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public static void connect() throws Exception {
String url = "http://www.baidu.com";
HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
String charset = "UTF-8";
conn.setRequestMethod("GET");
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setConnectTimeout(1000 * 30);
conn.setReadTimeout(1000 * 60);
conn.setAllowUserInteraction(true);
conn.setInstanceFollowRedirects(true);
conn.setRequestProperty("Content-Type", "text/html; charset=" + charset);
InputStream in = conn.getInputStream();
BufferedReader reader =
new BufferedReader(new InputStreamReader(in, charset));
StringBuffer html = new StringBuffer();
String line = null;
while((line = reader.readLine()) != null) {
html.append(line + "\n");
}
in.close();
System.err.println(html);
}