leson / boot

spring boot POC

boot

spring boot POC

init spring boot empty project with maven

• create 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>
    <groupId>com.test</groupId>
    <artifactId>BootDemo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.2.RELEASE</version>
    </parent>
    <!-- Additional lines to be added here... -->
</project>

• append web project dependency to pom.xml

<dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>

• list project dependency jars

mvn dependency:tree   

write programs with eclipse

• convert project as a eclipse project

mvn eclipse:eclipse

• import project via eclipse (...)

• convert project to maven project

  • [right click] projectName
  • configure
  • convert to maven project

• setup project properties

  • select project then press alt+enter to open project's properties
  • setup "Project Facets"

• eclipse will auto create "src/main/java" "src/test/java" "src/main/resourse"

• write program ...

@RestController
@EnableAutoConfiguration
public class MainCtrl {

    @RequestMapping("/")
    String test() {

        return "hello spring boot world";
    }

    public static void main(String[] args) {
        SpringApplication.run(MainCtrl.class, args);
    }

}

startup project

mvn spring-boot:run

test access link on local:http://localhost:8080/

build package ("executable jars" name "fat jars")

• need dependence plugin :"spring-boot-maven-plugin"

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

• build package

mvn clean package

• execute jar package

java -jar target/xxx.jar

reference links

cnblogs springboot step by step quick start spring boot