public class URLT {
    public static void main(String[] args) throws IOException {
        String strURL = "http://www.ip.cn/getip2.php?action=queryip&ip_url=218.56.35.18";
        System.out.println(getURLContents(strURL));
    }

    public static String getURLContents(String strURL) {
        StringBuffer sb = new StringBuffer();
        try {
            URL url = new URL(strURL);
            URLConnection connection = url.openConnection();
            HttpURLConnection httpConn = (HttpURLConnection) connection;
            System
                    .setProperty("sun.net.client.defaultConnectTimeout",
                            "150000");
            System.setProperty("sun.net.client.defaultReadTimeout", "150000");
            httpConn.setRequestMethod("GET");// 设置请求为POST方法
            connection.setDoOutput(true);// 可以输出
            InputStreamReader isr = new InputStreamReader(httpConn
                    .getInputStream(), "GBK");
            BufferedReader br = new BufferedReader(isr);
            String temp;
            while ((temp = br.readLine()) != null) {
                temp = temp.trim();
                if (temp != null && temp.length() > 0) {
                    sb.append(temp);
                }
            }
            br.close();
            isr.close();
        } catch (Exception e) {
            System.out.println("Error 1" + e.getMessage());
        }
        return sb.toString();
    }
}