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12 스프링 타일즈3
# 스프링 Tiles
### 프로젝트 구조
스프링 타일즈 설정을 마친 최종 프로젝트 구조는 아래와 같음.
### 라이브러리 추가하기
타일즈 라이브러리를 추가 함. 근데 타일즈3는 스프링3.2 이상부터 적용 됨. 따라서 스프링 버전이 3.2 이상이 아니라면 버전업 할 것.(~~이거 때문에 삽질 개속함 ㅅㅂ..~~)
**pom.xml**
```xml
<!-- Tiles -->
<dependency>
<groupId>org.apache.tiles</groupId>
<artifactId>tiles-core</artifactId>
<version>3.0.7</version>
</dependency>
<dependency>
<groupId>org.apache.tiles</groupId>
<artifactId>tiles-jsp</artifactId>
<version>3.0.7</version>
</dependency>
```
### 뷰 리졸버 추가
타일즈3 방식 뷰 렌더링을 위해 아래와 같이 설정.
**servlet-context.xml**
```xml
<!-- Resolves views selected for rendering by @Controllers to .jsp resources
in the /WEB-INF/views directory -->
<beans:bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<beans:property name="prefix" value="/WEB-INF/views/" />
<beans:property name="suffix" value=".jsp" />
<beans:property name="order" value="2" />
</beans:bean>
<!-- Tiles 뷰 리졸버 -->
<beans:bean id="tielsViewResolver"
class="org.springframework.web.servlet.view.UrlBasedViewResolver">
<beans:property name="viewClass"
value="org.springframework.web.servlet.view.tiles3.TilesView" />
<beans:property name="order" value="1" />
</beans:bean>
<!-- Tiles 설정 파일 -->
<beans:bean id="tilesConfigurer"
class="org.springframework.web.servlet.view.tiles3.TilesConfigurer">
<beans:property name="definitions">
<beans:list>
<beans:value>/WEB-INF/tiles/tiles.xml</beans:value>
</beans:list>
</beans:property>
</beans:bean>
```
### Tiles 설정
타일즈 관련 설정파일을 생성.
**/WEB-INF/tiles/tiles.xml**
```xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE tiles-definitions PUBLIC
"-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
"http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
<tiles-definitions>
<definition name="classic" template="/WEB-INF/tiles/layouts/classic.jsp">
<put-attribute name="header" value="/WEB-INF/tiles/components/header.jsp" />
<put-attribute name="footer" value="/WEB-INF/tiles/components/footer.jsp" />
</definition>
<definition name="*/*" extends="classic">
<put-attribute name="content" value="/WEB-INF/views/{1}/{2}.jsp" />
</definition>
</tiles-definitions>
```
### 레이아웃 파일 생성
**/WEB_INF/tiles/layouts/classic.jsp**
```jsp
<%@ page pageEncoding="utf-8" session="false"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://tiles.apache.org/tags-tiles" prefix="tiles" %>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<c:url var="bootstrap" value="/css/bootstrap.min.css" />
<link href="${ bootstrap }" rel="stylesheet">
</head>
<body>
<tiles:insertAttribute name="header" />
<tiles:insertAttribute name="content" />
<tiles:insertAttribute name="footer" />
</body>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<Script src="https://code.jquery.com/jquery-3.4.1.slim.min.js"></Script>
<Script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js"></script>
<Script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></Script>
</html>
```
### 기타 파일 생성
**/WEB-INF/tiles/components/header.jsp**
```jsp
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://www.springframework.org/security/tags"
prefix="sec"%>
<%@ page pageEncoding="utf-8"%>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<c:url var="rootUrl" value="/" />
<a class="navbar-brand" href="${ rootUrl }">Yes24</a>
<button class="navbar-toggler" type="button" data-toggle="collapse"
data-target="#navbarSupportedContent"
aria-controls="navbarSupportedContent" aria-expanded="false"
aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<c:url var="booksUrl" value="/books" />
<li class="nav-item active"><a class="nav-link" href="${ booksUrl }">도서<span class="sr-only">(current)</span></a></li>
</ul>
</div>
</nav>
```
**/WEB-INF/tiles/components/footer.jsp**
```jsp
<div class="well">
FOOTER
</div>
```
### 홈컨트롤러 리턴값 변경
**HomeController.java**
```java
@Controller
public class HomeController {
@RequestMapping(value = "/", method = RequestMethod.GET)
public String home(Locale locale, Model model) {
Date date = new Date();
DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale);
String formattedDate = dateFormat.format(date);
model.addAttribute("serverTime", formattedDate);
// 기존 "home.jsp"에서 변경
// */* 형태로 페이지를 요청하였으므로,
// tiles.xml 설정에 의해 content로 전송 됨.
return "statics/home";
}
}
```
### 뷰 페이지 구조 및 내용 변경
**views/statics/home.jsp**
```jsp
<div class="jumbotron">
<h1>Hello world!</h1>
<p>The time on the server is ${serverTime}.</p>
</div>
```
### 동작 확인
브라우저에서 루트 페이지를 호출 함.
헤더와 푸터, 그리고 컨텐츠 내용이 잘 불러와 졌음. ㅅㄱ~~