SpringBoot文件上传

@ApiOperation(value = "文件上传")
@PostMapping(value = "/upload", headers = "content-type=multipart/form-data")
public String upload(@RequestParam("file") MultipartFile file) {
	if (file.isEmpty()) {
		log.warn("文件为空");
		return "上传失败，请选择文件";
	}
	try {
		file.transferTo(new File(savePath + file.getOriginalFilename()));
		return "文件上传成功";
	} catch (IOException e) {
		return "文件上传失败";
	}
}

<form action="/file/upload" method="post" enctype="multipart/form-data">
    <input type="file" name="file">
    <input type="submit">
</form>