1 <%@ page import="java.util.Date" %><% Date date; %><%--
2 Created by IntelliJ IDEA.
3 User: 11512
4 Date: 2022/3/5
5 Time: 15:52
6 To change this template use File | Settings | File Templates.
7 --%>
8 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
9
10 <head>
11 <title>$Title$</title>
12 </head>
13 <body>
14 <%
15 Date date1 = new Date();/* 获取方法 */
16 int hour = date1.getHours();
17 int minute = date1.getMinutes();
18 int second = date1.getSeconds();
19 out.print("当前时间：" + hour + ":" + minute + ":" + second + "<br>");//获取时间
20 if (hour >= 0 && hour <= 12) {
21 out.print("早上好");
22
23 } else if (hour >= 13 && hour <= 17) {
24
25 out.print("中午好");
26 } else if (hour >= 18 && hour <= 23) {
27 out.print("晚上好");
28 }
29 %>
30 </body>
31 </html>
1 <%@ page import="java.util.Date" %><% Date date; %><%--
2 Created by IntelliJ IDEA.
3 User: 11512
4 Date: 2022/3/5
5 Time: 15:52
6 To change this template use File | Settings | File Templates.
7 --%>
8 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
9 <!-- 判断润年 -->
10 <head>
11 <title>$Title$</title>
12 </head>
13 <body>
14 <%int year=2023;%>
15 <%if(year%400==0||year%4==0&&year%100!=0){%>
16 <h2>是闰年</h2>
17 <%}else{%>
18 <h2>不是闰年</h2>
19 <%}%>
20 </body>
21 </html>
1 <%@ page import="java.util.Date" %><% Date date; %><%--
2 Created by IntelliJ IDEA.
3 User: 11512
4 Date: 2022/3/5
5 Time: 15:52
6 To change this template use File | Settings | File Templates.
7 --%>
8 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
9
10 <head>
11 <title>$Title$</title>
12 </head>
13 <body>
14 <%-- 循环输出--%>
15 <%int i = 100;%>
16 <%for (i = 100; i <= 500; i+=100) {%>
17 <hr width="<%=i%>px">
18 <%
19 }
20 %>
21 </body>
22 </html>
