第三次
作者：互联网
任务一、教材P39实验3
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
<head>
</head>
<body bgcolor=blue>
<embed src="english/english.mp3" autostart = false>
课文音频
</embed>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
<head>
</head>
<body bgcolor = cyan>
<br>英文课文(English Text):</br>
<p style="font-family:宋体;font-size:18;color:black">
<jsp:include page="english/english.txt"/>
<br>课文音频(English Audio):</br>
<jsp:include page="audio.jsp"/>
</p>
</body>
</html>
任务二、教材P45 8题
<body>
<%
double r=3,a=2,b=5,c=2;
%>
<jsp:include page="circle.jsp">
<jsp:param value="<%=r %>" name="sideR"/>
</jsp:include>
<p>-----------------------------</p>
<jsp:include page="ladder.jsp">
<jsp:param value="<%=a %>" name="sideA"/>
<jsp:param value="<%=b %>" name="sideB"/>
<jsp:param value="<%=c %>" name="sideC"/>
</jsp:include>
</body>
<body>
<%
String sideR=request.getParameter("sideR");
double r=Double.parseDouble(sideR);
%>
<%! public String getArea(double r)
{
if(r>0)
{
double area=r*r*3.14;
return ""+area;
}
else{
return("半径小于0，不能计算");
}
}
%>
半径是：<%=r%>
<br>圆的面积是：<%=getArea(r) %>
</body>
<body>
<%
String sideA=request.getParameter("sideA");
String sideB=request.getParameter("sideB");
String sideC=request.getParameter("sideC");
double a=Double.parseDouble(sideA);
double b=Double.parseDouble(sideB);
double c=Double.parseDouble(sideC);
%>
<%! public String getArea(double a,double b,double c)
{
if(a>0&&b>0&&c>0)
{
double area=(a+b)*c/2;
return ""+area;
}
else{
return("长宽高输入错误");
}
}
%>
上底：<%=sideA%> 下底：<%=sideB %>高是：<%=sideC %>
<br>梯形的面积是：<%=getArea(a,b,c) %>
</body>
任务三
<%@ 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>
<base href="<%=basePath%>">
<title>starting page</title>
</head>
<body >
<table border="1" width="600" align="center" bgcolor="pink">
<tr align="center"><td colspan="2"bgcolor="orange"><%@include file="above.jsp" %></td></tr>
<tr align="center"><td bgcolor="pink"><%@include file="left.jsp" %></td><td align="center"bgcolor="red"><%@include file="right.jsp" %></td></tr>
<tr align="center"><td colspan="2"><%@include file="underneath.jsp" %></td></tr>
</table>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%="top.jsp"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%="left.jsp"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%="underneath.jsp"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%="right.jsp"%>
任务四、
<%@ 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>
<%
String s=request.getParameter("number");
int a=Integer.parseInt(s);
out.println("随机数是"+a);
%>
<h1>Hello,我是一个偶数！</h1>
</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>
<%
String s=request.getParameter("number");
int a=Integer.parseInt(s);
out.println("随机数是"+a);
%>
<h1>Hello,我是一个奇数！</h1>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
<head>
<title>index</title>
</head>
<body>
<h1>产生一个0到10的随机整数</h1>
<%
int i= (int)Math.round(Math.random()*10);
if(i%2==0){
%>
<jsp:forward page="even.jsp">
<jsp:param value="<%=i %>" name="number"/>
</jsp:forward>
<%
}else{
%>
<jsp:forward page="oddNumber.jsp">
<jsp:param value="<%=i %>" name="number"/>
</jsp:forward>
<%
}
%>
</body>
</html>
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标签：return,第三次,area,number,name,else,课文 来源： https://www.cnblogs.com/leopard1/p/16091488.html