String requestUrl = "http://www.baidu.com";
URL url = new URL(requestUrl);
HttpURLConnection uc = (HttpURLConnection) url.openConnection();
uc.setRequestMethod("GET");
uc.setDoInput(true);
uc.setRequestProperty("Accept-Charset", "utf-8");
uc.setConnectTimeout(60000);
已经执行了url.openConnection()了,再设置一些属性还有什么意义?