spring-boot - 有没有办法用 SpringBoot 启动 FXGL？

标签 spring-boot javafx fxgl

我需要使用 springboot 启动带有 fxgl 动画的应用程序才能利用它的功能。

我真的不知道该怎么做。

我尝试将初始化放入 GameApplication 继承者的不同 init() 方法中。

我尝试过这样的:

    @Override
    protected void onPreInit() {
        context = SpringApplication.run(getClass(), savedArgs);
        context.getAutowireCapableBeanFactory().autowireBean(this);
        super.onPreInit();
    }

或者尝试模仿网络版本:

public class App extends Application {
    private ConfigurableApplicationContext applicationContext;

    @Override
    public void init() {
        String[] args = getParameters().getRaw().toArray(new String[0]);
        this.applicationContext = new SpringApplicationBuilder()
                .sources(DiplomaBaseApplication.class)
                .run(args);
    }

    @Override
    public void stop() {
        this.applicationContext.close();
        Platform.exit();
    }

    @Override
    public void start(Stage stage) {
        GameApplication gameApplication = new SimulationApplication();
        GameApplication.embeddedLaunch(gameApplication);
    }
}

@SpringBootApplication
public class DiplomaBaseApplication {

    public static void main(String[] args) {
        Application.launch(App.class, args);
    }

}

使用 javafx-weaver-spring-boot-starter。

应用程序已启动，但 spring 初始化结束，导致 spring 功能提前结束，bean 无法工作:

22:08:38.879 [JavaFX Application Thread] INFO  Engine               - FXGL-11.17 (16.07.2021 15.46) on WINDOWS (J:11.0.10 FX:16)
22:08:38.879 [JavaFX Application Thread] INFO  Engine               - Source code and latest versions at: https://github.com/AlmasB/FXGL
22:08:38.880 [JavaFX Application Thread] INFO  Engine               -              Join the FXGL chat at: https://gitter.im/AlmasB/FXGL
22:08:39.418 [FXGL Background Thread 1 ] INFO  FXGLApplication      - FXGL initialization took: 0,325 sec

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.6.7)

2022-05-13 22:08:39.900  INFO 31948 --- [lication Thread] o.s.boot.SpringApplication               : Starting application using Java 11.0.10 on DESKTOP-2DKK20I with PID 31948 (started by pro56 in C:\Users\pro56\Desktop\Course)
2022-05-13 22:08:39.903  INFO 31948 --- [lication Thread] o.s.boot.SpringApplication               : No active profile set, falling back to 1 default profile: "default"
2022-05-13 22:08:39.985  INFO 31948 --- [lication Thread] o.s.boot.SpringApplication               : Started application in 0.425 seconds (JVM running for 1.813)
22:08:40.056 [FXGL Background Thread 1 ] INFO  FXGLApplication      - Game initialization took: 0,024 sec
22:08:40.852 [FXGL Background Thread 2 ] INFO  UpdaterService       - Your current version:  11.17
22:08:40.852 [FXGL Background Thread 2 ] INFO  UpdaterService       - Latest stable version: 17.1

最佳答案

我不太清楚为什么这对你不起作用。我尝试了一下，效果很好。

生成此警告:

Unsupported JavaFX configuration: classes were loaded from 'unnamed module @307f6b8c'

我猜这就是 fxgl 的工作原理，默认情况下它在不受支持的配置中从类路径运行 JavaFX。我从 FXGL 文档中看到它可以用作模块，所以我猜在该配置中它将使用 JavaFX 模块运行受支持的配置，而不是脱离类路径。然而，SpringBoot 当前未编码为使用 modulepath(我相信 SpringBoot 3 会发生这种情况)。因此，目前最好在不受支持的配置中运行所有内容，如本示例所示。

虽然在示例中我在 DemoSpringApplication 中放置了一个 main 方法进行测试，但实际运行的主类不是那个，而是扩展了 FXGL GameApplication 的 BasicSpringGameApp。

BasicSpringGameApp 将调用 SpringApplication 静态方法来运行 Spring 应用程序(这将创建 Spring 应用程序的实例)。

Spring 应用程序与 FXGL GameApplication 是分开的(FXGL GameApplication 在内部与 JavaFX 应用程序是分开的)，因此所有这些东西都有不同的实例(每个实例只有一个)，从而应用了关注点分离。

fxgl screenshot

src/main/java/com/example/glboot/BasicSpringGameApp.java

扩展 FXGL GameApplication。 FXGL GameApplication 将(在内部)启动 JavaFX 应用程序。此示例还将运行一个 Spring 应用程序，以便 Spring 服务可用。 spring 上下文被 Autowiring 到 GameApplication 类中，以便 spring 服务可以在 GameApplication 类中使用。 Spring 注入(inject)服务的使用通过调用 UserService(一个 Spring 服务)来演示。

package com.example.glboot;

import com.almasb.fxgl.app.GameApplication;
import com.almasb.fxgl.app.GameSettings;
import com.almasb.fxgl.dsl.FXGL;
import javafx.scene.control.Label;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.boot.WebApplicationType;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.context.ConfigurableApplicationContext;

public class BasicSpringGameApp extends GameApplication {

    private ConfigurableApplicationContext springContext;

    @Autowired
    UserService userService;

    @Override
    protected void initSettings(GameSettings settings) {
        settings.setWidth(200);
        settings.setHeight(150);
        settings.setTitle("Game App");

        springContext =
                new SpringApplicationBuilder(DemoSpringApplication.class)
                        .web(WebApplicationType.NONE)
                        .run();

        springContext
                .getAutowireCapableBeanFactory()
                .autowireBeanProperties(
                        this,
                        AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE,
                        true
                );
    }

    @Override
    protected void initGame() {
        String welcomeText =
                "hello, " + userService.getUsername() + "\n" + userService.getWelcomeMessage();

        FXGL.entityBuilder()
                .at(50, 50)
                .view(new Label(welcomeText))
                .buildAndAttach();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

src/main/resources/DemoSpringApplication.java

SpringBoot应用程序，通过SpringBoot框架配置并启动Spring服务。

package com.example.glboot;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

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

src/main/java/com/example/glboot/UserService.java

示例用户信息 Spring 服务，其中包含来自 Spring 上下文和应用程序配置属性的一些注入(inject)值。

package com.example.glboot;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

@Service
public class UserService {

    @Value("${user.name}")
    private String username;

    @Value("${welcome.message}")
    private String welcomeMessage;

    public String getUsername() {
        return username;
    }

    public String getWelcomeMessage() {
        return welcomeMessage;
    }
}

src/main/resoruces/application.properties

Spring 配置属性。

welcome.message=Welcome to FXGL Boot

pom.xml

Maven 项目文件。

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.7</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <groupId>com.example</groupId>
    <artifactId>glboot</artifactId>
    <version>1.0-SNAPSHOT</version>
    <name>glboot</name>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.openjfx</groupId>
            <artifactId>javafx-controls</artifactId>
            <version>18.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.openjfx</groupId>
            <artifactId>javafx-fxml</artifactId>
            <version>18.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.openjfx</groupId>
            <artifactId>javafx-media</artifactId>
            <version>18.0.1</version>
        </dependency>

        <dependency>
            <groupId>com.github.almasb</groupId>
            <artifactId>fxgl</artifactId>
            <version>17</version>
            <exclusions>
                <exclusion>
                    <groupId>org.openjfx</groupId>
                    <artifactId>*</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

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

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

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.9.0</version>
                <configuration>
                    <source>18</source>
                    <target>18</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

控制台输出

/Users/js732745/Library/Java/JavaVirtualMachines/openjdk-18.0.1.1/Contents/Home/bin/java -javaagent:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar=59335:/Applications/IntelliJ IDEA.app/Contents/bin -Dfile.encoding=UTF-8 -classpath /Users/js732745/dev/glboot/target/classes:/Users/js732745/.m2/repository/org/openjfx/javafx-controls/18.0.1/javafx-controls-18.0.1.jar:/Users/js732745/.m2/repository/org/openjfx/javafx-controls/18.0.1/javafx-controls-18.0.1-mac.jar:/Users/js732745/.m2/repository/org/openjfx/javafx-graphics/18.0.1/javafx-graphics-18.0.1.jar:/Users/js732745/.m2/repository/org/openjfx/javafx-graphics/18.0.1/javafx-graphics-18.0.1-mac.jar:/Users/js732745/.m2/repository/org/openjfx/javafx-base/18.0.1/javafx-base-18.0.1.jar:/Users/js732745/.m2/repository/org/openjfx/javafx-base/18.0.1/javafx-base-18.0.1-mac.jar:/Users/js732745/.m2/repository/org/openjfx/javafx-fxml/18.0.1/javafx-fxml-18.0.1.jar:/Users/js732745/.m2/repository/org/openjfx/javafx-fxml/18.0.1/javafx-fxml-18.0.1-mac.jar:/Users/js732745/.m2/repository/org/openjfx/javafx-media/18.0.1/javafx-media-18.0.1.jar:/Users/js732745/.m2/repository/org/openjfx/javafx-media/18.0.1/javafx-media-18.0.1-mac.jar:/Users/js732745/.m2/repository/com/github/almasb/fxgl/17/fxgl-17.jar:/Users/js732745/.m2/repository/com/github/almasb/fxgl-core/17/fxgl-core-17.jar:/Users/js732745/.m2/repository/com/gluonhq/attach/audio/4.0.9/audio-4.0.9.jar:/Users/js732745/.m2/repository/com/github/almasb/fxgl-io/17/fxgl-io-17.jar:/Users/js732745/.m2/repository/com/gluonhq/attach/storage/4.0.9/storage-4.0.9.jar:/Users/js732745/.m2/repository/com/gluonhq/attach/util/4.0.9/util-4.0.9.jar:/Users/js732745/.m2/repository/com/github/almasb/fxgl-entity/17/fxgl-entity-17.jar:/Users/js732745/.m2/repository/com/github/almasb/fxgl-scene/17/fxgl-scene-17.jar:/Users/js732745/.m2/repository/com/github/almasb/fxgl-gameplay/17/fxgl-gameplay-17.jar:/Users/js732745/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.13.2/jackson-annotations-2.13.2.jar:/Users/js732745/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.13.2.1/jackson-databind-2.13.2.1.jar:/Users/js732745/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.13.2/jackson-core-2.13.2.jar:/Users/js732745/.m2/repository/com/gluonhq/attach/lifecycle/4.0.9/lifecycle-4.0.9.jar:/Users/js732745/.m2/repository/org/jetbrains/kotlin/kotlin-stdlib/1.5.32/kotlin-stdlib-1.5.32-modular.jar:/Users/js732745/.m2/repository/org/jetbrains/annotations/13.0/annotations-13.0.jar:/Users/js732745/.m2/repository/org/jetbrains/kotlin/kotlin-stdlib-common/1.6.21/kotlin-stdlib-common-1.6.21.jar:/Users/js732745/.m2/repository/org/springframework/boot/spring-boot-starter/2.6.7/spring-boot-starter-2.6.7.jar:/Users/js732745/.m2/repository/org/springframework/boot/spring-boot/2.6.7/spring-boot-2.6.7.jar:/Users/js732745/.m2/repository/org/springframework/spring-context/5.3.19/spring-context-5.3.19.jar:/Users/js732745/.m2/repository/org/springframework/spring-aop/5.3.19/spring-aop-5.3.19.jar:/Users/js732745/.m2/repository/org/springframework/spring-beans/5.3.19/spring-beans-5.3.19.jar:/Users/js732745/.m2/repository/org/springframework/spring-expression/5.3.19/spring-expression-5.3.19.jar:/Users/js732745/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.6.7/spring-boot-autoconfigure-2.6.7.jar:/Users/js732745/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.6.7/spring-boot-starter-logging-2.6.7.jar:/Users/js732745/.m2/repository/ch/qos/logback/logback-classic/1.2.11/logback-classic-1.2.11.jar:/Users/js732745/.m2/repository/ch/qos/logback/logback-core/1.2.11/logback-core-1.2.11.jar:/Users/js732745/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.17.2/log4j-to-slf4j-2.17.2.jar:/Users/js732745/.m2/repository/org/apache/logging/log4j/log4j-api/2.17.2/log4j-api-2.17.2.jar:/Users/js732745/.m2/repository/org/slf4j/jul-to-slf4j/1.7.36/jul-to-slf4j-1.7.36.jar:/Users/js732745/.m2/repository/jakarta/annotation/jakarta.annotation-api/1.3.5/jakarta.annotation-api-1.3.5.jar:/Users/js732745/.m2/repository/org/springframework/spring-core/5.3.19/spring-core-5.3.19.jar:/Users/js732745/.m2/repository/org/springframework/spring-jcl/5.3.19/spring-jcl-5.3.19.jar:/Users/js732745/.m2/repository/org/yaml/snakeyaml/1.29/snakeyaml-1.29.jar:/Users/js732745/.m2/repository/org/slf4j/slf4j-api/1.7.36/slf4j-api-1.7.36.jar com.example.glboot.BasicSpringGameApp

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.6.7)

2022-05-13 15:54:30.381  INFO 32226 --- [           main] com.example.glboot.BasicSpringGameApp    : Starting BasicSpringGameApp using Java 18.0.1.1 on C02ZX2NFMD6T with PID 32226 (/Users/js732745/dev/glboot/target/classes started by js732745 in /Users/js732745/dev/glboot)
2022-05-13 15:54:30.384  INFO 32226 --- [           main] com.example.glboot.BasicSpringGameApp    : No active profile set, falling back to 1 default profile: "default"
2022-05-13 15:54:30.772  INFO 32226 --- [           main] com.example.glboot.BasicSpringGameApp    : Started BasicSpringGameApp in 0.675 seconds (JVM running for 0.988)
2022-05-13 15:54:30.835  WARN 32226 --- [JavaFX-Launcher] javafx                                   : Unsupported JavaFX configuration: classes were loaded from 'unnamed module @307f6b8c'
15:54:31.118 [JavaFX Application Thread] INFO  Engine               - FXGL-17 (31.12.2021 18.16) on MAC (J:18.0.1.1 FX:18.0.1)
15:54:31.119 [JavaFX Application Thread] INFO  Engine               - Source code and latest versions at: https://github.com/AlmasB/FXGL
15:54:31.119 [JavaFX Application Thread] INFO  Engine               -       Ask questions and discuss at: https://github.com/AlmasB/FXGL/discussions
15:54:31.119 [JavaFX Application Thread] INFO  Engine               -              Join the FXGL chat at: https://gitter.im/AlmasB/FXGL
15:54:31.534 [FXGL Background Thread 1 ] WARN  FXGL.DefaultMenu     - FXGLDefaultMenu is not designed for resolutions < 800x600
15:54:31.686 [FXGL Background Thread 1 ] INFO  FXGLApplication      - FXGL initialization took: 0.399 sec
15:54:31.757 [FXGL Background Thread 4 ] INFO  FXGLApplication      - Game initialization took: 0.005 sec
15:54:32.035 [FXGL Background Thread 2 ] INFO  UpdaterService       - Your current version:  17
15:54:32.036 [FXGL Background Thread 2 ] INFO  UpdaterService       - Latest stable version: 17.1

关于spring-boot - 有没有办法用 SpringBoot 启动 FXGL？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/72232375/

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