SelectAllServlet

package servlet;
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;
import javax.servlet.http.HttpSession;
import dao.RainManageDao;
import entity.RainManage;
@WebServlet(urlPatterns = {"/selectAll_servlet"})
public class SelectAllServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
RainManageDao dao = new RainManageDao();
List<RainManage> selectAll = dao.selectAll();
HttpSession session = request.getSession();
session.setAttribute("DATA", selectAll);
response.sendRedirect("index.jsp");
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}