2021-11-11

1.inputNumber.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>



        

            

            
            
        
    

computerAndShow.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>


 

<%! 
	public double square(double n){
		return n*n;
}
	public double cube(double n){
		return n*n*n;
	}
%>
 <%
String s=request.getParameter("cat");
try{
	double n = Double.parseDouble(s);
	out.print(n+"的平方是"+square(n)+"
");
	out.print(n+"的立方是"+cube(n)+"
");
}
catch(Exception e){
	%><%
}
%>
 
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