<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>number</title>
</head>
<body>
<c:forEach var="i" begin="2" end="100">
<c:set var="flag" value="0"></c:set>
<c:forEach var="j" begin="2" end="${i}">
<c:if test = "${i % j == 0&&i != j}">
<c:set var="flag" value="1"></c:set>
</c:if>
</c:forEach>
<c:if test="${flag == 0 }">
<c:out value="${i}"></c:out>
</c:if>
</c:forEach>
</body>
</html>
来源：CSDN
作者：隔壁郑同学
链接：https://blog.csdn.net/weixin_44517301/article/details/103608306