基于JS分页控件实现简单美观仿淘宝分页按钮效果

var kkpager = { 
//divID 
pagerid : 'div_pager', 
//当前页码 
pno : 1, 
//总页码 
total : 1, 
//总数据条数 
totalRecords : 0, 
//是否显示总页数 
isShowTotalPage : true, 
//是否显示总记录数 
isShowTotalRecords : true, 
//是否显示页码跳转输入框 
isGoPage : true, 
//链接前部 
hrefFormer : '', 
//链接尾部 
hrefLatter : '', 
/****链接算法****/ 
getLink : function(n){ 
//这里的算法适用于比如： 
//hrefFormer=http://www.xx.com/news/20131212 
//hrefLatter=.html 
//那么首页（第1页）就是http://www.xx.com/news/20131212.html 
//第2页就是http://www.xx.com/news/20131212_2.html 
//第n页就是http://www.xx.com/news/20131212_n.html 
if(n == 1){ 
return this.hrefFormer + this.hrefLatter; 
}else{ 
return this.hrefFormer + '_' + n + this.hrefLatter; 
} 
}, 
//跳转框得到输入焦点时 
focus_gopage : function (){ 
var btnGo = $('#btn_go'); 
$('#btn_go_input').attr('hideFocus',true); 
btnGo.show(); 
btnGo.css('left','0px'); 
$('#go_page_wrap').css('border-color','#6694E3'); 
btnGo.animate({left: '+=44'}, 50,function(){ 
//$('#go_page_wrap').css('width','88px'); 
}); 
}, 
//跳转框失去输入焦点时 
blur_gopage : function(){ 
setTimeout(function(){ 
var btnGo = $('#btn_go'); 
//$('#go_page_wrap').css('width','44px'); 
btnGo.animate({ 
left: '-=44' 
}, 100, function() { 
$('#btn_go').css('left','0px'); 
$('#btn_go').hide(); 
$('#go_page_wrap').css('border-color','#DFDFDF'); 
}); 
},400); 
}, 
//跳转框页面跳转 
gopage : function(){ 
var str_page = $("#btn_go_input").val(); 
if(isNaN(str_page)){ 
$("#btn_go_input").val(this.next); 
return; 
} 
var n = parseInt(str_page); 
if(n < 1 || n >this.total){ 
$("#btn_go_input").val(this.next); 
return; 
} 
//这里可以按需改window.open 
window.location = this.getLink(n); 
}, 
//分页按钮控件初始化 
init : function(config){ 
//赋值 
this.pno = isNaN(config.pno) ? 1 : parseInt(config.pno); 
this.total = isNaN(config.total) ? 1 : parseInt(config.total); 
this.totalRecords = isNaN(config.totalRecords) ? 0 : parseInt(config.totalRecords); 
if(config.pagerid){this.pagerid = config.pagerid;} 
if(config.isShowTotalPage != undefined){this.isShowTotalPage=config.isShowTotalPage;} 
if(config.isShowTotalRecords != undefined){this.isShowTotalRecords=config.isShowTotalRecords;} 
if(config.isGoPage != undefined){this.isGoPage=config.isGoPage;} 
this.hrefFormer = config.hrefFormer || ''; 
this.hrefLatter = config.hrefLatter || ''; 
if(config.getLink && typeof(config.getLink) == 'function'){this.getLink = config.getLink;} 
//验证 
if(this.pno < 1) this.pno = 1; 
this.total = (this.total <= 1) ? 1: this.total; 
if(this.pno > this.total) this.pno = this.total; 
this.prv = (this.pno<=2) ? 1 : (this.pno-1); 
this.next = (this.pno >= this.total-1) ? this.total : (this.pno + 1); 
this.hasPrv = (this.pno > 1); 
this.hasNext = (this.pno < this.total); 
this.inited = true; 
}, 
//生成分页控件Html 
generPageHtml : function(){ 
if(!this.inited){ 
return; 
} 
var str_prv='',str_next=''; 
if(this.hasPrv){ 
str_prv = '<a href="'+this.getLink(this.prv)+'" title="上一页">上一页</a>'; 
}else{ 
str_prv = '<span class="disabled">上一页</span>'; 
} 
if(this.hasNext){ 
str_next = '<a href="'+this.getLink(this.next)+'" title="下一页">下一页</a>'; 
}else{ 
str_next = '<span class="disabled">下一页</span>'; 
} 
var str = ''; 
var dot = '<span>...</span>'; 
var total_info=''; 
if(this.isShowTotalPage || this.isShowTotalRecords){ 
total_info = '<span class="normalsize">共'; 
if(this.isShowTotalPage){ 
total_info += this.total+'页'; 
if(this.isShowTotalRecords){ 
total_info += '&nbsp;/&nbsp;'; 
} 
} 
if(this.isShowTotalRecords){ 
total_info += this.totalRecords+'条数据'; 
} 
total_info += '</span>'; 
} 
var gopage_info = ''; 
if(this.isGoPage){ 
gopage_info = '&nbsp;转到<span id="go_page_wrap" style="display:inline-block;width:44px;height:18px;border:1px solid #DFDFDF;margin:0px 1px;padding:0px;position:relative;left:0px;top:5px;">'+ 
'<input type="button" id="btn_go" onclick="kkpager.gopage();" style="width:44px;height:20px;line-height:20px;padding:0px;font-family:arial,宋体,sans-serif;text-align:center;border:0px;background-color:#0063DC;color:#FFF;position:absolute;left:0px;top:-1px;display:none;" value="确定" />'+ 
'<input type="text" id="btn_go_input" onfocus="kkpager.focus_gopage()" onkeypress="if(event.keyCode<48 || event.keyCode>57)return false;" onblur="kkpager.blur_gopage()" style="width:42px;height:16px;text-align:center;border:0px;position:absolute;left:0px;top:0px;outline:none;" value="'+this.next+'" /></span>页'; 
} 
//分页处理 
if(this.total <= 8){ 
for(var i=1;i<=this.total;i++){ 
if(this.pno == i){ 
str += '<span class="curr">'+i+'</span>'; 
}else{ 
str += '<a href="'+this.getLink(i)+'" title="第'+i+'页">'+i+'</a>'; 
} 
} 
}else{ 
if(this.pno <= 5){ 
for(var i=1;i<=7;i++){ 
if(this.pno == i){ 
str += '<span class="curr">'+i+'</span>'; 
}else{ 
str += '<a href="'+this.getLink(i)+'" title="第'+i+'页">'+i+'</a>'; 
} 
} 
str += dot; 
}else{ 
str += '<a href="'+this.getLink(1)+'" title="第1页">1</a>'; 
str += '<a href="'+this.getLink(2)+'" title="第2页">2</a>'; 
str += dot; 
var begin = this.pno - 2; 
var end = this.pno + 2; 
if(end > this.total){ 
end = this.total; 
begin = end - 4; 
if(this.pno - begin < 2){ 
begin = begin-1; 
} 
}else if(end + 1 == this.total){ 
end = this.total; 
} 
for(var i=begin;i<=end;i++){ 
if(this.pno == i){ 
str += '<span class="curr">'+i+'</span>'; 
}else{ 
str += '<a href="'+this.getLink(i)+'" title="第'+i+'页">'+i+'</a>'; 
} 
} 
if(end != this.total){ 
str += dot; 
} 
} 
} 
str = "&nbsp;"+str_prv + str + str_next + total_info + gopage_info; 
$("#"+this.pagerid).html(str); 
} 
}; 

<div id="div_pager"></div> 
<script type="text/javascript"> 
//生成分页控件 
kkpager.init({ 
pno : '${p.pageNo}', 
//总页码 
total : '${p.totalPage}', 
//总数据条数 
totalRecords : '${p.totalCount}', 
//链接前部 
hrefFormer : '${hrefFormer}', 
//链接尾部 
hrefLatter : '${hrefLatter}' 
}); 
kkpager.generPageHtml(); 
</script> 

/****默认链接算法****/ 
getLink : function(n){ 
//这里的算法适用于比如： 
//hrefFormer=http://www.xx.com/news/20131212 
//hrefLatter=.html 
//那么首页（第1页）就是http://www.xx.com/news/20131212.html 
//第2页就是http://www.xx.com/news/20131212_2.html 
//第n页就是http://www.xx.com/news/20131212_n.html 
if(n == 1){ 
return this.hrefFormer + this.hrefLatter; 
}else{ 
return this.hrefFormer + '_' + n + this.hrefLatter; 
} 
} 

#div_pager{ 
clear:both; 
height:30px; 
line-height:30px; 
margin-top:20px; 
color:#999999; 
} 
#div_pager a{ 
padding:4px 8px; 
margin:10px 3px; 
font-size:12px; 
border:1px solid #DFDFDF; 
background-color:#FFF; 
color:#9d9d9d; 
text-decoration:none; 
} 
#div_pager span{ 
padding:4px 8px; 
margin:10px 3px; 
font-size:14px; 
} 
#div_pager span.disabled{ 
padding:4px 8px; 
margin:10px 3px; 
font-size:12px; 
border:1px solid #DFDFDF; 
background-color:#FFF; 
color:#DFDFDF; 
} 
#div_pager span.curr{ 
padding:4px 8px; 
margin:10px 3px; 
font-size:12px; 
border:1px solid #FF6600; 
background-color:#FF6600; 
color:#FFF; 
} 
#div_pager a:hover{ 
background-color:#FFEEE5; 
border:1px solid #FF6600; 
} 
#div_pager span.normalsize{ 
font-size:12px; 
}