage);}
}else{//总页数<=5的，列1,2，3,4，5
for(var i=1;i<=totalpages;i++){
if(curpage==i){
pages.push(Page._builderPageArea(type,"",url,i,i,true,displayId));
}else{
pages.push(Page._builderPageArea(type,"",url,i,i,false,displayId));
}
}
if(curpage!=totalpages)pages.push(lastPage);
}
}else{//有上一页和最后一页 且总页数肯定大于5
pages.push(firstPage);
pages.push(Page._builderPageArea(type,"",url,1,1,false,displayId));
pages.push('<span>...</span>');
for(var i=curpage-2;i<=curpage+2;i++){
if(curpage==i){
pages.push(Page._builderPageArea(type,"",url,i,i,true,displayId));
}else{
pages.push(Page._builderPageArea(type,"",url,i,i,false,displayId));
}
}
pages.push('<span>...</span>');
pages.push(Page._builderPageArea(type,"",url,totalpages,totalpages,false,displayId));
pages.push(lastPage);
}
var result = new Array();
result.push('<div class="pages">');
result.push(pages.join(''));
result.push('</div>');
$(displayId).html(result.join(''));
}
}else{
}
},
/**计算总页数*/
_getTotalPages:function(_totalsize,_pagesize){
if(_totalsize%_pagesize==0)
return _totalsize/_pagesize;
else
return parseInt(_totalsize/_pagesize)+1;
},
/**构造分页的每个页数区域*/
_builderPageArea:function(type,textType,url,page,text,_focus,_displayId){
var hrefStr,href= new Array();
if(type==0){
href.push(url);
href.push('&pagenum=');
href.push(page);
}else if(type==1){
href.push('javascript:void(0);pageCallBack(\'');
href.push(page);
href.push('\',\'');
href.push(_displayId);
href.push('\')');
}
hrefStr = href.join(''),result=new Array();
if(textType=='up'){
result.push('<a href="');
result.push(hrefStr);
result.push('" class="up">上一页</a>');
}else if(textType=='down'){
result.push('<a href="');
result.push(hrefStr);
result.push('" class="down">下一页</a>');
}else{
result.push('<a href="');
result.push(hrefStr);
if(_focus){
result.push('" style="background:#6EB4EA;color:#FFF;">');
}else{
result.push('">');
}
result.push(page);
result.push('</a>');
}
return result.join('');
}
};
Page._run({totalsize:100,curpage:1,pagesize:10});
</script>
</body>
</html>
//javascript/5786