IT견습생: 이미지 등록하기

완성된 이미지 예제 보기
project - kanjiController - register_kanji / 받아오기 login / home.jsp

라이브러리 2개 먼저 받자

http://commons.apache.org/proper/commons-fileupload/download_fileupload.cgi

https://commons.apache.org/proper/commons-io/download_io.cgi

압축풀고 jar파일 라이브러리에 넣어주자

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shop1 / admin.jsp

<form action="insertimg.do" method="post" enctype="multipart/form-data">
<div class="modal fade" id="insertItemImgModal">
 <div class="modal-dialog">
  <div class="modal-content">
   <div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
    <h4 class="modal-title" id="myModalLabel">이미지추가</h4>
   </div>
   
   <div class="modal-body">
    <input type="text" class="form-control" name="no" placeholder="물품번호" />
    <input type="file" name="file1" class="form-control" />
    <input type="file" name="file2" class="form-control" />
    <input type="file" name="file3" class="form-control" />
    <input type="file" name="file4" class="form-control" />
    <input type="file" name="file5" class="form-control" />        
   </div>
   
   <div class="modal-footer">
    <button type="submit" class="btn btn-primary">추가</button>
    <button type="button" class="btn btn-default" data-dismiss="modal">닫기</button>
   </div>
  </div>
 </div>
</div>
</form>

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        DiskFileItemFactory factory = new DiskFileItemFactory();        

        factory.setRepository(new File(System.getProperty("java.io.tmpdir")));

        ServletFileUpload upload = new ServletFileUpload(factory);

        upload.setFileSizeMax(1024*1024*10); //10Mbyte

        //저장 위치

        String root =request.getSession().getServletContext().getRealPath("/");

        System.out.println(root);

        try {

            List<FileItem> list = upload.parseRequest(request);

            if(list != null && list.size() >0) {

                for(FileItem tmp:list) {

                    if(!tmp.isFormField()) { //"file"일 경우

                    //파일명

                    String fileName = new File(tmp.getName()).getName();

                    //파일 저장위치설정

                    File file = new File(root+File.separator+fileName);

                    //파일저장

                    tmp.write(file);

                    }

                    else { //"file"이 아닐 경우

                        String value=tmp.getString();

                        System.out.println(value);

                    }

                }                

            }            

        } catch (Exception e) {

        }

    }

Colored by Color Scripter
cs

선생님 블로그에서 가져온것

.라이브러리 다운로드 pom.xml

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

<groupId>com.example</groupId>

<version>1.0.0-BUILD-SNAPSHOT</version>

<java-version>1.7</java-version>

<org.springframework-version>4.2.2.RELEASE</org.springframework-version>

<org.aspectj-version>1.6.10</org.aspectj-version>

<org.slf4j-version>1.6.6</org.slf4j-version>

</properties>

<groupId>commons-fileupload</groupId>

<artifactId>commons-fileupload</artifactId>

</dependency>

<groupId>org.apache.commons</groupId>

<artifactId>commons-io</artifactId>

</dependency>

</dependencies>

</project>

2. webapp/WEB-INF/spring/appServlet/servlet-context.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans:beans xmlns="http://www.springframework.org/schema/mvc"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"

xmlns:context="http://www.springframework.org/schema/context"

xsi:schemaLocation="

http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd

http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd ">

<!-- DispatcherServlet Context: defines this servlet's request-processing

infrastructure -->

<annotation-driven />

<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

<beans:property name="prefix" value="/WEB-INF/views/" />

<beans:property name="suffix" value=".jsp" />

</beans:bean>

<context:component-scan base-package="com.example.mvc2" />

<beans:bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

<beans:property name="maxUploadSize" value="1000000"/>

</beans:bean>

</beans:beans>

3. UploadController.java 파일 생성

package com.example.mvc2;

import java.util.Locale;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.ResponseBody;

@Controller

public class UploadController {

private static final Logger logger = LoggerFactory.getLogger(UploadController.class);

@RequestMapping(value = "/upload", method = RequestMethod.GET)

public String upload() {

return "upload"; //upload.jsp표시

}

@RequestMapping(value = "/upload", method = RequestMethod.POST)

public @ResponseBody String upload1(@RequestParam("file") MultipartFile file, HttpServletRequest request) {

//파일이 비어 있지 않다면

if(!file.isEmpty()){

try{

//파일명 저장

String filename = file.getName();

//현재 실행중인 서버의 root위치

String root = request.

System.out.println(filename);

System.out.println(root);

// root디렉토리/upload디렉토리 밑에 생성

File dir = new File(root + File.separator + "upload");

// 디렉토리가 없으면 디렉토리 생성함.

if (!dir.exists()) {

dir.mkdirs();

}

byte[] bytedata = file.getBytes();

File serverFile = new File(dir.getAbsolutePath() + File.separator + filename);

BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(serverFile));

stream.write(bytedata);

stream.close();

return "upload ok";

}

catch(Exception e){

return "upload fail";

}

else{

return "upload fail";

}

======================= 비교해서 보기 ( 내가 만든거) =======================

@RequestMapping(value="/register_kanji",method=RequestMethod.POST)

public String register(

@RequestParam("name")String name,

@RequestParam("email")String email,

@RequestParam("image")MultipartFile img,

@RequestParam("pw")String pw,

HttpServletRequest request){

if(!img.isEmpty()) {

try {

filename =System.currentTimeMillis()+img.getOriginalFilename();//선생님예제에서는 getname()

String root = request.getSession().getServletContext().getRealPath("/");

System.out.println(filename);

System.out.println(root);

//이미지 저장하는 폴더 생성

File dir = new File(root + File.separator + "resources/images"); //이클립스에서 쓰는 폴더

if(!dir.exists()) {

dir.mkdirs();

}

byte[] bytedata = img.getBytes();

File serverFile = new File(dir.getAbsolutePath() + File.separator + filename);

BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(serverFile));

stream.write(bytedata);

stream.close();

} catch (Exception e) {

return "upload fail";

}

Kanji_member km = new Kanji_member();

km.setImage(filename);

km.setEmail(email);

km.setName(name);

km.setPw(pw);

kDAO.registerMember(km);

System.out.println("입력성공");

return "redirect:home";

}

4. upload.jsp파일 생성

<%@ page pageEncoding="UTF-8" contentType="text/html;charset=UTF-8" %>

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form" %>

<html>

<head>

<title>이미지업로드</title>

</head>

<body>

</form>

</div>

</body>

</html>

-------------------------------------------------------------

1.라이브러리 다운로드 pom.xml

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

<groupId>com.example</groupId>

<version>1.0.0-BUILD-SNAPSHOT</version>

<java-version>1.7</java-version>

<org.springframework-version>4.2.2.RELEASE</org.springframework-version>

<org.aspectj-version>1.6.10</org.aspectj-version>

<org.slf4j-version>1.6.6</org.slf4j-version>

</properties>

<groupId>servlets.com</groupId>

</dependency>

</dependencies>

</project>

2. UploadController.java 파일 생성

package com.example.mvc2;

import java.util.Locale;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.ResponseBody;

@Controller

public class UploadController {

private static final Logger logger = LoggerFactory.getLogger(UploadController.class);

@RequestMapping(value = "/upload", method = RequestMethod.GET)

public String upload() {

return "upload"; //upload.jsp표시

}

@RequestMapping(value = "/upload1", method = RequestMethod.POST)

public @ResponseBody String upload2(HttpServletRequest request) {

int maxSize = 1024*1024*10; //10M

String root = request.getSession().getServletContext().getRealPath("/"); // root디렉토리/upload디렉토리 밑에 생성

File dir = new File(root + File.separator + "upload1"); // 디렉토리가 없으면 디렉토리 생성함.

if (!dir.exists()) {

dir.mkdirs();

}

try{ //저장위치, 최대용략설정

MultipartRequest multi

= new MultipartRequest(request, dir.getAbsolutePath(), maxSize, "UTF-8", new DefaultFileRenamePolicy());

String uploadFile = multi.getFilesystemName("file");

System.out.println(uploadFile);

return "upload1 ok";

}

catch(Exception e){

return "upload1 fail";

}

3. upload.jsp파일 생성

<%@ page pageEncoding="UTF-8" contentType="text/html;charset=UTF-8" %>

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form" %>

<html>

<head>

<title>이미지업로드</title>

</head>

<body>

</form>

</div>

</body>

[출처] 이미지 업로드|작성자 ihongss

IT견습생

2017년 9월 20일 수요일

이미지 등록하기

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