JSP第一次作业(素数求和)

1,求1-100的素数和

<%@ page language="java" import="java.util.*" pageEncoding="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>My JSP 'index.jsp' starting page</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">
	-->
  </head>
  
  <body>
    <%
    int sum = 0; 
	for ( int i = 2; i < 101; i++ ) {
		int j; 
		for ( j = 2; j < i / 2; j++ ) { 
			if (i % j == 0)     
			break; 
			} if (i % j != 0 || i == j){
			  	sum += i;
			  	} 
			} 
	out.println (sum);
     %>
  </body>
</html>

  

posted @ 2021-03-03 14:56  于与雨  阅读(87)  评论(0编辑  收藏  举报