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基于Jquery的分页对象

JavaScript 水墨上仙 1832次浏览

使用方法和相关参数如下:
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}

<!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>


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