/****
	 * 抓取网页全部内容 crawlUrl 相关网页的URL
	 * @return
	 */
	private String getWebHtml(){
		String inputLine = null;
		String line2 = "";
		try {
			URL url = new URL(crawlUrl);
			HttpURLConnection urlConnection = (HttpURLConnection)url.openConnection();
			BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), "UTF-8"));
			while ((line2 = in.readLine()) != null) {
				inputLine += line2;
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return inputLine;
	}