jsp分页的基本实现

<%@page import="paging.Paging"%>
<%@page import="java.util.List"%>
<%
	Paging paging = new Paging();

	int currentPage = paging.currentPage(request.getParameter("page"));
	List<Integer> list = paging.getList(currentPage, 5);
	for (Integer integer : list) {
%>
<%=integer%>
<%
	}
%>

<input type="button" class="button" value="Pre"
	onclick="location='paging.jsp?page=<%=currentPage - 1%>'" />
Page:
<%=currentPage%>
<input type="button" class="button" value="Next"
	onclick="location='paging.jsp?page=<%=currentPage + 1%>'" />

package paging;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

public class Paging {
	public List<Integer> getList(int page, int rowsPerPage) {
		int start = (page - 1) * rowsPerPage + 1;
		int end = start + rowsPerPage;
		List<Integer> list = new LinkedList<Integer>();
		int[] is = new int[100];
		for (int i = 0; i < is.length; i++) {

			list.add(i);
		}
		List<Integer> list2 = new ArrayList<Integer>();
		for (int i = start; i < end; i++) {
			list2.add(i);

		}

		return list2;

	}

	public int currentPage(String pageStr) {
		int currentPage = 1;

		if (pageStr != null) {
			currentPage = Integer.parseInt(pageStr);
		}
		return currentPage;
	}

}