[SPRING] 파일 업로드 - multipartResolver

pom.xml (dependency 추가)

<dependency>
    <groupId>commons-fileupload</groupId>
    <artifactId>commons-fileupload</artifactId>
    <version>1.3.1</version>
</dependency>
<dependency>
    <groupId>commons-io</groupId>
    <artifactId>commons-io</artifactId>
    <version>2.4</version>
</dependency>

dispatcher-servlet.xml (bean 추가)

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

test.jsp (file추가 - form에 enctype 추가)

<form action="/test.do" method="post" enctype="multipart/form-data">
    <input type="file" name="file" />
    <input type="submit" value="서버전달"/>
</form>

controller(MultipartFile)

@RequestMapping("test.do")
    public String write(MultipartFile file){
        System.out.println(file.getName());
        System.out.println(file.getOriginalFilename());
        System.out.println(file.getSize());
        System.out.println(file.getContentType());
        return "";
    }