闰年条件：
- 能被4整除但不能被100整除
- 能被400整除
<%@ page language="java" import="java.util.*" contentType="text/html;charset=utf-8" %><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> ?<head> ???<base href="<%=basePath%>"> ???????<title>判断闰年</title> ???????<meta http-equiv="pragma" content="no-cache"> ???<meta http-equiv="cache-control" content="no-cache"> ???<meta http-equiv="expires" content="0"> ???????<meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> ???<meta http-equiv="description" content="This is my page"> ???<!-- ???<link rel="stylesheet" type="text/css" href="styles.css"> ???--> ???<%! ????int getNumForYear(int byear,int eyear){ ???int num=0;//闰年数量 ???????for(int i=byear;i<=eyear;i++){ ???????????//能被4整除但不能被100整除；能被400整除 ???????????if((i%4==0&&i%100!=0)||i%400==0){ ???????????????num++; ???????????} ???????} ???????return num; ???} ????%> ?</head> ???<body> ???<%=getNumForYear(2000,2018) %> ?</body></html>
JSP判断闰年
原文地址：http://www.cnblogs.com/Yimi/p/8018326.html