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如何将JavaFX应用打包为Jar文件并实现直接运行?

解决JavaFX应用生成可直接运行Jar的问题

一、先修正代码中的错误

1. 修复FrameRunApp的递归调用问题

FrameRunApp类的main方法存在无限递归调用,需改为调用JavaFX启动类的launch方法,同时修正日志配置的读取方式(打包后资源位于classpath下,不能用本地文件路径):

public class FrameRunApp {
    static Logger LOGGER;
    static {
        try(InputStream ins = FrameRunApp.class.getClassLoader().getResourceAsStream("log.config")) {
            if (ins != null) {
                LogManager.getLogManager().readConfiguration(ins);
            }
            LOGGER = Logger.getLogger(FrameRunApp.class.getName());
        } catch (Exception e) {
            System.err.println("日志配置加载失败: " + e.getMessage());
            LOGGER = Logger.getLogger(FrameRunApp.class.getName());
            LOGGER.log(Level.WARNING,"Error ", e);
        }
    }

    public static void main(String[] args) {
        // 调用JavaFX启动类的launch方法
        RunFrame.launch(RunFrame.class, args);
    }
}

2. 修正RunFrame中的日志配置读取

同样将RunFrame中的日志配置读取改为从classpath加载,避免打包后找不到文件:

public class RunFrame extends Application {

    static Logger LOGGER;
    static {
        try(InputStream ins = RunFrame.class.getClassLoader().getResourceAsStream("log.config")) {
            if (ins != null) {
                LogManager.getLogManager().readConfiguration(ins);
            }
            LOGGER = Logger.getLogger(RunFrame.class.getName());
        } catch (IOException e) {
            System.err.println("日志配置加载失败: " + e.getMessage());
            LOGGER = Logger.getLogger(RunFrame.class.getName());
            LOGGER.log(Level.WARNING,"Error ", e);
        }
    }
    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage stage)  {
        try {
            FXMLLoader loader = new FXMLLoader();
            URL xmlUrl = getClass().getResource("/RunFrameScene.fxml");
            loader.setLocation(xmlUrl);
            Parent root = loader.load();
            stage.setTitle("App");
            stage.getIcons().add(new Image(RunFrame.class.getClassLoader().getResourceAsStream("logo.png")));
            stage.setScene(new Scene(root));
            stage.show();
            LOGGER.log(Level.INFO,"Success ");
        } catch (Exception e) {
            LOGGER.log(Level.SEVERE,"Error", e);
        }
    }
}

二、配置Maven打包插件

要生成可直接运行的Jar,需添加javafx-maven-plugin处理JavaFX模块依赖,也可搭配maven-shade-plugin生成包含所有依赖的胖Jar。修改pom.xml如下:

<?xml version='1.0'?>

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>org.apache.activemq.examples.broker</groupId>
        <artifactId>jms-examples</artifactId>
        <version>2.27.1</version>
    </parent>

    <artifactId>jmx</artifactId>
    <packaging>jar</packaging>
    <name>FrameApplication</name>

    <dependencies>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-nop</artifactId>
            <version>1.7.36</version>
        </dependency>

        <dependency>
            <groupId>org.openjfx</groupId>
            <artifactId>javafx-controls</artifactId>
            <version>19</version>
        </dependency>

        <dependency>
            <groupId>org.openjfx</groupId>
            <artifactId>javafx-fxml</artifactId>
            <version>19</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
            <version>3.0.5</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <!-- JavaFX打包插件,生成包含JRE的可执行镜像 -->
            <plugin>
                <groupId>org.openjfx</groupId>
                <artifactId>javafx-maven-plugin</artifactId>
                <version>0.0.8</version>
                <configuration>
                    <mainClass>FrameRunApp</mainClass>
                    <launcher>app</launcher>
                    <jlinkImageName>App</jlinkImageName>
                    <jlinkZipName>App</jlinkZipName>
                    <!-- 可选:指定目标平台,如win、linux、mac -->
                    <!-- <platforms>
                        <platform>win</platform>
                        <platform>linux</platform>
                        <platform>mac</platform>
                    </platforms> -->
                </configuration>
                <executions>
                    <execution>
                        <id>default-cli</id>
                        <phase>package</phase>
                        <goals>
                            <goal>run</goal>
                            <goal>jlink</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

            <!-- Maven Shade插件,生成包含所有依赖的胖Jar -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>3.4.1</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <transformers>
                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                    <mainClass>FrameRunApp</mainClass>
                                </transformer>
                            </transformers>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>

三、打包并运行

1. 生成包含JRE的可执行镜像(推荐)

在命令行执行:

mvn clean package

执行完成后,target目录下会生成App目录(或zip包),用户直接运行目录中的app.exe(Windows)或app(Linux/Mac)即可,无需额外安装JDK/JRE。

2. 生成胖Jar

执行相同命令后,target目录下会生成形如jmx-2.27.1-shaded.jar的文件,用户可直接双击运行,或通过命令启动:

java -jar jmx-2.27.1-shaded.jar

四、注意事项

  • 确保log.config、RunFrameScene.fxml、logo.png等资源文件均放在src/main/resources目录下,打包后会自动加入classpath
  • 若用户系统未安装JavaFX运行时,jlink生成的镜像已包含所需模块,无需额外配置;胖Jar则要求用户系统有兼容的JDK/JRE(需包含JavaFX)

内容的提问来源于stack exchange,提问作者user21871375

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最近更新时间:2026.07.18 04:32:07