jsp动态显示当前时间

<%@ page import="java.io.*" %>
<%@ page import="java.text.SimpleDateFormat" %>
<%@ page import="java.util.Date" %>
<%@ page import="java.sql.Timestamp" %>
<%@ page import="java.util.Calendar" %>
<%@ page import="java.util.GregorianCalendar" %><%--
  Created by IntelliJ IDEA.
  User: Robert_Wang
  Date: 2018/8/17
  Time: 19:33
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Login</title>
</head>
<script language=JavaScript>
    var timerID = null;
    var timerRunning = false;
    function showtime() {
        var now = new Date();
        document.clock.thetime.value = now.toString();
        timerID = setTimeout("showtime()", 1000);
        timerRunning = true;
    }
</script>
<body onload="showtime()">
<form name=clock >
    <input name=thetime style="font-size: 9pt;color:#000000;border:0" size=100>
</form>
</body>

</html>

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转载自blog.csdn.net/qq_40883132/article/details/81809201