基于SSM(Spring+SpringMVC+Mybatis)框架结构的java web应用开发案例

package com.test.controller; import java.io.IOException; import java.io.PrintWriter; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import com.test.service.UserService; import com.test.model.User; @Controller @RequestMapping("/user") public class UserController { @Autowired private UserService userService; /** * 获取所有用户列表 * @param request * @return */ @RequestMapping("/getAllUser.do") public String getAllUser(HttpServletRequest request){ List<User> findAll = userService.findAll(); request.setAttribute("userList", findAll); return "allUser"; } /** * 跳转到添加用户界面 * @param request * @return */ @RequestMapping("/toAddUser.do") public String toAddUser(HttpServletRequest request){ return "addUser"; } /** * 添加用户并重定向 * @param user * @param request * @return */ @RequestMapping("/addUser.do") public String addUser(User user,HttpServletRequest request){ userService.save(user); return "redirect:/user/getAllUser.do"; } /** * 获取所有用户列表 * @param request * @return */ @RequestMapping("/save.do") public String save(HttpServletRequest request){ System.out.println("save"); User user = new User(); user.setUserName("yanwenju"); user.setAge("100"); userService.save(user); //request.setAttribute("userList", findAll); return "index"; } /** * 删除用户 * @param id * @param request * @param response */ @RequestMapping("/deleteUser.do") public void delUser(int id,HttpServletRequest request,HttpServletResponse response){ String result = "{\"result\":\"error\"}"; if(userService.delete(id)){ result = "{\"result\":\"success\"}"; } response.setContentType("application/json"); try { PrintWriter out = response.getWriter(); out.write(result); } catch (IOException e) { e.printStackTrace(); } } /** * 根据id查询单个用户 * @param id * @param request * @return */ @RequestMapping("/getUser.do") public String getUser(int id,HttpServletRequest request){ request.setAttribute("user", userService.findById(id)); return "editUser"; } /** *编辑用户 * @param user * @param request * @return */ @RequestMapping("/updateUser.do") public String updateUser(User user,HttpServletRequest request){ if(userService.update(user)){ user = userService.findById(user.getId()); request.setAttribute("user", user); return "redirect:/user/getAllUser.do"; }else{ return "error"; } } }