<%-- Created by IntelliJ IDEA. User: Administrator Date: 2022/9/16 Time: 10:22 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> 获取数据 -> 处理数据 -> 存储数据 -> 跳转不同页面
结果: <% String data1 = request.getParameter("data1"); String data2 = request.getParameter("data2"); double num1 = Double.parseDouble(data1);//方法1 double num2 = Double.valueOf(data2); //方法2 double sum = num1 + num2; out.print(sum); request.setAttribute("num1",num1); request.setAttribute("num2",num2); request.setAttribute("sum",sum); %>