Spring MVC的教程项目代码

package com.baobaotao.web; import java.io.File; import java.io.IOException; import java.io.OutputStream; import java.util.ArrayList; import java.util.Calendar; import java.util.GregorianCalendar; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.management.RuntimeErrorException; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import javax.validation.Valid; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.core.io.ClassPathResource; import org.springframework.core.io.FileSystemResource; import org.springframework.core.io.Resource; import org.springframework.http.HttpEntity; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.util.FileCopyUtils; import org.springframework.validation.BindingResult; import org.springframework.validation.ValidationUtils; import org.springframework.web.bind.WebDataBinder; import org.springframework.web.bind.annotation.CookieValue; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.InitBinder; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestHeader; 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.bind.annotation.ResponseStatus; import org.springframework.web.bind.support.SessionStatus; import org.springframework.web.context.request.WebRequest; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.util.WebUtils; import com.baobaotao.UserService; import com.baobaotao.domain.Dept; import com.baobaotao.domain.User; @Controller @RequestMapping("/user") // @SessionAttributes(value={"user","user1","user2"},types={Dept.class}) public class UserController { @Autowired private UserService userService; @RequestMapping(method = RequestMethod.POST) public ModelAndView createUser(User user) { userService.createUser(user); ModelAndView mav = new ModelAndView(); mav.setViewName("user/createSuccess"); mav.addObject("user", user); return mav; } @RequestMapping(value = "/register", method = RequestMethod.GET, params = "!myParam") public String register(@ModelAttribute("user") User user) { return "user/register"; } @RequestMapping(value = "/delete", method = RequestMethod.POST, params = "userId") public String test1(@RequestParam("userId") String userId) { // do sth return "user/test1"; } @RequestMapping(value = "/show", headers = "content-type=text/*") public String test2(@RequestParam("userId") String userId) { // do sth return "user/test2"; } // ①请求参数按名称匹配的方式绑定到方法入参中，方法返回对应的字符串代表逻辑视图名 @RequestMapping(value = "/handle1",method=RequestMethod.PUT) public String handle1(@RequestParam("userName") String userName, @RequestParam("password") String password, @RequestParam("realName") String realName) { return "success"; } // ②将Cooke值及报文头属性绑定到入参中、方法返回ModelAndView @RequestMapping(value = "/handle2") public ModelAndView handle2(@CookieValue("JSESSIONID") String sessionId, @RequestHeader("Accept-Language") String accpetLanguage) { ModelAndView mav = new ModelAndView(); mav.setViewName("success"); mav.addObject("user", new User()); return mav; } // ③请求参数按名称匹配的方式绑定到user的属性中、方法返回对应的字符串代表逻辑视图名 @RequestMapping(value = "/handle3") public String handle3(User user) { return "success"; } // ④直接将HTTP请求对象传递给处理方法、方法返回对应的字符串代表逻辑视图名 @RequestMapping(value = "/handle4") public String handle4(HttpServletRequest request) { return "success"; } @RequestMapping(value = "/handle11") public String handle11( @RequestParam(value = "userName", required = false) String userName, @RequestParam("age") int age) { return "success"; } @RequestMapping(value = "/handle12") public String handle12( @CookieValue(value = "sessionId", required = false) String sessionId, @RequestParam("age") int age) { return "success"; } @RequestMapping(value = "/handle13") public String handle13(@RequestHeader("Accept-Encoding") String encoding, @RequestHeader("Keep-Alive") long keepAlive) { return "success"; } @RequestMapping(value = "/handle14") public String handle14(User user) { return "success"; } @RequestMapping(value = "/handle21") public void handle21(HttpServletRequest request, HttpServletResponse response) { String userName = request.getParameter("userName"); response.addCookie(new Cookie("userName", userName)); } @RequestMapping(value = "/handle22") public ModelAndView handle22(HttpServletRequest request) { String userName = WebUtils.findParameterValue(request, "userName"); ModelAndView mav = new ModelAndView(); mav.setViewName("success"); mav.addObject("userName", userName); return mav; } @RequestMapping(value = "/handle23") public String handle23(HttpSession session) { session.setAttribute("sessionId", 1234); return "success"; } @RequestMapping(value = "/success") public String success() { return "success"; } @RequestMapping(value = "/fail") public String fail() { return "fail"; } @RequestMapping(value = "/handle24") public String handle24(HttpServletRequest request, @RequestParam("userName") String userName) { return "success"; } @RequestMapping(value = "/handle25") public String handle25(WebRequest request) { String userName = request.getParameter("userName"); return "success"; } @RequestMapping(value = "/handle31") public void handle31(OutputStream os) throws IOException { Resource res = new ClassPathResource("/image.jpg"); FileCopyUtils.copy(res.getInputStream(), os); } // @RequestMapping(value="/{userId}") // public ModelAndView showDetail(@PathVariable("userId") String userId){ // ModelAndView mav = new ModelAndView(); // mav.setViewName("user/showDetail"); // mav.addObject("user", userService.getUserById(userId)); // return mav; // } @RequestMapping(value = "/handle41") public String handle41(@RequestBody String body) { System.out.println(body); return "success"; } @ResponseBody @RequestMapping(value = "/handle42/{imageId}") public byte[] handle42(@PathVariable("imageId") String imageId) throws IOException { System.out.println("load image of " + imageId); Resource res = new ClassPathResource("/image.jpg"); byte[] fileData = FileCopyUtils.copyToByteArray(res.getInputStream()); return fileData; } @RequestMapping(value = "/handle43") public String handle43(HttpEntity<String> requestEntity) { long contentLen = requestEntity.getHeaders().getContentLength(); System.out.println("user:" + requestEntity.getBody()); return "success"; } @RequestMapping(value = "/handle44/{imageId}") public ResponseEntity<byte[]> handle44( @PathVariable("imageId") String imageId) throws Throwable { Resource res = new ClassPathResource("/image.jpg"); byte[] fileData = FileCopyUtils.copyToByte