JSP第一周作业

1.求1-100之间的偶数和？

<%@ 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>
    求1-100的偶数和?
    <hr>
    <br>
</body>

<%
    int a, sum = 0;
    for (a = 1; a <= 100; a++) {
        if (a % 2 == 0) {
            sum += a;
        }
    }
%>

1-100中间的偶数和是:
<%=sum%>
</html>

2.求1-100之间的素数之和=？

<%@ 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>
    求1-100的素数和?
    <hr>
    <br>
</body>

<%
    int i, j, sum = 0;
    for (i = 1; i <= 100; i++) {
        for (j = 2; j < i; j++) {
            if (i % j == 0) {
                break;
            }
        }
        if (j == i) {
            sum += i;
        }
    }
%>
1-100中间的素数和是:
<%=sum%>
</html>

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原文地址：https://www.cnblogs.com/liujiayi123/p/14475584.html