56 lines
1.8 KiB
Java
56 lines
1.8 KiB
Java
package example.controller;
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import example.dao.UserDao;
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import example.model.User;
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import example.service.IUserService;
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import example.service.impl.UserServiceImpl;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.util.List;
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@WebServlet(name = "UserServlet", urlPatterns = "/user")
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public class UserServlet extends HttpServlet {
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IUserService userService=new UserServiceImpl();
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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String action = req.getParameter("action");
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switch (action) {
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case "list":
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try {
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getUserList(req, resp);
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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break;
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case "update":
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req.getRequestDispatcher("/WEB-INF/jsp/register.jsp").forward(req, resp);
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break;
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case "delete":
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resp.sendRedirect("/");
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break;
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default:
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req.getRequestDispatcher("/WEB-INF/jsp/login.jsp").forward(req, resp);
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break;
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}
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super.doGet(req, resp);
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}
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private void getUserList(HttpServletRequest req, HttpServletResponse resp) throws Exception {
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List<User> userList = userService.getUserList();
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req.setAttribute("userList", userList);
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req.getRequestDispatcher("userList.jsp").forward(req, resp);
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}
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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super.doPost(req, resp);
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}
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}
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