Java 实例 - 查看主机指定文件的最后修改时间
Java 教程
· 2019-02-11 21:12:06
以下实例演示了如何查看主机指定文件的最后修改时间：
Main.java 文件
import java.net.URL;
import java.net.URLConnection;
import java.util.Date;
import java.text.SimpleDateFormat;
public class Main {
public static void main(String[] argv) throws Exception {
URL u = new URL("http://127.0.0.1/test/test.html");
URLConnection uc = u.openConnection();
SimpleDateFormat ft = new SimpleDateFormat ("yyyy-MM-dd hh:mm:ss");
uc.setUseCaches(false);
long timestamp = uc.getLastModified();
System.out.println("test.html 文件最后修改时间 :" + ft.format(new Date(timestamp)));
}
}
以上代码运行输出结果为：
test.html 文件最后修改时间 :2018-09-06 10:06:04
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