Pure jquery implémente un effet de pagination simple (exemple de code)

ul.pagination {
    display: inline-block;
    padding: 0;
    margin: 0;
}
 
ul.pagination li {display: inline;}
 
ul.pagination li a {
    color: black;
    float: left;
    padding: 8px 16px;
    text-decoration: none;
    border: 1px solid blue;
	border-radius:3px;
}
.active{
	background-color: #7FFFAA;
}

<h2>最简单的分页</h2>
<ul class="pagination"></ul>
<input type="hidden" id="currentPage" name="currentPage" value="1"></input>
<input type="hidden" id="totalPage" value="54"></input>

<script src="/js/jquery.min.js" type="text/javascript"></script>
<script src="/js/jquery.PageBar.js" type="text/javascript"></script>

$().ready(function(){
	
	var curPage =$("#currentPage").val();
	var last =$("#totalPage").val();
	var page =Math.ceil(curPage/10);
	//调用绘制分页样式函数
	draw(page,curPage);
	
	//绑定点击页码事件
	$(document).on("click",".pagination li a",function(){
		var str =$(this).html();
		if(!isNaN(str)){
			//移除之前的active
			$(".pagination li a").removeClass("active");
			$(this).attr("class","active");
			$("#currentPage").val(str);
		}
	});
	
	//绑定下一页点击事件
	$(document).on("click","#nextPage",function(){
		var num =$(".active").html();
		var curPage =$("#currentPage").val();
		var last =$("#totalPage").val();
		var page =Math.ceil((parseInt(num))/10);
		if(num < page*10 && num != last){
			//移除之前的active
			$(".pagination li a").removeClass("active");
			$("#"+(parseInt(num)+1)+"").attr("class","active");
			//$(".pagination li a[text="+(parseInt(num)+1)+"]").attr("class","active");//jQ1.6支持
			$("#currentPage").val(parseInt(num)+1);
		}else if(num == page*10 && num != last){
			//清空之前的数据
			$(".pagination").html("");
			draw(page+1,(parseInt(num)+1));
		}
	})
	
	//绑定上一页点击事件
	$(document).on("click","#previousPage",function(){
		var num =$(".active").html();
		var curPage =$("#currentPage").val();
		var last =$("#totalPage").val();
		var page =Math.ceil((parseInt(num))/10);
		if(num <= page*10 && num != (page-1)*10+1){
			//移除之前的active
			$(".pagination li a").removeClass("active");
			$("#"+(parseInt(num)-1)+"").attr("class","active");
			//$(".pagination li a[text="+(parseInt(num)+1)+"]").attr("class","active");//jQ1.6支持
			$("#currentPage").val(parseInt(num)-1);
		}else if(num == (page-1)*10+1 && num != 1){
			//清空之前的数据
			$(".pagination").html("");
			draw(page-1,(parseInt(num)-1));
		}
	})
	
	//绘制页面分页样式
	function draw(page,curPage){
		//页面中的当前页
		var page =page;
		//后台传过来的页数
		var curPage = curPage;
		//后台传过来的总页数
		var datas =$("#totalPage").val();
		//每页显示多少条数据
		var pageSize =10;
		//在网页中一共要分多少页
		var totalPage = Math.floor((datas-1)/pageSize+1);
		
		var liStr ="<li><a id=&#39;previousPage&#39; href=&#39;#&#39;>上一页</a></li>";
		$("#currentPage").val(curPage);
		if(page <= totalPage){
			if(datas <= 10){
				for(i=1; i<=datas; i++){
					//为当前页增加样式
					var active ="";
					if(i==curPage){
						active=" class=&#39;active&#39; ";
					}
					liStr +=" <li><a id="+i+" "+active+" href=&#39;#&#39;>"+i+"</a></li>"
				}
			}else{
				var start =pageSize*(page-1)+1;
				var end =page*pageSize;
				if(page == totalPage){
					for(i=start; i<=datas; i++){
						//为当前页增加样式
						var active ="";
						if(i==curPage){
							active=" class=&#39;active&#39; ";
						}
						liStr +=" <li><a id="+i+" "+active+" href=&#39;#&#39;>"+i+"</a></li>"
					}
				}else{
					for(i=start; i<=end; i++){
						//为当前页增加样式
						var active ="";
						if(i==curPage){
							active=" class=&#39;active&#39; ";
						}
						liStr +=" <li><a id="+i+" "+active+" href=&#39;#&#39;>"+i+"</a></li>"
					}
				}
			}
		}
		liStr +="<li><a id=&#39;nextPage&#39; href=&#39;#&#39;>下一页</a></li>";
		$(".pagination").append(liStr);
	}
})