calculate.jsp
来自「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」· JSP 代码 · 共 30 行
JSP
30 行
<%@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; }%><html> <head> <title>计算结果</title> </head> <body> <% double data1=Double.parseDouble(request.getParameter("data1")); double data2=Double.parseDouble(request.getParameter("data2")); int type =Integer.parseInt(request.getParameter("type")); out.println(calculate(data1,data2,type)); %> </body></html>
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