spring_mvc_request

package cn.oesoft.springweb.controller; import cn.oesoft.springweb.domain.User; import cn.oesoft.springweb.domain.VO; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.File; import java.io.IOException; import java.util.Arrays; import java.util.Date; import java.util.List; @Controller @RequestMapping("/user") public class UserController { @RequestMapping(value="/quick24") @ResponseBody public void save24(String username, MultipartFile uploadFile1,MultipartFile uploadFile2) throws IOException { System.out.println(username); //获得上传文件的名称 String originalFilename1 = uploadFile1.getOriginalFilename(); uploadFile1.transferTo(new File("C:\\upload\\"+originalFilename1)); String originalFilename2 = uploadFile2.getOriginalFilename(); uploadFile2.transferTo(new File("C:\\upload\\"+originalFilename2)); } @RequestMapping(value="/quick23") @ResponseBody public void save23(String username, MultipartFile[] uploadFile) throws IOException { System.out.println(username); for (MultipartFile multipartFile : uploadFile) { String originalFilename = multipartFile.getOriginalFilename(); multipartFile.transferTo(new File("C:\\upload\\"+originalFilename)); } } @RequestMapping(value="/quick22") @ResponseBody public void save22(String username, MultipartFile uploadFile) throws IOException { System.out.println(username); //获得上传文件的名称 String originalFilename = uploadFile.getOriginalFilename(); uploadFile.transferTo(new File("C:\\upload\\"+originalFilename)); } @RequestMapping(value="/quick21") @ResponseBody public void save21(@CookieValue(value = "JSESSIONID") String jsessionId) throws IOException { System.out.println(jsessionId); } @RequestMapping(value="/quick20") @ResponseBody public void save20(@RequestHeader(value = "User-Agent",required = false) String user_agent) throws IOException { System.out.println(user_agent); } @RequestMapping(value="/quick19") @ResponseBody public void save19(HttpServletRequest request, HttpServletResponse response, HttpSession session) throws IOException { System.out.println(request); System.out.println(response); System.out.println(session); } @RequestMapping(value="/quick18") @ResponseBody public void save18(Date date) throws IOException { System.out.println(date); } // localhost:8080/user/quick17/zhangsan @RequestMapping(value="/quick17/{name}") @ResponseBody public void save17(@PathVariable(value="name") String username) throws IOException { System.out.println(username); } @RequestMapping(value="/quick16") @ResponseBody public void save16(@RequestParam(value="name",required = false,defaultValue = "itcast") String username) throws IOException { System.out.println(username); } /*@RequestMapping(value="/quick16") @ResponseBody public void save16(@RequestParam("name") String username) throws IOException { System.out.println(username); }*/ @RequestMapping(value="/quick15") @ResponseBody public void save15(@RequestBody List<User> userList222) throws IOException { System.out.println(userList222); } @RequestMapping(value="/quick14") @ResponseBody public void save14(VO vo) throws IOException { System.out.println(vo); } @RequestMapping(value="/quick13") @ResponseBody public void save13(String[] strs) throws IOException { System.out.println(Arrays.asList(strs)); } @RequestMapping(value="/quick12") @ResponseBody public void save12(User user) throws IOException { System.out.println(user); } @RequestMapping(value="/quick11") @ResponseBody public void save11(String username,int age) throws IOException { System.out.println(username); System.out.println(age); } @RequestMapping(value="/quick10") @ResponseBody //期望SpringMVC自动将User转换成json格式的字符串 public User save10() throws IOException { User user = new User(); user.setUsername("lisi2"); user.setAge(32); return user; } @RequestMapping(value="/quick9") @ResponseBody public String save9() throws IOException { User user = new User(); user.setUsername("lisi"); user.setAge(30); //使用json的转换工具将对象转换成json格式字符串在返回 ObjectMapper objectMapper = new ObjectMapper(); String json = objectMapper.writeValueAsString(user); return json; } @RequestMapping(value="/quick8") @ResponseBody public String save8() throws IOException { return "{\"username\":\"zhangsan\",\"age\":18}"; } @RequestMapping(value="/quick7") @ResponseBody //告知SpringMVC框架 不进行视图跳转 直接进行数据响应 public String save7() throws IOException { return "hello itheima"; } @RequestMapping(value="/quick6") public void save6(HttpServletResponse response) throws IOException { response.getWriter().print("hello itcast"); } @RequestMapping("/quick666") public ModelAndView quickMethod3(){ ModelAndView modelAndView = new ModelAndView(); modelAndView.setViewName("forward:/WEB-INF/views/index.jsp"); modelAndView.addObject("username","lisi"); return modelAndView; } @RequestMapping(value="/quick5") public String save5(HttpServletRequest request){ request.setAttribute("username","酷丁鱼"); return "success"; } @RequestMapping(value="/quick4") public String save4(Model model){ model.addAttribute("username","博学谷"); return "success"; } @RequestMapping(value="/quick3") public ModelAndView save3(ModelAndView modelAndView){ modelAndView.addObject("username","itheima"); modelAndView.setViewName("success"); return modelAndView; } @RequestMapping(value="/quick2") public ModelAndView save2(){ /* Model:模型 作用封装数据 View：视图 作用展示数据 */ ModelAndView modelAndView = new ModelAndView(); //设置模型数据 modelAndView.addObject("username","itcast"); //设置视图名称 modelAndView.setViewName("success"); return modelAndView; } //请求必须是get请求，并带有username参数，才能映射到这个方法 @RequestMapping(value = "/quick",method = RequestMethod.GET,params = {"username"}) public String save(){ System.out.println("Controller save running...."); //return "/success.jsp";//从应用根目录出发找视图，没有/,表示相对路径，从/user出发找 return "forward:/jsp/success.jsp"; } }