java文件上传到本地

@ResponseBody
    @RequestMapping(value="upload")
    public void testUpload(@RequestParam("file") MultipartFile file) throws IOException {
     
      Map<String, Object> map = new HashMap<>();
        if (file.length == 0) {
     
            Resp res = Resp.getNew().fail("文件内容为空，请重新选择文件！");
            return res;
        }
        String fileExtension = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
        String fileName = "qqq" + fileExtension;
        String path ="D:/imgs/";
        //检查该路径对应的目录是否存在. 如果不存在则创建目录
        File dir=new File(path);
        if (!dir.exists()) {
     
            dir.mkdirs();
        }
        String filePath = path + fileName;
        System.out.println("filePath: "+filePath);
        //保存文件
        File dest = new File(filePath);
        if (!(dest.exists())) {
     
            file.transferTo(dest);
        }
        }

删除本地图片

try {
     
         
            String filePath = filePathAndName;//路径
            System.out.println(filePath);
            filePath = filePath.toString();
            java.io.File myDelFile = new java.io.File(filePath);
            myDelFile.delete();
        } catch (Exception e) {
     
            System.out.println("删除文件操作出错");
            e.printStackTrace();
        }