java代码091

code091.java

1package pack02;
2
3import java.io.IOException;
4import java.util.List;
5
6import javax.servlet.ServletException;
7import javax.servlet.annotation.WebServlet;
8import javax.servlet.http.HttpServlet;
9import javax.servlet.http.HttpServletRequest;
10import javax.servlet.http.HttpServletResponse;
11
12//FindServlet�ִ࣬�з�ҳ�Ĺ���,��code093.jsp�������
13@WebServlet(name="code091",urlPatterns = "/page04/pack02.code091")
14public class code091 extends HttpServlet
15{
16	@Override
17	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
18	{
19		int currPage = 1; //��ǰҳ
20		if (request.getParameter("page") != null)
21		{
22			currPage = Integer.parseInt(request.getParameter("page"));
23		}
24		code090 dao  = new code090(); //BookDao 
25		List<code089> list1  = dao.find(currPage); // Book
26		request.setAttribute("list", list1);
27		
28		int pages;
29		int count = dao.findCount();
30		if (count % code089.PAGE_SIZE == 0)
31		{
32			pages = count / code089.PAGE_SIZE;
33		}
34		else 
35		{
36			pages = count / code089.PAGE_SIZE + 1;
37		}
38		StringBuffer buffer = new StringBuffer();
39		for (int i = 1; i <= pages; i++)
40		{
41			if (i == currPage)
42			{
43				buffer.append("[" + i + "]");
44			}
45			else
46			{
47				buffer.append("<a href='pack02.code091?page=" + i + "'>" + i + "</a>");
48			}
49			buffer.append("&nbsp;&nbsp;");
50		}
51		request.setAttribute("bar", buffer.toString());
52		request.getRequestDispatcher("code092.jsp").forward(request, response); //������ʾ
53	}
54}
55