SpringMVC+Hibernate用户增删改查实例

package com.spring.mvc.action; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import com.spring.mvc.model.Users; import com.spring.mvc.service.UsersService; @Controller public class UsersController { @Resource private UsersService userservice; @RequestMapping("adduser") public String addUser(String username,String password,Users user){ System.out.println(username); System.out.println(password); System.out.println("1"+user); userservice.addUsers(user); return "success"; } @RequestMapping("valUsername") public @ResponseBody Map<String,Object> findUsersByName(HttpServletRequest request){ Map<String,Object> map = new HashMap<String,Object>(); String username = (String) request.getParameter("username"); //System.out.println(username+"111"); String msg = userservice.findUsersByName(username); map.put("msg", msg); return map; } @RequestMapping("/listUsers") public String listAll(Map<String,Object> model){ //Map<String,Object> model 这种形式的返回model中的属性可以任意。 List<Users> userList =userservice.list(); model.put("userList", userList); return "UsersList"; } @RequestMapping("/userUpdate") public String update(Integer id, Model model){ //System.out.println(id); Users Users = userservice.findUsersById(id); model.addAttribute(Users); //model里面的属性需要和类名一样 但是需要小写 return "UserUpdate"; } @RequestMapping("/updateInfo") public String updateInfo(HttpServletRequest request,Users user){ System.out.println(user.getUsername()); userservice.UpdateInfo(user); return "UserUpdate"; } @RequestMapping("/deleteById") public String delUser(Integer id){ userservice.delUserById(id); return "redirect:/listUsers"; } }