根据图片地址下载图片到本地
public static void main(String[] args) { String urls = "http://rongcloud-web.qiniudn.com/docs_demo_rongcloud_logo.png"; String path = "d:/pic.png"; try { URL url = new URL(urls); DataInputStream dataInputStream = new DataInputStream(url.openStream()); FileOutputStream fileOutputStream = new FileOutputStream(new File(path)); ByteArrayOutputStream output = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int length; while ((length = dataInputStream.read(buffer)) > 0) { output.write(buffer, 0, length); } fileOutputStream.write(output.toByteArray()); dataInputStream.close(); fileOutputStream.close(); } catch (IOException e) { e.printStackTrace(); } }