文件上传下载controller
@Controller
public class FileController {
@Autowired
UploadConfig uploadConfig;
@RequestMapping("/upload")
public Result<String> upload(@RequestParam("file") MultipartFile file){
if(file == null){
return Result.error("文件上传为空");
}
//原始文件名
String originalFilename = file.getOriginalFilename();
String newName = UUID.randomUUID().toString();
if(originalFilename.contains(".")){
newName +=originalFilename.substring(originalFilename.lastIndexOf("."));
}
FileOutputStream fos=null;
try {
fos = new FileOutputStream(uploadConfig.getFileSavePath()+newName);
IOUtils.copy(file.getInputStream(),fos);
return Result.success(uploadConfig.getWebPath()+newName);
}catch (Throwable e){
return Result.error("上传文件失败");
}finally {
cloaseStream(fos);
}
}
@RequestMapping("/webFile/**")
public void webFile(HttpServletRequest request, HttpServletResponse response) throws IOException{
String uri = request.getRequestURI();
String filePath = uri.replaceAll(uploadConfig.getWebPath(), uploadConfig.getFileSavePath());
File file = new File(filePath);
if(!file.exists()){
response.sendError(404,"文件不存在");
return;
}
ServletOutputStream outputStream = response.getOutputStream();
InputStream inputStream = new FileInputStream(file);
try {
IOUtils.copy(inputStream,outputStream);
}catch (Exception e){
}finally {
cloaseStream(outputStream);
cloaseStream(inputStream);
}
}
private void cloaseStream(Closeable closeable){
try {
if(closeable!=null){
closeable.close();
}
}catch (Exception e){
}
}
@RequestMapping("/download/webFile/{fileName}")
public void download(@PathVariable("fileName") String fileName,HttpServletResponse response) throws IOException{
if(StringUtils.isEmpty(fileName)){
response.sendError(404,"文件不存在");
return;
}
String savePath = uploadConfig.getFileSavePath()+fileName;
File file = new File(savePath);
if(!file.exists()){
response.sendError(404,"文件不存在");
return;
}
response.setHeader("Content-Disposition", "attachment;filename="+fileName);
InputStream in = null;
try {
in= new FileInputStream(savePath);
IOUtils.copy(in,response.getOutputStream());
}catch (Exception e){
}finally {
cloaseStream(response.getOutputStream());
cloaseStream(in);
}
}
}
prifiles 配置
common.properties
spring.servlet.multipart.max-file-size=100MB
spring.servlet.multipart.max-request-size=1000MB
#保存路径
#虚拟路径
file.web.path=/webFile/
spring.thymeleaf.prefix=classpath:templates
mac profile
file.save.path=/Users/zyz/uploads/
win profile
file.save.path=D:/Users/zyz/uploads/
spring.profiles.active=win
