JSP判断闰年

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>

     

 

posted @ 2017-12-10 21:51  缘琪梦  阅读(1645)  评论(0编辑  收藏  举报