1. 프로젝트 생성
프로젝트를 생성합니다.
2. 메이븐
spring-boot-starter-web
및 spring-boot-starter-thymeleaf
먼저 두가지 의존성을 넣습니다.
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>web-thymeleaf</artifactId>
<packaging>jar</packaging>
<name>Spring Boot Web Thymeleaf Example</name>
<description>Spring Boot Web Thymeleaf Example</description>
<version>1.0</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.2.RELEASE</version>
</parent>
<properties>
<java.version>1.8</java.version>
<bootstrap.version>4.2.1</bootstrap.version>
</properties>
<dependencies>
<!-- web mvc -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- thymeleaf -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!-- test -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- hot swapping, disable cache for template, enable live reload -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
<!-- Optional, for bootstrap -->
<dependency>
<groupId>org.webjars</groupId>
<artifactId>bootstrap</artifactId>
<version>${bootstrap.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<!-- Package as an executable jar/war -->
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<addResources>true</addResources>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.0</version>
</plugin>
</plugins>
</build>
</project>
3. Developer Tools
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
이렇게 spring-boot-devtools
하면 캐시를 비활성화하고 핫 스와핑을 활성화하여 개발자가 항상 새로고침없이 HTML에 마지막 변경 사항을 볼 수 있습니다. 개발에 좋습니다. 이것을 읽으십시오 – Spring Boot – 개발자 도구 Thymeleaf 템플릿 또는 속성 파일을 수정하고 브라우저를 새로 고침하여 변경 사항이 즉시 적용되는지 확인하십시오.
Eclipse IDE의 경우와 잘 통합되어
spring-boot-devtools
있습니다.
Intellij IDEA의 경우 추가 단계가 필요합니다.이 다시로드 정적 파일이 작동하지 않음을 읽으십시오
4. 스프링 부트 + MVC
4.1 간단한 컨트롤러.
WelcomeController.java
package com.mkyong.controller;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import java.util.Arrays;
import java.util.List;
@Controller
public class WelcomeController {
// inject via application.properties
@Value("${welcome.message}")
private String message;
private List<String> tasks = Arrays.asList("a", "b", "c", "d", "e", "f", "g");
@GetMapping("/")
public String main(Model model) {
model.addAttribute("message", message);
model.addAttribute("tasks", tasks);
return "welcome"; //view
}
// /hello?name=kotlin
@GetMapping("/hello")
public String mainWithParam(
@RequestParam(name = "name", required = false, defaultValue = "")
String name, Model model) {
model.addAttribute("message", name);
return "welcome"; //view
}
}
4.2 클래스를 만들고로 주석을 답니다 @SpringBootApplication
. IDE에서이 클래스를 실행하여 전체 웹 애플리케이션을 시작하십시오.
StartWebApplication.java
package com.mkyong;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class StartWebApplication {
public static void main(String[] args) {
SpringApplication.run(StartWebApplication.class, args);
}
}
부
5. Thymeleaf + static file
참고 스프링 맵핑 서비스 정적 컨텐츠 제공 을읽고 자원 맵핑을 이해하십시오.
5.1 Thymeleaf 템플릿 파일의 경우 src/main/resources/templates/
src / main / resources / templates / welcome.html
<!DOCTYPE HTML>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>Spring Boot Thymeleaf Hello World Example</title>
<link rel="stylesheet" th:href="@{webjars/bootstrap/4.2.1/css/bootstrap.min.css}"/>
<link rel="stylesheet" th:href="@{/css/main.css}"/>
</head>
<body>
<nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
<a class="navbar-brand" href="#">Mkyong.com</a>
</nav>
<main role="main" class="container">
<div class="starter-template">
<h1>Spring Boot Web Thymeleaf Example</h1>
<h2>
<span th:text="'Hello, ' + ${message}"></span>
</h2>
</div>
<ol>
<li th:each="task : ${tasks}" th:text="${task}"></li>
</ol>
</main>
<!-- /.container -->
<script type="text/javascript" th:src="@{webjars/bootstrap/4.2.1/js/bootstrap.min.js}"></script>
</body>
</html>
5.2 스프링 부트 공통 애플리케이션 속성
src / main / resources / application.properties
welcome.message: Mkyong
spring.thymeleaf.cache=false
5.3 CSS 또는 JS와 같은 정적 파일의 경우 src/main/resources/static/
src / main / resources / static / css / main.css
body {
padding-top: 5rem;
}
.starter-template {
padding: 3rem 1.5rem;
text-align: center;
}
h1{
color:#0000FF;
}
h2{
color:#FF0000;
}
6. 단위 테스트
MockMvc
Spring MVC 컨트롤러를 테스트합니다.
WelcomeControllerTest.java
package com.mkyong;
import com.mkyong.controller.WelcomeController;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.test.web.servlet.ResultActions;
import org.springframework.web.servlet.ModelAndView;
import java.util.Arrays;
import java.util.List;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
@RunWith(SpringRunner.class)
@WebMvcTest(controllers = WelcomeController.class)
public class WelcomeControllerTest {
@Autowired
private MockMvc mockMvc;
List<String> expectedList = Arrays.asList("a", "b", "c", "d", "e", "f", "g");
@Test
public void main() throws Exception {
ResultActions resultActions = mockMvc.perform(get("/"))
.andExpect(status().isOk())
.andExpect(view().name("welcome"))
.andExpect(model().attribute("message", equalTo("Mkyong")))
.andExpect(model().attribute("tasks", is(expectedList)))
.andExpect(content().string(containsString("Hello, Mkyong")));
MvcResult mvcResult = resultActions.andReturn();
ModelAndView mv = mvcResult.getModelAndView();
//
}
// Get request with Param
@Test
public void hello() throws Exception {
mockMvc.perform(get("/hello").param("name", "I Love Kotlin!"))
.andExpect(status().isOk())
.andExpect(view().name("welcome"))
.andExpect(model().attribute("message", equalTo("I Love Kotlin!")))
.andExpect(content().string(containsString("Hello, I Love Kotlin!")));
}
}
7. 데모
$ mvn spring-boot:run
: Tomcat initialized with port(s): 8080 (http)
: Starting service [Tomcat]
: Starting Servlet engine: [Apache Tomcat/9.0.14]
: Tomcat started on port(s): 8080 (http) with context path ''
Started StartWebApplication in 1.858 seconds (JVM running for 2.222)
URL = http://localhost:8080
URL = http://localhost:8080/hello?name=abc
8. 실행 가능한 JAR 작성
배포를 위해 일반 Maven 패키지만으로 실행 가능한 JAR 파일을 만듭니다.
$ mvn clean package
$ java -jar target\web-thymeleaf-1.0.jar
소스 코드 다운로드
$ clone https://github.com/mkyong/spring-boot.git
$ cd web-thymeleaf$ mvn spring-boot : run
참고
https://mkyong.com/spring-boot/spring-boot-hello-world-example-thymeleaf/
'Spring' 카테고리의 다른 글
스프링 부트 @Async 비동기 예제 (0) | 2020.06.16 |
---|---|
spring boot custom properties만들기 (0) | 2020.06.16 |
RestTemplate을 통해 파일 업로드하기 (0) | 2020.06.15 |
RestTemplate Interceptor활용하기 (0) | 2020.06.15 |
ErrorHandling 을 통한 RestTemplate 공통 에러처리 (1) | 2020.06.14 |