使用JSP和Servlet实现分页功能

<%@ page language="java" contentType="text/html; charset=UTF-8"  pageEncoding="UTF-8"%>  
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>  
  
<script type="text/javascript">  
function gotoSelectedPage()   
{   
    var x = document.getElementById("navigatorForm");   
    //alert("Original action: " + x.action)   
    x.submit();   
}   
</script>  
<form action="Posts" method="get" id="navigatorForm">  
    <a href="Posts?pageNumber=1">首页</a>    
    <c:if test="${pageNumber>1}">  
        <a href="Posts?pageNumber=${pageNumber-1}">上一页</a>  
    </c:if>    
    跳转到第 <select name="pageNumber" onchange="gotoSelectedPage();">  
    <c:forEach begin="1" end="${totalPages}" step="1" var="pageIndex">  
        <c:choose>  
            <c:when test="${pageIndex eq pageNumber}">  
                <option value="${pageIndex}" selected="selected">${pageIndex}</option>  
            </c:when>  
            <c:otherwise>  
                <option value="${pageIndex}">${pageIndex}</option>  
            </c:otherwise>  
        </c:choose>  
    </c:forEach>  
    </select>页    
    <c:if test="${pageNumber<totalPages}">  
        <a href="Posts?pageNumber=${pageNumber+1}">下一页</a>