<%--
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User: Administrator
Date: 2022/9/16
Time: 10:22
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--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
计算求和
获取数据 -> 处理数据 -> 判断跳转不同页面
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);
if (sum >= 0){
%>
<%
}
else {
%>
<%
}
%>