스프링 코딩 공작소: 12.2.4 실습 MessageSource를 이용하여 다국어 처리하기

3. 메시지 리소스 파일에 설정된 메시지를 도서 등록 페이지의 폼 필드 이름에 출력하려면 뷰 페이지 addBook.jsp 파일의 <spring:message> 태그를 수정·작성해야 합니다.

코드 12-4 addBook.jsp

<%@ page contentType="text/html; charset=utf-8" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %> ➊

<html>
<head>
<link href="<c:url value="/resources/css/bootstrap.min.css"/>" rel="stylesheet">
<title>도서 등록</title>
</head>

<body>
<nav class="navbar navbar-expand navbar-dark bg-dark">
    <div class="container">
        <div class="navbar-header">
            <a class="navbar-brand" href="./home">Home</a>
        </div>
    </div>
</nav>

<div class="jumbotron">
    <div class="container">
        <h1 class="display-3">
            <spring:message code="addBook.form.title.label"/> ➋
        </h1>
    </div>
</div>

<div class="container">
    <div class="float-right">
        <form:form action="${pageContext.request.contextPath}/logout" method="POST">
            <input type="submit" class="btn btn-success" value="Logout"/>
        </form:form>
    </div>

    <form:form modelAttribute="NewBook"
               action="./add?${_csrf.parameterName}=${_csrf.token}"
               class="form-horizontal"
               enctype="multipart/form-data">
    <fieldset>
        <legend><spring:message code="addBook.form.subtitle.label"/></legend> ➋
            <div class="form-group row">
                <label class="col-sm-2 control-label">
                    <spring:message code="addBook.form.bookId.label"/> ➋
                </label>
                <div class="col-sm-3">
                    <form:input path="bookId" class="form-control"/> 
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label" >
                    <spring:message code="addBook.form.name.label"/> ➋
                </label>
                <div class="col-sm-3">
                    <form:input path="name" class="form-control"/>
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label" >
                    <spring:message code="addBook.form.unitPrice.label"/> ➋
                </label>
                <div class="col-sm-3">
                    <form:input path="unitPrice" class="form-control"/>
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label" >
                    <spring:message code="addBook.form.author.label"/> ➋
                </label>
                <div class="col-sm-3">
                    <form:input path="author" class="form-control"/>
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label">
                    <spring:message code="addBook.form.description.label"/> ➋
                </label>
                <div class="col-sm-5">
                    <form:textarea path="description" cols="50" rows="2" 
class="form-control"/>
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label">
                    <spring:message code="addBook.form.publisher.label"/> ➋
                </label>
                <div class="col-sm-3">
                    <form:input path="publisher" class="form-control"/>
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label">
                    <spring:message code="addBook.form.category.label"/> ➋
                </label>
                <div class="col-sm-3">
                    <form:input path="category" class="form-control"/>
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label">
                    <spring:message code="addBook.form.unitsInStock.label"/> ➋
                </label>
                <div class="col-sm-3">
                    <form:input path="unitsInStock" class="form-control"/> 
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label">
                    <spring:message code="addBook.form.releaseDate.label"/> ➋
                </label>
                <div class="col-sm-3">
                    <form:input path="releaseDate" class="form-control"/>
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label">
                    <spring:message code="addBook.form.condition.label"/> ➋
                </label>
                <div class="col-sm-3">
                    <form:radiobutton path="condition" value="New"/>New
                    <form:radiobutton path="condition" value="Old"/>Old
                    <form:radiobutton path="condition" value="E-Book"/>E-Book
                </div>
            </div>

            <div class="form-group row">
                <label class="col-sm-2 control-label">
                    <spring:message code="addBook.form.bookImage.label"/> ➋
                </label>
                <div class="col-sm-7">
                    <form:input path="bookImage" type="file" class="form-control"/>
                </div>
            </div>

            <div class="form-group row">
                <div class="col-sm-offset-2 col-sm-10">
                    <input type="submit" class="btn btn-primary" 
                        value ="<spring:message code="addBook.form.button.label"/> "/> ➋
                </div>
            </div>
        </fieldset>
    </form:form>

    <hr>
    <footer>
        <p>&copy; BookMarket</p>
    </footer>
</div>
</body>
</html>

➊ <spring:message> 태그를 사용하려고 스프링 태그 라이브러리를 선언합니다.

➋ <spring:message> 태그로 메시지 리소스 파일 messages.properties에서 폼 필드에 해당하는 값의 메시지를 읽어 와 출력합니다.

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