code091.java

package pack02;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

//FindServlet�ִ࣬�з�ҳ�Ĺ���,��code093.jsp�������
@WebServlet(name="code091",urlPatterns = "/page04/pack02.code091")
public class code091 extends HttpServlet
{
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
    {
        int currPage = 1; //��ǰҳ
        if (request.getParameter("page") != null)
        {
            currPage = Integer.parseInt(request.getParameter("page"));
        }
        code090 dao  = new code090(); //BookDao 
        List<code089> list1  = dao.find(currPage); // Book
        request.setAttribute("list", list1);

        int pages;
        int count = dao.findCount();
        if (count % code089.PAGE_SIZE == 0)
        {
            pages = count / code089.PAGE_SIZE;
        }
        else 
        {
            pages = count / code089.PAGE_SIZE + 1;
        }
        StringBuffer buffer = new StringBuffer();
        for (int i = 1; i <= pages; i++)
        {
            if (i == currPage)
            {
                buffer.append("[" + i + "]");
            }
            else
            {
                buffer.append("<a href='pack02.code091?page=" + i + "'>" + i + "</a>");
            }
            buffer.append("&nbsp;&nbsp;");
        }
        request.setAttribute("bar", buffer.toString());
        request.getRequestDispatcher("code092.jsp").forward(request, response); //������ʾ
    }
}