用Java从网络下载图片和视频到本地，然后上传到你的个人文件服务器！

<dependency>
    <groupId>cn.hutool</groupId>
    <artifactId>hutool-all</artifactId>
    <version>5.8.12</version>
</dependency>

implementation 'cn.hutool:hutool-all:5.8.12'

String url = "https://ipfs.io/ipfs/bafybeiawxuupxfab4mrbgsf6vsjagat6i2nqk7pov5tdcnzllwv243raoi";
String contentType = HttpUtil.createGet(url).execute().header(Header.CONTENT_TYPE);

// 下载文件进度 1 / 100
final double[] downloadFileProgress = { 0.1D };
// 新文件名：时间戳-UUID
String newName = String.format("%s-%s", System.currentTimeMillis(), CommonUtil.randomUUID());
// 文件扩展名：从表格进行匹配
String extension = ".png";
// 下载文件：回调下载进度，放在 /temp 目录下
File file = HttpUtil.downloadFileFromUrl(url.getUrl(), new File("/temp/" + newName + extension), new StreamProgress() {
    // 开始下载
    @Override
    public void start() {
        log.info("Start download file...");
    }
    
    // 每隔 10% 记录一次日志
    @Override
    public void progress(long total, long progressSize) {
        double downloadFileProgressTemp = (double) progressSize / total;
        if (downloadFileProgressTemp >= downloadFileProgress[0]) {
            downloadFileProgress[0] += 0.1D;
            log.info("Download file progress: {}% [{} / {}]", downloadFileProgressTemp * 100, progressSize, total);
        }
    }
    
    // 下载成功
    @Override
    public void finish() {
        log.info("Download file success!");
    }
});

String myServerUrl = FileUtil.upload(file);

boolean deleted = file.delete();

URL url = new URL(url);
url.openConnection()

// 执行请求获取响应
HttpResponse cn.hutool.http.HttpRequest.execute();
// 根据 url 下载文件
File cn.hutool.http.HttpUtil.downloadFileFromUrl(String url, File destFile, StreamProgress streamProgress);