Come creare una semplice applicazione web per avvicinarsi a Spring Boot.
Ingredienti: maven, java 1.8, eclipse.
Per avviare lanciare il comando:
mvn package && java -jar target/simple_service-0.0.1-SNAPSHOT.jar
pom.xml
<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>
<groupId>it.gsoftware.service</groupId>
<artifactId>simple_service</artifactId>
<version>0.0.1-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.2.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<!-- Package as an executable jar/war -->
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
Controller
@RestController
public class WelcomeController {
@RequestMapping("/")
public String index() {
return "Welcome to www.javajob.it!";
}
}
@SpringBootApplication
@ComponentScan(basePackages = "it.gsoftware.simple_service.controllers")
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}