package day1;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
public class Current {
public static void main(String[] args) {
String webUrl1 = "
http://www.bjtime.cn";//bjTime
String webUrl2 = "
http://www.baidu.com";//百度
String webUrl3 = "
http://www.taobao.com";//淘宝
String webUrl4 = "
http://www.ntsc.ac.cn";//中国科学院国家授时中心
String webUrl5 = "
http://www.360.cn";//360
String webUrl6 = "
http://www.beijing-time.org";//beijing-time
System.out.println(getWebsiteDatetime(webUrl1) + " [bjtime]");
System.out.println(getWebsiteDatetime(webUrl2) + " [百度]");
System.out.println(getWebsiteDatetime(webUrl3) + " [淘宝]");
System.out.println(getWebsiteDatetime(webUrl4) + " [中国科学院国家授时中心]");
System.out.println(getWebsiteDatetime(webUrl5) + " [360安全卫士]");
System.out.println(getWebsiteDatetime(webUrl6) + " [beijing-time]");
}
private static String getWebsiteDatetime(String webUrl){
try {
URL url = new URL(webUrl);// 取得资源对象
URLConnection uc = url.openConnection();// 生成连接对象
uc.connect();// 发出连接
long ld = uc.getDate();// 读取网站日期时间
Date date = new Date(ld);// 转换为标准时间对象
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);// 输出北京时间
return sdf.format(date);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}
自行测试把,
www.bjtime.cn已加密,无法获得有效时间。