스프링 MVC Model을 통해 컨트롤러에서 뷰에 데이터 전달하기
DTO
package spring;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.ToString;
@Data
@Setter
@AllArgsConstructor
@NoArgsConstructor
@ToString
public class MemberRegistRequest {
private String[] favoriteOs;
public String[] getFavoriteOs() {
return favoriteOs;
}
}
Controller
@GetMapping("/regos")
public String regos1(Model model) {
model.addAttribute("osList", Arrays.asList("윈도우10", "윈도우11", "맥OS", "리눅스"));
model.addAttribute("memberRegisterRequest", new MemberRegistRequest());
return "regosForm";
}
@PostMapping("/regos")
public String regos2(@ModelAttribute("memberRegisterRequest") MemberRegistRequest mrrRequest) {
log.info("-----------" + mrrRequest);
return "regosResult";
}
JSP ( 입력 Form )
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h2><spring:message code="member.register"></spring:message></h2>
<form:form cssStyle="color : red" method="post" modelAttribute="memberRegisterRequest">
<p>
운영체제 선택:<br/>
<label><form:checkboxes items="${osList}" path="favoriteOs" /></label>
</p>
<input type="submit">
</form:form>
</body>
</html>
JSP ( 결과 )
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>선택한 운영체제</title>
</head>
<body>
<h2>선택한 운영체제</h2>
<p>선택한 운영체제 목록:</p>
<ul>
<c:forEach items="${memberRegisterRequest.favoriteOs}" var="os">
<li>${os}</li>
</c:forEach>
</ul>
<a href="<c:url value="/regos" />">돌아가기</a>
</body>
</html>
