maven-springMVC-springJDBC-Demo

package com.controller; import java.io.File; import java.io.IOException; import java.util.HashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import org.apache.commons.io.FileUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.validation.BindingResult; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.ModelAttribute; 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.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.multipart.MultipartFile; import com.exception.UserException; import com.model.User; import com.service.UserService; @Controller @RequestMapping(value="/user") public class UserController { private Map<String, User> users = new HashMap<String, User>(); @Autowired private UserService userService; public UserController() { /*ApplicationContext context = new ClassPathXmlApplicationContext(new String[] {"applicationContext.xml"}); userService = (UserService) context.getBean("userService");*/ /*users.put("zpeng", new User(1,"zpeng","1234")); users.put("tPy", new User(2,"tPy","1234")); users.put("fanghui", new User(3,"fanghui","1234")); users.put("yuanmingfeng", new User(4,"yuanmingfeng","1234"));*/ } @RequestMapping(value="users", method=RequestMethod.GET) public String list(Model model){ for (User user : userService.getAllUsers()) { users.put(user.getUsername(), user); } model.addAttribute("users", users); return "user/list"; } @RequestMapping(value="add", method=RequestMethod.GET) public String add(@ModelAttribute("user") User user){ return "user/add"; } @RequestMapping(value="add", method=RequestMethod.POST) public String add(@Validated User user, BindingResult br, @RequestParam(value="attach") MultipartFile[] attachs, HttpServletRequest req) throws IOException{ if (br.hasErrors()) { return "user/add"; } String realPath = req.getSession().getServletContext().getRealPath("/resources/upload"); for (int i = 0; i < attachs.length; i++) { MultipartFile attach = attachs[i]; if (attach.isEmpty()) { continue; } File attachFile = new File(realPath + "/" + attach.getOriginalFilename()); FileUtils.copyInputStreamToFile(attach.getInputStream(), attachFile); System.out.println(realPath + "/" + attach.getOriginalFilename()); System.out.println(attach.getName()); System.out.println(attach.getOriginalFilename()); System.out.println(attach.getContentType()); } users.put(user.getUsername(), user); return "redirect:/user/users"; } @RequestMapping(value="/{username}/show", method=RequestMethod.GET) public String show(@PathVariable String username, Model model){ model.addAttribute(users.get(username)); return "user/show"; } @RequestMapping(value="/{username}/show", method=RequestMethod.GET, params="json") @ResponseBody public User show(@PathVariable String username){ return users.get(username); } @RequestMapping(value="/{username}/update", method=RequestMethod.GET) public String update(@PathVariable String username, Model model){ model.addAttribute(users.get(username)); return "user/update"; } @RequestMapping(value="/{username}/update", method=RequestMethod.POST) public String update(@PathVariable String username, @Validated User user, BindingResult br){ if(br.hasErrors()){ return "forward:user/update"; } users.remove(username); users.put(user.getUsername(), user); return "redirect:/user/users"; } @RequestMapping(value="/{username}/delete", method=RequestMethod.GET) public String delete(@PathVariable String username){ users.remove(username); return "redirect:/user/users"; } @RequestMapping(value="/login", method=RequestMethod.POST) public String login(String username, String password, HttpSession session){ if (!users.containsKey(username)) { throw new UserException("用户名不存在"); } User user = users.get(username); if (!user.getPassword().equals(password)) { throw new UserException("密码不正确"); } session.setAttribute("loginUser", user); return "redirect:/user/users"; } @ExceptionHandler(value={UserException.class}) public String handleLocalException(UserException e, HttpServletRequest req){ req.setAttribute("error", e); return "user/error"; } // @RequestMapping(value="{id}/update", method=RequestMethod.GET) // public String update(@PathVariable({id}) ){} /* @Autowired private UserService userService; @RequestMapping({"/user/welcomeView","/user/welcome"}) public String loginView(String username,Model model){ System.out.println(username); model.addAttribute("username", username); //model.addAttribute(new User()); return "welcome"; } @RequestMapping({"/user/registerView"}) public String registerView(){ return "register"; } @RequestMapping("/welcome") public ModelAndView welcome(){ ModelAndView mav = new ModelAndView(); mav.addObject("welcome", "welcome you!"); mav.setViewName("welcome"); return mav; } @RequestMapping("/user/login") public ModelAndView login(User user){ ModelAndView mav = new ModelAndView(); User u = userService.loginCheck(user); if(null == u){ mav.setViewName("login"); mav.addObject("errorMsg","用户名或密码有误！"); return mav; } else{ mav.setViewName("success"); mav.addObject("user", u); return mav; } } @RequestMapping("/user/register") public ModelAndView register(User user){ ModelAndView mav = new ModelAndView(); if(userService.register(user)){ mav.setViewName("register_succ"); return mav; } else{ mav.setViewName("register"); mav.addObject("errorMsg","用户名已被占用，请更换！！"); return mav; } }*/ }