ImageUploadApplication.java 文件源码

void setImage(String id, MultipartFile image, Set<String> tokens) throws IOException {
    Zettl zettl = mongoOperations.findById(id, Zettl.class);
    deleteOldImage(zettl, tokens);
    GridFSFile gridFSFile = gridFsOperations.store(image.getInputStream(), image.getName(), image.getContentType());
    zettl.setImageId(gridFSFile.getId().toString());
    zettlUpdater.save(zettl, tokens);
}