判断微信用户是否关注了公众号

/**
 * 判断用户是否关注了公众号
 */
public static boolean judgeIsFollow(String token,String openid){
    Integer subscribe
        String url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token="+token+"&openid="+openid+"&lang=zh_CN";
    try {  
            URL urlGet = new URL(url);  
            HttpURLConnection http = (HttpURLConnection) urlGet.openConnection();  
            http.setRequestMethod("GET"); // 必须是get方式请求  
            http.setRequestProperty("Content-Type","application/x-www-form-urlencoded");  
            http.setDoOutput(true);  
            http.setDoInput(true);  
            http.connect();  
            InputStream is = http.getInputStream();  
            int size = is.available();  
            byte[] jsonBytes = new byte[size];  
            is.read(jsonBytes);  
            String message = new String(jsonBytes, "UTF-8");  
            JSONObject demoJson = JSONObject.fromObject(message);  
            //System.out.println("JSON字符串："+demoJson);  
            subscribe = demoJson.getInt("subscribe");

            is.close();  
    } catch (Exception e) {  
            e.printStackTrace();  
    }
    return 1==subscribe?true:false;
}