Jsp页面简单分页处理

        共${page.countrow }条记录
  	共${page.countpage }页
  	<a href="${pageContext.request.contextPath }/servlet/PageCustServlet?thispage=${page.firstpage }">首页</a>
  	<a href="${pageContext.request.contextPath }/servlet/PageCustServlet?thispage=${page.prepage }">上一页</a>
  	
  	<!-- 分页逻辑开始 -->
  	<c:if test="${page.countpage<=5}">
  		<c:set var="begin" value="1" scope="page"></c:set>
  		<c:set var="end" value="${page.countpage}" scope="page"></c:set>
  	</c:if>
  	<c:if test="${page.countpage>5}">
		<c:choose>
			<c:when test="${page.thispage<=3}">
				<c:set var="begin" value="1" scope="page"></c:set>
  				<c:set var="end" value="5" scope="page"></c:set>
			</c:when>
			<c:when test="${page.thispage>=page.countpage-2}">
				<c:set var="begin" value="${page.countpage-4}" scope="page"></c:set>
  				<c:set var="end" value="${page.countpage}" scope="page"></c:set>
  			</c:when>
  			<c:otherwise>
  				<c:set var="begin" value="${page.thispage-2}" scope="page"></c:set>
  				<c:set var="end" value="${page.this page+2}" scope="page"></c:set>
  			</c:otherwise>
		</c:choose>
  	</c:if>
  	
  	<c:forEach begin="${begin}" end="${end}" step="1" var="i">
  		<c:if test="${i == page.thispage}">
  			${i }
  		</c:if>
  		<c:if test="${i != page.thispage}">
  			<a href="${pageContext.request.contextPath }/servlet/PageCustServlet?thispage=${i}">${i }</a>
  		</c:if>
  	</c:forEach>
  	
  	<!-- 分页逻辑结束 -->
  	
  	<a href="${pageContext.request.contextPath }/servlet/PageCustServlet?thispage=${page.nextpage }">下一页</a>
  	<a href="${pageContext.request.contextPath }/servlet/PageCustServlet?thispage=${page.lastpage }">尾页</a>
  	跳到<input type="text" value="${page.thispage }" style="width: 40px" onchange="changePage(this)"/>页