public class TestImgJsoup {



	/**
	 * @param urlPath
	 *            图片路径
	 * @throws Exception
	 */
	public void getImages(String urlPath, String filePath, String fileName) {
		try {
			URL url = new URL(urlPath);// ：获取的路径
			// :http协议连接对象
			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
			conn.setRequestMethod("GET");
			conn.setReadTimeout(6 * 10000);
			if (conn.getResponseCode() == 200) {
				InputStream inputStream = conn.getInputStream();
				byte[] data = readStream(inputStream);
				if (data.length > (1024 * 10)) {
					FileOutputStream outputStream = new FileOutputStream(
							filePath + fileName);
					outputStream.write(data);
					outputStream.close();
				}
			}

		} catch (Exception e) {
			e.printStackTrace();
			System.out.println("下载图片出错" + e.getMessage() + "    "
					+ e.getCause());
		}
	}

	/**
	 * 读取url中数据，并以字节的形式返回
	 *
	 * @param inputStream
	 * @return
	 * @throws Exception
	 */
	public byte[] readStream(InputStream inputStream) throws Exception {
		ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
		byte[] buffer = new byte[2048];
		int len = -1;
		while ((len = inputStream.read(buffer)) != -1) {
			outputStream.write(buffer, 0, len);
		}
		outputStream.close();
		inputStream.close();
		return outputStream.toByteArray();
	}


	public static void main(String[] args) {

		String urlPath="http://www.javaweb.top/images/360_2.jpg";
		TestImgJsoup testImgJsoup= new TestImgJsoup();
		testImgJsoup.getImages(urlPath, "C:\\", "2345.jpg");
		//保存图片

	}
}