Introduction - If you have any usage issues, please Google them yourself
< @ page contentType="text/html charset=gb2312" >
< @ page import="bean.Computer" >
< @ page import="java.io.*" >
<
double num1=0,num2=0
try{
num1=Double.parseDouble(request.getParameter("num1"))
num2=Double.parseDouble(request.getParameter("num2"))
}catch(Exception e)
{
}
>
<body>
<jsp:useBean class="bean.Computer" id="computer" scope="session"/>
<jsp:setProperty name="computer" property="*"/>
长为:<jsp:getProperty name="computer" property="num1"/>
<BR>
宽为:<jsp:getProperty name="computer" property="num2"/>
<BR>
长方形的面积为:<jsp:getProperty name="computer" property="area"/>
</body>
</html>