图片的下载

/**
	 * 下载图片
	 * 
	 * @param imageUrl
	 *            图片的地址
	 * @param client
	 *            访问HTTPS的client
	 * @return 返回是否已经下载完成
	 */
	public boolean saveImage(String imageUrl, DefaultHttpClient client) {
		boolean finish = false;
		if (imageUrl != null) {
			HttpGet imageGet = new HttpGet(imageUrl);
			try {
				HttpResponse execute = client.execute(imageGet);
				HttpEntity entity = execute.getEntity();
				InputStream content = entity.getContent();
				OutputStream outputStream = new FileOutputStream("C:\\Users\\admin\\Desktop\\IMG\\imgage.jpg");
				IOUtils.copy(content, outputStream);
				IOUtils.closeQuietly(content);
				IOUtils.closeQuietly(outputStream);
				finish = true;
			} catch (ClientProtocolException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}

		}
		System.out.println("下载验证码图片是否完成：" + finish);
		return finish;
	}