여러개 파일 업로드하기, 다운로드 받기

 

package springmvc.fileup.ctr;

import java.io.File;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;

import springmvc.fileup.dto.MultiupDTO;
import springmvc.fileup.dto.SingleUpDTO;

@Controller
public class FileUploadController {
 private String uploadDirectory;//upload된 파일을 저장할 디렉토리
 public FileUploadController(String uploadDirectory) {//최종 저장소가 안바뀐다는 가정하에 생성자에서 주입 받음
  super();
  this.uploadDirectory = uploadDirectory;
 }
 //파일을 받는 변수 앞에는 @RequestParam을 붙여준다.
 @RequestMapping("/singleUp.do")
 public ModelAndView singleUp(String comment,@RequestParam MultipartFile upfile)throws Exception{
  boolean b = upfile.isEmpty();//false이면 업도드된 파일이 있다.
  HashMap map = new HashMap();
  if(upfile!=null && !b){
   System.out.println("-----------업로드된 파일 정보------------");
   String fileName = upfile.getOriginalFilename();
   long fileSize = upfile.getSize();
   System.out.println("파일명 : "+fileName+", 크기 : "+fileSize);
   //파일 이동(임시저장소 upfile의 정보를 영구적 저장소 uploadDirectory로 보내준다)
   upfile.transferTo(new File(uploadDirectory,fileName));
   map.put("fileName", fileName);
   
  }
  System.out.println("코멘트 : "+comment);
  map.put("comment", comment);
  return new ModelAndView("single_res", map);

 }
 @RequestMapping("/singleUpDTO.do")
 public ModelAndView singleUpDTO(SingleUpDTO sto)throws Exception{
  MultipartFile upfile = sto.getUpfile();
  String comment = sto.getComment();
  if(!upfile.isEmpty()){
   System.out.println("파일명 : "+upfile.getOriginalFilename());
   System.out.println("파일크기 : "+upfile.getSize());
   //파일이동
   upfile.transferTo(new File(uploadDirectory,upfile.getOriginalFilename()));
  }
  System.out.println("comment : "+comment);
  return new ModelAndView("single_res","sto",sto);
 }
 @RequestMapping("/singleUpReq.do")
 public ModelAndView singleUpReq(MultipartHttpServletRequest request)throws Exception{
  System.out.println("---------getFileNames() : 요청파라미터의 이름들 리턴 - type이 file인---------");
  Iterator<String> itr = request.getFileNames();
  while(itr.hasNext()){
   System.out.println(itr.next());
  }
  System.out.println("---------getParameter(), getParameterValues()");
  System.out.println("코멘트 : "+request.getParameter("comment"));
  System.out.println("--------getFile() : 업로드 파일정보 조회");
  MultipartFile upfile = request.getFile("upfile");
  if(!upfile.isEmpty()){
  System.out.println("파일명 : "+upfile.getOriginalFilename());
  upfile.transferTo(new File(uploadDirectory, upfile.getOriginalFilename()));
  }
  System.out.println("------getFiles() : 동일한 이름으로 여러개의 파일 업로드 시");
  List<MultipartFile> list = request.getFiles("myupfile");
  for(MultipartFile file : list){
   if(!file.isEmpty()){
    String fileName = file.getOriginalFilename();
    System.out.println("myfile : "+fileName);
    //이동
    file.transferTo(new File(uploadDirectory,fileName));
   }
  }
  
  SingleUpDTO sto = new SingleUpDTO();
  sto.setComment(request.getParameter("comment"));
  sto.setUpfile(upfile);
  HashMap map = new HashMap();
  map.put("sto", sto);
  map.put("list", list);
  return new ModelAndView("single_res",map);
 }
 @RequestMapping("/multiUp.do")
 public ModelAndView multiUp(MultiupDTO mto) throws Exception{
  String comment = mto.getComment();
  List<MultipartFile> list = mto.getUpfile();
  for(MultipartFile file : list){
   if(!file.isEmpty()){
    String fileName = file.getOriginalFilename();
    long size = file.getSize();
    System.out.println(fileName+" - "+size);
    //파일 이동(파일 카피가 아님)
    file.transferTo(new File(uploadDirectory,fileName));
   }
  }
  System.out.println("comment : "+comment);
  return new ModelAndView("multi_res","mto",mto);
  
 }
 
}

 

package springmvc.fileup.dto;

import java.util.List;

import org.springframework.web.multipart.MultipartFile;

public class MultiupDTO {
 private String comment;
 private List<MultipartFile> upfile;
 public String getComment() {
  return comment;
 }
 public void setComment(String comment) {
  this.comment = comment;
 }
 public List<MultipartFile> getUpfile() {
  return upfile;
 }
 public void setUpfile(List<MultipartFile> upfile) {
  this.upfile = upfile;
 }
 
}

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
Comment : ${requestScope.mto.comment }<br>
업로드된 파일들<br>
<c:forEach items="${requestScope.mto.upfile }" var="file">
 ${file.originalFilename }<br>
</c:forEach>
</body>
</html>

 

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
 <!-- ViewResolver -->
 <bean name="vr" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
 <property name="prefix" value="/WEB-INF/res/"/>
 <property name="suffix" value=".jsp"/>
 </bean>
 <!-- multipartResolver -->
 <bean name="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
 <property name="defaultEncoding" value="UTF-8"/>
 <!-- <property name="maxUploadSize" value="1048576"/> --><!--1M : 1024*1024, 1048576 -->
 </bean>
 <!-- Controller -->
 <bean name="fileUploadController" class="springmvc.fileup.ctr.FileUploadController">
 <constructor-arg value="D:\apache-tomcat-6.0.35\webapps\SpringMVC_04_fileUpload\upload"/>
 </bean>
</beans>

<!-- /application Root/upload -->

 

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
 <!-- DispatcherServlet 등록(front controller) -->
 <servlet>
  <servlet-name>dispatcher</servlet-name>
  <servlet-class>
   org.springframework.web.servlet.DispatcherServlet
  </servlet-class>
  <load-on-startup>1</load-on-startup>
 </servlet>
  <servlet-mapping>
   <servlet-name>dispatcher</servlet-name>
   <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  
  <!-- 한글 encoding 처리 -->
  <filter>
   <filter-name>encodingFilter</filter-name>
   <filter-class>
    org.springframework.web.filter.CharacterEncodingFilter
   </filter-class>
   <init-param>
    <param-name>encoding</param-name>
    <param-value>UTF-8</param-value>
   </init-param>
  </filter>
  <filter-mapping>
   <filter-name>encodingFilter</filter-name>
   <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="multiUp.do" method="post" enctype="multipart/form-data">
 Comment : <input type="text" name="comment"><br>
 파일<br>
 <input type="file" name="upfile[0]"><br>
 <input type="file" name="upfile[1]"><br>
 <input type="file" name="upfile[2]"><br>
 <input type="submit" value="전송"><br>
 

</form>
</body>
</html>

 

* 결과

Chrysanthemum.jpg - 879394
Lighthouse.jpg - 561276
Desert.jpg - 845941
comment : 123

 

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
Comment : ${requestScope.mto.comment }<br>
업로드된 파일들<br>
<c:forEach items="${requestScope.mto.upfile }" var="file">
<a href="/SpringMVC_04_fileUpload/upload/${file.originalFilename }">
${file.originalFilename }
</a><br>
</c:forEach>
</body>
</html>

 

* 결과

 

 

 

 

 * txt나 그림파일 html파일은 브라우저가 실행할 수 있다고 생각해서 다운 받지 않고 바로 실행시킨다. 그래서 아래서 다시 브라우저가 알 수 없는 파일로 지정하여 다운로드 할 수 있게 할 것이다.

 

* 실습

 

package springmvc.fileup.ctr;

import java.io.File;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;

import springmvc.fileup.dto.MultiupDTO;
import springmvc.fileup.dto.SingleUpDTO;

@Controller
public class FileUploadController {
 private String uploadDirectory;//upload된 파일을 저장할 디렉토리
 public FileUploadController(String uploadDirectory) {//최종 저장소가 안바뀐다는 가정하에 생성자에서 주입 받음
  super();
  this.uploadDirectory = uploadDirectory;
 }
 //파일을 받는 변수 앞에는 @RequestParam을 붙여준다.
 @RequestMapping("/singleUp.do")
 public ModelAndView singleUp(String comment,@RequestParam MultipartFile upfile)throws Exception{
  boolean b = upfile.isEmpty();//false이면 업도드된 파일이 있다.
  HashMap map = new HashMap();
  if(upfile!=null && !b){
   System.out.println("-----------업로드된 파일 정보------------");
   String fileName = upfile.getOriginalFilename();
   long fileSize = upfile.getSize();
   System.out.println("파일명 : "+fileName+", 크기 : "+fileSize);
   //파일 이동(임시저장소 upfile의 정보를 영구적 저장소 uploadDirectory로 보내준다)
   upfile.transferTo(new File(uploadDirectory,fileName));
   map.put("fileName", fileName);
   
  }
  System.out.println("코멘트 : "+comment);
  map.put("comment", comment);
  return new ModelAndView("single_res", map);

 }
 @RequestMapping("/singleUpDTO.do")
 public ModelAndView singleUpDTO(SingleUpDTO sto)throws Exception{
  MultipartFile upfile = sto.getUpfile();
  String comment = sto.getComment();
  if(!upfile.isEmpty()){
   System.out.println("파일명 : "+upfile.getOriginalFilename());
   System.out.println("파일크기 : "+upfile.getSize());
   //파일이동
   upfile.transferTo(new File(uploadDirectory,upfile.getOriginalFilename()));
  }
  System.out.println("comment : "+comment);
  return new ModelAndView("single_res","sto",sto);
 }
 @RequestMapping("/singleUpReq.do")
 public ModelAndView singleUpReq(MultipartHttpServletRequest request)throws Exception{
  System.out.println("---------getFileNames() : 요청파라미터의 이름들 리턴 - type이 file인---------");
  Iterator<String> itr = request.getFileNames();
  while(itr.hasNext()){
   System.out.println(itr.next());
  }
  System.out.println("---------getParameter(), getParameterValues()");
  System.out.println("코멘트 : "+request.getParameter("comment"));
  System.out.println("--------getFile() : 업로드 파일정보 조회");
  MultipartFile upfile = request.getFile("upfile");
  if(!upfile.isEmpty()){
  System.out.println("파일명 : "+upfile.getOriginalFilename());
  upfile.transferTo(new File(uploadDirectory, upfile.getOriginalFilename()));
  }
  System.out.println("------getFiles() : 동일한 이름으로 여러개의 파일 업로드 시");
  List<MultipartFile> list = request.getFiles("myupfile");
  for(MultipartFile file : list){
   if(!file.isEmpty()){
    String fileName = file.getOriginalFilename();
    System.out.println("myfile : "+fileName);
    //이동
    file.transferTo(new File(uploadDirectory,fileName));
   }
  }
  
  SingleUpDTO sto = new SingleUpDTO();
  sto.setComment(request.getParameter("comment"));
  sto.setUpfile(upfile);
  HashMap map = new HashMap();
  map.put("sto", sto);
  map.put("list", list);
  return new ModelAndView("single_res",map);
 }
 @RequestMapping("/multiUp.do")
 public ModelAndView multiUp(MultiupDTO mto) throws Exception{
  String comment = mto.getComment();
  List<MultipartFile> list = mto.getUpfile();
  for(MultipartFile file : list){
   if(!file.isEmpty()){
    String fileName = file.getOriginalFilename();
    long size = file.getSize();
    System.out.println(fileName+" - "+size);
    //파일 이동(파일 카피가 아님)
    file.transferTo(new File(uploadDirectory,fileName));
   }
  }
  System.out.println("comment : "+comment);
  return new ModelAndView("multi_res","mto",mto);
  
 }
 //다운 로드 처리
 @RequestMapping("/download.do")
  public ModelAndView download(String fileName) throws Exception{
   return new ModelAndView("downloadView", "fileName", fileName);
  }
 
}

 

package springmvc.fileup.dto;

import java.util.List;

import org.springframework.web.multipart.MultipartFile;

public class MultiupDTO {
 private String comment;
 private List<MultipartFile> upfile;
 public String getComment() {
  return comment;
 }
 public void setComment(String comment) {
  this.comment = comment;
 }
 public List<MultipartFile> getUpfile() {
  return upfile;
 }
 public void setUpfile(List<MultipartFile> upfile) {
  this.upfile = upfile;
 }
 
}

 

package springmvc.fileup.dto;

import org.springframework.web.multipart.MultipartFile;

public class SingleUpDTO {
 private String comment;
 private MultipartFile upfile;//업로드된 파일 정보를 저장할 변수
 public String getComment() {
  return comment;
 }
 public void setComment(String comment) {
  this.comment = comment;
 }
 public MultipartFile getUpfile() {
  return upfile;
 }
 public void setUpfile(MultipartFile upfile) {
  this.upfile = upfile;
 }
 
 
}

 

package springmvc.fileup.view;

import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.util.Map;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.util.FileCopyUtils;
import org.springframework.web.servlet.view.AbstractView;

/*
 * View 클래스 작성
 * 1. AbstractView를 extends
 * 2. getContentType() : 응답 content-type을 알려주는 메소드
 *     renderMergedOutputModel - 응답처리
 *     오버라이딩
 *
 */
public class DownloadView extends AbstractView{

 @Override
 public String getContentType() {
  return "application/octet-stream";//application인데 stream을 통해서 보내긴 하겠지만 뭔지 모르겟다.따라서 이걸 부르면 다운로드 받게 해준다.
 }
 //1. 인수 - Map : ModelAndView의 Model을 Map으로 넘겨준다.
 @Override
 protected void renderMergedOutputModel(Map<String, Object> map,
   HttpServletRequest request, HttpServletResponse response) throws Exception {//map은 우리가 modelAndView로 넘기는 값이 들어온다.
  //map : fileName 키값으로 다운로드 시킬 파일 명을 받는다.
  ServletContext ctx = getServletContext();
  //webapplication 경로-> filesystem결로로 바꿔준다.
  String realPath = ctx.getRealPath("/upload");///upload : web application Root경로 //파일경오만 바뀌지 다른 것은 그대로 가져다가 재사용가능하다.

  String fileName = (String) map.get("fileName");
  File downFile = new File(realPath, fileName);
  //응답처리
  //1. contentType처리
  response.setContentType(getContentType());
  //2. 다운 로드할 파일 명을 header정보로 설정
  response.setHeader("Content-Disposition", "attachment; filename="+new String(fileName.getBytes("UTF-8"),"8859_1"));//8859-1방식은 라틴방식이다. (한글처리)
  //위에서 filename으로 파일이 넘어간다.
  OutputStream os = response.getOutputStream();
  FileInputStream fi = new FileInputStream(downFile);
  //fi.read()한것을 os.write한 효과가 난다. 클라이언트에게 파일이 날아간다.
  FileCopyUtils.copy(fi, os);
 }
 
}

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
Comment : ${requestScope.mto.comment }<br>
업로드된 파일들<br>
<c:forEach items="${requestScope.mto.upfile }" var="file">
<a href="/SpringMVC_04_fileUpload/download.do?fileName=/${file.originalFilename }">
${file.originalFilename }
</a><br>
</c:forEach>
</body>
</html>

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
업로드된 파일<br>
Comment : ${requestScope.comment }<br>
파일 : ${requestScope.fileName }
<hr>
singleUpDTO.do 응답처리<br>
Comment : ${requestScope.sto.comment }<br>
파일 : ${requestScope.sto.upfile.originalFilename }
<hr>
singleUpReq.do 응답처리<br>
Comment : ${requestScope.sto2.comment }<br>
파일 : ${requestScope.sto2.upfile.originalFilename }<br>
<hr>
<c:forEach items="${requestScope.list }" var="file">
 ${file.originalFilename }<br>
</c:forEach>
</body>
</html>

 

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
 <!-- ViewResolver InternalResourceViewResolver는 항상 마지막에 찾도록 한다.-->
 <bean name="vr" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
  <property name="prefix" value="/WEB-INF/res/"/>
  <property name="suffix" value=".jsp"/>
  <!-- ViewResolver 가 두개 이상 일경우 호출 순서 처리한다. -->
  <property name="order" value="2"/>
 </bean>
 <bean name="vr2" class="org.springframework.web.servlet.view.BeanNameViewResolver">
  <property name="order" value="1"/>
 </bean>
 <!-- multipartResolver -->
 <bean name="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
 <property name="defaultEncoding" value="UTF-8"/>
 <!-- <property name="maxUploadSize" value="1048576"/> --><!--1M : 1024*1024, 1048576 -->
 </bean>
 <!-- Controller -->
 <bean name="fileUploadController" class="springmvc.fileup.ctr.FileUploadController">
 <constructor-arg value="D:\apache-tomcat-6.0.35\webapps\SpringMVC_04_fileUpload\upload"/>
 </bean>
 <!-- View 빈으로 등록 -->
 <bean name="downloadView" class="springmvc.fileup.view.DownloadView"/>
</beans>

<!-- /application Root/upload -->

 

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
 <!-- DispatcherServlet 등록(front controller) -->
 <servlet>
  <servlet-name>dispatcher</servlet-name>
  <servlet-class>
   org.springframework.web.servlet.DispatcherServlet
  </servlet-class>
  <load-on-startup>1</load-on-startup>
 </servlet>
  <servlet-mapping>
   <servlet-name>dispatcher</servlet-name>
   <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  
  <!-- 한글 encoding 처리 -->
  <filter>
   <filter-name>encodingFilter</filter-name>
   <filter-class>
    org.springframework.web.filter.CharacterEncodingFilter
   </filter-class>
   <init-param>
    <param-name>encoding</param-name>
    <param-value>UTF-8</param-value>
   </init-param>
  </filter>
  <filter-mapping>
   <filter-name>encodingFilter</filter-name>
   <url-pattern>/*</url-pattern>
  </filter-mapping>
</web-app>

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="multiUp.do" method="post" enctype="multipart/form-data">
 Comment : <input type="text" name="comment"><br>
 파일<br>
 <input type="file" name="upfile[0]"><br>
 <input type="file" name="upfile[1]"><br>
 <input type="file" name="upfile[2]"><br>
 <input type="submit" value="전송"><br>
 

</form>
</body>
</html>

 

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
파일 업로드 요청<br>
<form action="singleUp.do" method="post" enctype="multipart/form-data">
 comment : <input type="text" name="comment"><br>
 파일 : <input type="file" name="upfile"><br>
 <input type="submit" value="전송">
</form>
<hr>
DTO 이용
<form action="singleUpDTO.do" method="post" enctype="multipart/form-data">
 comment : <input type="text" name="comment"><br>
 파일 : <input type="file" name="upfile"><br>
 <input type="submit" value="전송">
</form>
<hr>
Request 이용<br>
<form action="singleUpReq.do" method="post" enctype="multipart/form-data">
 comment : <input type="text" name="comment"><br>
 파일 : <input type="file" name="upfile"><br>
 <input type="file" name="myupfile"><br>
 <input type="file" name="myupfile"><br>
 <input type="file" name="myupfile"><br>
 <input type="submit" value="전송">
</form>
</body>
</html>

 

* 결과