스프링(Spring) 파일 업로드(File Upload) [펌]

스프링(Spring) 파일 업로드(File Upload) [펌]

 

1. 스프링(Spring) 파일 업로드(File Upload)

- 필요 jar 파일 (com.springsource.org.apache.commons.fileupload.jar, com.springsource.org.apache.commons.io.jar)

- HTML

태그의 enctype 속성을 multipart/form-data 설정

- 스프링 설정 파일에 MultipartResolver 설정

 

2. 코딩 소스

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// FileController.java   package controller.com.tistory.gangzzang;   import java.io.File; import java.io.FileOutputStream; import java.io.IOException;   import model.com.tistory.gangzzang.FileDTO;   import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView;   @Controller public class FileController {     @RequestMapping(value = "/file.do", method = RequestMethod.GET)   public ModelAndView fileForm() {     ModelAndView mv = new ModelAndView();     mv.setViewName("fileForm");     return mv;   }       @RequestMapping(value = "/file.do", method = RequestMethod.POST)   public String fileSubmit(FileDTO dto) {     MultipartFile uploadfile = dto.getUploadfile();     if (uploadfile != null) {       String fileName = uploadfile.getOriginalFilename();       dto.setFileName(fileName);       try {         // 1. FileOutputStream 사용         // byte[] fileData = file.getBytes();         // FileOutputStream output = new FileOutputStream("C:/images/" + fileName);         // output.write(fileData);                   // 2. File 사용         File file = new File("C:/images/" + fileName);         uploadfile.transferTo(file);       } catch (IOException e) {         e.printStackTrace();       } // try - catch     } // if     // 데이터 베이스 처리를 현재 위치에서 처리     return "redirect:getBoardList.do"; // 리스트 요청으로 보내야하는데 일단 제외하고 구현   } }

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// FileDTO.java   package model.com.tistory.gangzzang;   import org.springframework.web.multipart.MultipartFile;   public class FileDTO {   private String name, pwd, title, content, fileName;   private MultipartFile uploadfile;     public String getName() {     return name;   }     public void setName(String name) {     this.name = name;   }     public String getPwd() {     return pwd;   }     public void setPwd(String pwd) {     this.pwd = pwd;   }     public String getTitle() {     return title;   }     public void setTitle(String title) {     this.title = title;   }     public String getContent() {     return content;   }     public void setContent(String content) {     this.content = content;   }     public String getFileName() {     return fileName;   }     public void setFileName(String fileName) {     this.fileName = fileName;   }     public MultipartFile getUploadfile() {     return uploadfile;   }     public void setUploadfile(MultipartFile uploadfile) {     this.uploadfile = uploadfile;   } }

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<!--?xml version="1.0" encoding="UTF-8"?-->   <!-- beans.xml -->   <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" 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.xsd   http://www.springframework.org/schema/context   http://www.springframework.org/schema/context/spring-context.xsd   ">     <context:component-scan base-package="controller.com.tistory.gangzzang">       <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">     <property name="prefix" value="/WEB-INF/view/">     <property name="suffix" value=".jsp">   </property></property></bean>       <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> </bean></context:component-scan></beans>

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<!--?xml version="1.0" encoding="UTF-8"?-->   <!-- web.xml -->   <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemalocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">   <display-name>SpringBoard</display-name>       <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>       <servlet>     <servlet-name>dispatcher</servlet-name>     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>     <init-param>       <param-name>contextConfigLocation</param-name>       <param-value> /WEB-INF/beans.xml</param-value>     </init-param>   </servlet>       <servlet-mapping>     <servlet-name>dispatcher</servlet-name>     <url-pattern>*.do</url-pattern>   </servlet-mapping>   </web-app>

3. 실행 화면

- localhost:웹컨테이너포트번호/SpringFileUpload/file.do 요청으로 실행한다.

출처:https://gangzzang.tistory.com/entry/스프링Spring-파일-업로드File-Upload[갱짱.study]