이용한 요소
- html header, body, footer 등 file include
- DecimalFormat 클래스 이용
- String 타입을 long 타입으로 변환
+) try catch 를 이용한 방어적 코드도 작성해보기
더보기
더보기
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<header>
<h1>인치 변환기</h1>
<div class="h_util">
<a href="form_page.jsp">홈</a>
<a href="">로그인</a>
</div>
</header>더보기
더보기
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ include file = "header.jsp" %>
<section>
<div>
<p>cm를 인치로 변환</p>
<form action="result.jsp">
<label for="cm">cm:</label>
<input type="number" id="cm" name="cm" required="required">
<button type="submit">변환</button>
</form>
</div>
</section>더보기
더보기
<%@page import="java.math.BigDecimal"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.text.DecimalFormat"%>
<%@page import="javax.swing.text.NumberFormatter"%>
<%@ include file = "header.jsp" %>
<section class="section2">
<div>
<p>변환 결과</p>
<p> <% long cm = (Long.parseLong(request.getParameter("cm")));
double inch = 0.393701;
double result = cm*inch;
DecimalFormat df = new DecimalFormat("###,###,###.##");
String format = df.format(result);
out.println(cm+"cm의 인치는 "+format+"입니다.");
%></p>
</div>
</section>더보기
더보기
@charset "utf-8";
*{
padding: 0;
margin: 0;
}
body{
background-color: #eee;
}
header{
background-color: #000;
display: flex;
justify-content: space-between;
height: 8vh;
padding: 10px 5px 0;
box-sizing: border-box;
}
h1{
color: #fff;
font-size: 24px;
}
.h_util{
display: flex;
padding-top: 8px;
}
.h_util a{
display: block;
text-decoration: none;
color: #fff;
margin-left: 10px;
}
section{
display: flex;
height: 100vh;
flex-wrap: wrap;
justify-content: center;
align-items: center;
}
section div{
background-color: #fff;
width: 300px;
text-align: center;
padding: 20px;
border-radius: 10px;
}
.section2 div{
width:500px;
}
p{
font-size:24px;
font-weight: bold;
margin-bottom: 20px;
}
form{
display: flex;
flex-direction: column;
}
label{
text-align: left;
}
input{
margin: 3px 0 15px;
}
button{
display:block;
width: 100%;
border: none;
padding: 5px 0;
border-radius: 10px;
font-weight: bold;
}
button:hover{
color: #fff;
background-color: #333;
}실행결과
'Java > 시나리오 코드' 카테고리의 다른 글
| 파일전송 (0) | 2024.08.01 |
|---|---|
| JSP 세션 무효화 (0) | 2024.07.07 |
| JSP 구구단 (0) | 2024.07.07 |
| JSP 폼으로 결과 값 여러 개 받기 (0) | 2024.07.04 |
| 연습 - 로또 게임 (0) | 2024.04.19 |
