摘要：
˂!
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
//九九乘法表
String str="";
for(int i=1;i <= 9;i++)
{
for(int j=1;j<=i;j++)
{
str+=j+"*"+i+"="+j*i+" ";
//str+=" ";
}
str+="<br>"; //换行
}
%>
<%= str %>
<%
//三角形
String sj="";
for(int i=1;i<=5;i++)
{
for(int j=1;j<=i;j++)
{
sj+="*";
sj+=" ";
}
sj+="<br>"; //换行
}
%>
<%= sj %>
<%
//菱形
String a = "";
for(int i =1;i<=5;i++)
{
for(int j=1;j<=4+i;j++)
{
if(j<=5-i)
{
a+="  ";
}
else
{
a+="*";
}
}
a+="<br>";
}
%>
<%=a %>
<%
String b = "";
for(int k =1;k<=5;k++)
{
for(int s=1;s<=9-k;s++)
{
if(s<=k)
{
b+="  ";
}
else
{
b+="*";
}
}
b+="<br>";
}
%>
<%=b %>
</body> </html>
