JSP第三次作业
1.
<%@ page contentType="text/html"%> <%@ page pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <body bgcolor=pink> <embed src="english/english.mp3"autostart=false> 课文音频 </embed> </body> </html>
<%@ page contentType="text/html"%> <%@ page pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <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>
2.
<%@page contentType="text/html;charset=utf-8"%>
<html>
<body>
<%
double r=3,a=8,b=4,c=4;
%>
<br>加载circle.jsp计算半径为<%=r %>的圆的面积：
<jsp:include page="circle.jsp">
<jsp:param value="<%=r %>" name="sideR"/>
</jsp:include>
<p>---------------------------------------------------------------------</p>
<br>加载ladder.jsp计算上底、下底、高为<%=a %>,<%=b %>,<%=c %>的梯形面积
<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>
</html>
<%@page contentType="text/html;charset=utf-8"%>
<%! public String getArea(double r)
{
if(r>0)
{
double area=r*r*3.14;
return ""+area;
}
else{
return("半径为"+r+"不能为大于0以外的数字，无法计算面积");
}
}
%>
<%
String sideR=request.getParameter("sideR");
double r=Double.parseDouble(sideR);
%>
<br><br>我是被加载的文件，负责计算圆的面积<br>
给我传递的半径是：<%=r%>
<br>圆的面积是：<%=getArea(r) %>
<%@page contentType="text/html;charset=utf-8"%>
<%! 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("梯形的上底、下底、高"+a+" "+b+" "+c+"不能为大于0以外的数字，无法计算面积");
}
}
%>
<%
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);
%>
<br><br>我是被加载的文件，负责计算梯形的面积<br>
给我传递的上底、下底、高是：<%=sideA%> <%=sideB %> <%=sideC %>
<br>梯形的面积是：<%=getArea(a,b,c) %>
3.
<%@ 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>My JSP 'index1.jsp' starting page</title>
</head>
<body >
<table border="2" width="800" align="center" bgcolor="green">
<tr align="center"><td colspan="2"><%@include file="top.jsp" %></td></tr>
<tr align="center"><td><%@include file="left.jsp" %></td><td align="center"><%@include file="main.jsp" %></td></tr>
<tr align="center"><td colspan="2"><%@include file="end.jsp" %></td></tr>
</table>
</body>
</html>
4.
<%@ 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>My JSP 'index.jsp' starting page</title>
</head>
<body>
<%
String r=request.getParameter("i");
int x=Integer.parseInt(r);
out.print("随机数"+x); %>
Hello,我是奇数！！！
</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>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
<%
String r=request.getParameter("i");
int x=Integer.parseInt(r);
out.print("随机数"+x); %>
Hello,我是偶数！！！
</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>
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
<%
int i = (int) (Math.random() * 10 + 1);
if (i % 2 == 0) {
%>
<jsp:forward page="2.jsp">
<jsp:param value="<%=i %>" name="i" />
</jsp:forward>
<%
} else {
%>
<jsp:forward page="1.jsp">
<jsp:param value="<%=i %>" name="i" />
</jsp:forward>
<%
}
%>
</body>
</html>
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