練習1-file Upload

<!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
<dependency>
    <groupId>commons-fileupload</groupId>
    <artifactId>commons-fileupload</artifactId>
    <version>1.4</version>
</dependency>

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

<form action="file_upload" method="post" enctype="multipart/form-data">
	<input type="file" name="myfile">
	<input type="submit" name="submitBtn" value="ok">
</form>

import java.io.File;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.web.multipart.MultipartFile;


	@Autowired
	ResourceLoader rsLoader;

	@PostMapping("/file_upload")
	public String fileUpload(MultipartFile myfile) throws IllegalStateException, IOException { // jsp 파일 name과 변수명 맞추기
		System.out.println("파일 업로드 "+myfile.getOriginalFilename());
		//myfile.transferTo(new File("C:/ssafy/ssafy_"+myfile.getOriginalFilename())); //내가 저장하고 싶은 곳

		String filename = myfile.getOriginalFilename();
		filename = new String(filename.getBytes("8859_1"),"utf-8");	

		Resource resource = rsLoader.getResource("resources/upload"); //상대경로
		myfile.transferTo(new File(resource.getFile().getCanonicalPath()+
				"/"+filename)); //내가 저장하고 싶은 곳
		System.out.println("저장성공");
		return "redirect:/";
	}

filename = new String(filename.getBytes("8859_1"),"utf-8");