idea下载路径的选择问题

Question

String localAdd = "D:\\picture";File dir = new File(localAdd);if (!dir.exists()) {    dir.mkdirs();}try {    File file = new File(localAdd + "/" + imageName);    OutputStream os = new FileOutputStream(file);    URL url = new URL(Url);    InputStream is = url.openStream();    byte[] buff = new byte[1024];    while (true) {        int readed = is.read(buff);        if (readed == -1) {            break;        }        byte[] temp = new byte[readed];        System.arraycopy(buff, 0, temp, 0, readed);        // 写入文件        os.write(temp);    }    is.close();    os.close();} catch (Exception e) {    e.printStackTrace();}这是部分下载的代码，功能可用就是下载的路径不知道怎么改成可选择的

Answer 1

jFileChoose应该可以