fileupload

@PostMapping("/upload")
@ResponseBody
public Result upload(HttpServletRequest request, MultipartFile file) {
	
	/**
	 * uploadPath可以是绝对路径 或 相对路径
	 *      绝对路径：D:\\test  或   /opt/upload
	 *      相对路径：upload    相对路径上传的文件会在项目同级目录生成的文件夹中
	 */
	String uploadPath = "upload";

	Map<String, Object> map = null;

	try {
		map = UploadUtils.uploadImage(file, uploadPath);
	} catch (FileFormatException e) {
		e.printStackTrace();    // 不支持的文件格式
	} catch (FileSizeException e) {
		e.printStackTrace();    // 文件大小超过限制
	} catch (UploadException e) {
		e.printStackTrace();    // 上传出错
	} catch (Exception e) {
		e.printStackTrace();
	}

	if (map!=null) {
		System.out.println(map);
	}
	
	return Result.success();
}

<dependency>
	<groupId>cn.javaex</groupId>
	<artifactId>fileupload</artifactId>
	<version>1.0.2</version>
</dependency>

<!-- 如果是基于spring的web项目，则下面2个依赖可以不用引入 -->
<dependency>
	<groupId>javax.servlet</groupId>
	<artifactId>javax.servlet-api</artifactId>
	<version>4.0.1</version>
	<scope>provided</scope>
</dependency>
<dependency>
	<groupId>org.springframework</groupId>
	<artifactId>spring-webmvc</artifactId>
	<version>4.3.7.RELEASE</version>
	<scope>provided</scope>
</dependency>