Java Jsoup实现网络资源一键下载

public static void main(String[] args) throws IOException {

    //Open a URL Stream
    Connection.Response resultImageResponse = Jsoup.connect("目标地址").ignoreContentType(true).execute();
    // 解决url中可能有中文情况
    URL url = new URL("目标地址");
    HttpURLConnection http = (HttpURLConnection)url.openConnection();
    http.setConnectTimeout(3000);
    // 设置 User-Agent 避免被拦截
    http.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)");
    如有Cookie在此处添加
    String contentType = http.getContentType();
    System.out.println("contentType: "+ contentType);
    // 获取文件大小
    long length = http.getContentLengthLong();
    System.out.println("文件大小："+(length / 1024)+"KB");
    // 获取文件名
    InputStream inputStream = http.getInputStream();
    byte[] buff = new byte[1024*10];
    File file=new File("D:/","zi.zip");
    OutputStream out = new FileOutputStream(file);
    int len ;
    int count = 0; // 计数
    while((len = inputStream.read(buff)) != -1) {
        out.write(buff, 0, len);
        out.flush();
        ++count ;
    }
    System.out.println("count:"+ count);
    // 关闭资源