<%-- Created by IntelliJ IDEA. User: 武恒 Date: 2023/2/18 Time: 15:17 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> EL表达式

运算符

<% int n = 100; int s = 10; request.setAttribute("n", n); request.setAttribute("s", s); %>

加法 ${ n + s }

减法 ${ n - s }

成法 ${ n * s }

除法 ${ n / s }

取模 ${ n % s }

运算符

比较运算 == ${ n == s }

比较运算 != ${ n != s }

大于 > ${ n > s }

小于 < ${ s < n }

三元运算符 ${ s < n ? "S 小于 n" : "s 大于 n" }

判空运算符 empty ${ empty s }