spring mvc学习+数据分页+数据导入导出

package cn.itcast.controller; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; import cn.itcast.model.User; import cn.itcast.service.UserService; @Controller @RequestMapping("/user") public class UserController { @Autowired private UserService userService; @RequestMapping(value="/add") public String add(){ return "add"; } /* * @PathVariable:从restful风格的路径中获取参数 */ @RequestMapping(value="/modify/{userid}") public ModelAndView modify(@PathVariable("userid")Integer id){ ModelAndView modelAndView = new ModelAndView(); User user = userService.findById(id); modelAndView.addObject("user", user); modelAndView.setViewName("modify"); return modelAndView; } /* * *@ModelAttribute("userForm1"):该注解在此处好像没有体现作用，该注解的参数为前台form表单的id */ @RequestMapping(value="/save",method=RequestMethod.POST) public String save(/*@ModelAttribute("userForm1")*/User user){ int i = userService.save(user); if(i == 1){ return "redirect:/user/list"; } return "add"; } @RequestMapping(value="/update",method=RequestMethod.POST) public String update(User user){ int i = userService.update(user); if(i == 1){ return "redirect:/user/list"; } return "modify"; } @RequestMapping(value="/delete/{userid}") public String delete(@PathVariable("userid")Integer id){ userService.delete(id); return "redirect:/user/list"; } @RequestMapping(value="/list") public ModelAndView list(){ ModelAndView modelAndView = new ModelAndView(); List<User> users = userService.findAll(); modelAndView.addObject("users", users); modelAndView.setViewName("list"); return modelAndView; } //TODO 用户数据的分页、springmvc数据类型转化、springmvc数据验证、springmvc返回json数据、导入、导出 }