ssm-maven增删改查+分页

package com.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.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import com.model.User; import com.service.UserService; @RequestMapping("user") @Controller public class UserController { @Autowired private UserService uService; /** * 获取所有用户列表 * @param request * @return */ @RequestMapping("getAllUser") public String getAllUser(HttpServletRequest request,Model model){ System.out.println("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); List<User> user = uService.findAll(); model.addAttribute("lists", user); request.setAttribute("lists", user); return "allUser"; } @RequestMapping("/main") public String main(@RequestParam(value="currentPage",defaultValue="1",required=false)int currentPage,Model model,HttpServletRequest request){ model.addAttribute("pagemsg", uService.findByPage(currentPage));//回显分页数据 List<User> user = uService.findAll(); model.addAttribute("lists", user); request.setAttribute("lists", user); return "allUser"; } /** * 跳转到添加用户界面 * @param request * @return */ @RequestMapping("toAddUser") public String toAddUser(){ return "addUser"; } /** * 添加用户并重定向 * @param user * @param request * @return */ @RequestMapping("addUser") public String addUser(User user,Model model){ uService.save(user); return "redirect:/user/main.do"; } /** *编辑用户 * @param user * @param request * @return */ @RequestMapping("updateUser") public String updateUser(User user,HttpServletRequest request,Model model){ System.out.println("变价"); if(uService.update(user)){ user = uService.findById(user.getId()); request.setAttribute("user", user); model.addAttribute("user", user); return "redirect:/user/main.do"; }else{ return "error"; } } /** * 根据id查询单个用户 * @param id * @param request * @return */ @RequestMapping("getUser") public String getUser(int id,HttpServletRequest request,Model model){ request.setAttribute("user", uService.findById(id)); model.addAttribute("user", uService.findById(id)); return "editUser"; } /* @RequestMapping("delUsers") public String delUser(int id){ if(uService.delete(id)){ return "redirect:/user/main.do"; } return "allUser"; } */ @RequestMapping("delUsers") public void delUser(int id,HttpServletResponse response){ System.out.println("删除ssssssssssssssssssssssssssss"); boolean flag=uService.delete(id); PrintWriter out; try { out = response.getWriter(); if(flag){ out.write("success"); } else{ out.write("error"); } out.flush(); out.close(); } catch (IOException e) { e.printStackTrace(); } // response.setContentType("application/json");//以json格式返回 } /** * 删除用户 * @param id * @param request * @param response */ /* @RequestMapping("delUsers") public void delUser(int id,HttpServletRequest request,HttpServletResponse response){ System.out.println("删除"); String result = "{\"result\":\"error\"}"; if(uService.delete(id)){ result = "{\"result\":\"success\"}"; } response.setContentType("application/json"); try { PrintWriter out = response.getWriter(); out.write(result); } catch (IOException e) { e.printStackTrace(); } } */ }