formํƒœ๊ทธ์˜ input์—์„œ ๊ฐ™์€ name์„ ๊ฐ€์ง„ ํŒŒ๋ผ๋ฏธํ„ฐ๋ฅผ ๊ฐ€์ ธ์˜ค๋Š” ๋ฐฉ๋ฒ•

 

03sameNameForm.jsp ์ฝ”๋“œ๋‚ด์šฉ

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>

<form action="03sameNameResult.jsp" method="post">
	์ด๋ฆ„ : <input type="text" name="์ด๋ฆ„"> <br>
	์ฃผ์†Œ : <input type="text" name="add"> <br>
	<hr>
	์ทจ๋ฏธ <br>
	์šด๋™ <input type="checkbox" name="hobby" value="exercise"> <br>
	์˜ํ™” <input type="checkbox" name="hobby" value="movie"> <br>
	๋ณผ๋ง <input type="checkbox" name="hobby" value="bowling"> <br>
	์ถ•๊ตฌ <input type="checkbox" name="hobby" value="soccer"> <br>
	
	<button type=submit>์„ค๋ฌธ์กฐ์‚ฌ</button>
</form>

</body>
</html>

checkbox๊ฐ™์€ ๊ฒฝ์šฐ์—๋Š” ๊ฐ™์€ name์„ ์‚ฌ์šฉํ•ด์„œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐ›์•„์•ผ ํ•œ๋‹ค. ๊ทธ ๊ฒฝ์šฐ ํŒŒ๋ผ๋ฏธํ„ฐ์˜ ์ด๋ฆ„์ด ๊ฐ™์€ ๊ฒŒ ์—ฌ๋Ÿฌ๊ฐœ ๋ฐœ์ƒ๋˜๋Š” ๋ฐ

Map์„ ์ด์šฉํ•œ for๋ฌธ์„ ํ†ตํ•ด ๋ณด์—ฌ์ค„ ์ˆ˜ ์žˆ๋‹ค.

 

 

03sameNameResult.jsp ์ฝ”๋“œ๋‚ด์šฉ

<%@page import="java.util.Map"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
	request.setCharacterEncoding("utf-8");
%>

<%
	String name = request.getParameter("์ด๋ฆ„");
	String address = request.getParameter("add");
	String hobby = request.getParameter("hobby");
	//์ทจ๋ฏธ , ํŒŒ๋ผ๋ฏธํ„ฐ ์ด๋ฆ„์ด ๊ฐ™์€ ๊ฒŒ ์—ฌ๋Ÿฌ๊ฐœ
	Map<String, String[]> paramMap = request.getParameterMap();
	String[] hobbies = paramMap.get("hobby");
	String[] hobbies2 = request.getParameterValues("hobby");
%>

์ด๋ฆ„ : <%=name %> <br>
์ฃผ์†Œ : <%=address %> <br>
<%-- ์ทจ๋ฏธ(map) : <%=hobbies %> <br>
์ทจ๋ฏธ(values) : <%=hobbies2 %> <br>
๊ฐ์ฒด ์ฃผ์†Œ๊ฐ’๋งŒ ๋‚˜์˜ด
--%>

<%
	for(int i=0; i<hobbies.length; i++){
		out.print(hobbies[i]);
	}
	out.print("<hr>");
	for(String hobby1 : hobbies2){
		out.print(hobby1 + "<br>");
	}
%>
</body>
</html>

 

 

์œ„์™€ ๊ฐ™์€ ๋‚ด์šฉ์ด์ง€๋งŒ Enumeration๊ณผ Map์„ ํ™œ์šฉํ•œ ๋ฐฉ์‹ ๋‘ ๊ฐ€์ง€ ์˜ˆ์‹œ์ด๋‹ค.

 

 

04sameNameForm.jsp ์ฝ”๋“œ๋‚ด์šฉ

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>

<form action="04sameNameResult.jsp" method="post">
	์ด๋ฆ„ : <input type="text" name="์ด๋ฆ„"> <br>
	์ฃผ์†Œ : <input type="text" name="add"> <br>
	<hr>
	์ทจ๋ฏธ <br>
	์šด๋™ <input type="checkbox" name="hobby" value="exercise"> <br>
	์˜ํ™” <input type="checkbox" name="hobby" value="movie"> <br>
	๋ณผ๋ง <input type="checkbox" name="hobby" value="bowling"> <br>
	์ถ•๊ตฌ <input type="checkbox" name="hobby" value="soccer"> <br>
	
	<button type=submit>์„ค๋ฌธ์กฐ์‚ฌ</button>
</form>

</body>
</html>

 

04sameNameResult.jsp ์ฝ”๋“œ๋‚ด์šฉ

<%@page import="java.util.Iterator"%>
<%@page import="java.util.Set"%>
<%@page import="java.util.Map"%>
<%@page import="java.util.Enumeration"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<% request.setCharacterEncoding("utf-8"); %>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
	Enumeration<String> paramEnum = request.getParameterNames();

	while(paramEnum.hasMoreElements()){
		String paramName = paramEnum.nextElement();
		String[] paramValues = request.getParameterValues(paramName);
		for(String paramVal : paramValues){
			out.print(paramName + ":" + paramVal + "<br>");
		}
		out.print("<hr>");
	}
	//////////////////////////////////////////////////////////////////////////////////////////////////
	Map <String, String[]> paramMap = request.getParameterMap(); // ์ด๋ฆ„:[๊ฐ’1], add:[๊ฐ’2], hobby : [๊ฐ’1, ๊ฐ’2, ๊ฐ’...]		
	Iterator<String> iter = paramMap.keySet().iterator();
	while(iter.hasNext()){
		String key = iter.next();
		String[] values = paramMap.get(key);
		for(String paramVal : values){
			out.print(key + ":" + paramVal + "<br>");		
		}
	}
	
	out.print("<hr>");
%>
</body>
</html>
์ €์ž‘์žํ‘œ์‹œ

'๐Ÿ“† Today I Learned(๊ฐœ๋ฐœ์–ธ์–ดํ•™์Šต) > JSP' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

Day03(application)  (0) 2021.10.06
Day03(pageContext)  (0) 2021.10.06
Day03(buffer, flush)  (0) 2021.10.06
Day03(JSP ํŽ˜์ด์ง€์˜ ๊ตฌ์„ฑ์š”์†Œ)๋””๋ ‰ํ‹ฐ๋ธŒ(Directive)  (0) 2021.10.06
Day02(ํ…Œ์ด๋ธ”์•ˆ์— ๊ตฌ๊ตฌ๋‹จ ๋งŒ๋“ค๊ธฐ !)  (0) 2021.10.05

ํ‹ฐ์Šคํ† ๋ฆฌํˆด๋ฐ”