calculate.jsp

4种方法实现JSP计算器,通过该文件你可以学到jsp 实现计算器不同的方法

<%@page language="java" contentType="text/html;charset=gb2312"%>

<%@ page info="a hello world example" %>

<%! 
   
String calculate(double data1,double data2,int type)
   
{
       
String result="";
       
double t;
       
switch(type)
       
{
           
case 1:result=data1+"+"+data2+"="+(data1+data2);break;
           
case 2:result=data1+"-"+data2+"="+(data1-data2);break;
          
case 3:result=data1+"*"+data2+"="+(data1*data2);break;
           default:result=data1+"/"+data2+"="+(data1/data2);break;
       
}
       
return result;
   
}

%>