<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body>
<%
Date d = new Date();
out.println (d.getHours());
if(d.getHours()>=0 && d.getHours()<=12)
out.print("上午好");
if(d.getHours()>12 && d.getHours()<=17)
out.print("中午好");
if(d.getHours()>17 && d.getHours()<=23)
out.print("晚上好");
%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body>
<%!double div(double x,double y)
{ return x%y;}
%>
<%
double x=2023;
double y=4;
if(div(x,y)==0)
out.print("是闰年");
else
out.print("不是闰年");
%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body>
<%
for(int x=1;x<=5;x++){
%> <%--循环5次输出直线 --%>
<hr width="<%=x*100%>px">
<br>
<%} %>
</body>
</html>
