JavaFX基础：5:使用ActionEvent响应
内容导读
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内容图文
前面几篇文章介绍了JavaFX的基础知识，也提到了JavaFX可以进行客户端桌面应用的开发，这篇文章给上述简单的功能添加2个按钮，可以根据按钮的进行新的window的显示和隐藏。
代码结构
liumiaocn:JavaFXButton liumiao$ ls
pom.xml src
liumiaocn:JavaFXButton liumiao$ tree .
.
├── pom.xml
└── src
└── main
├── java
│ └── com
│ └── liumiaocn
│ └── javademo
│ └── Main.java
└── resources
7 directories, 2 files
liumiaocn:JavaFXButton liumiao$
为了简单，这里仅剩下2个文件，一个pom.xml文件，一个Main.java文件
pom.xml
pom.xml文件内容如下所示，具体介绍可参看：
liumiaocn:JavaFXButton liumiao$ cat 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.liumiaocn</groupId>
<artifactId>javademo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>javafxdemo</name>
<description>JavaFX demo project</description>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.1.1</version>
<configuration>
<archive>
<manifest>
<mainClass>com.liumiaocn.javademo.Main</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>
</project>
liumiaocn:JavaFXButton liumiao$
Main.java
liumiaocn:JavaFXButton liumiao$ cat src/main/java/com/liumiaocn/javademo/Main.java
package com.liumiaocn.javademo;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;
public class Main extends Application {
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Exception {
final Stage window = new Stage();
window.setX(40);
Scene innerScene = new Scene(new Label("Show or Hide Me"),200,100);
window.setScene(innerScene);
window.setTitle("Show/Hide Window");
HBox root = new HBox(200d);
Button showButton = new Button("Show Window");
showButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
window.show();
}
});
Button hideButton = new Button("Hide Window");
hideButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
window.hide();
}
});
root.getChildren().add(showButton);
root.getChildren().add(hideButton);
primaryStage.setTitle("Hello LiuMiao");
primaryStage.setScene(new Scene(root,600,600));
primaryStage.show();
}
}
liumiaocn:JavaFXButton liumiao$
执行构建并生成jar文件
liumiaocn:JavaFXButton liumiao$ pwd
/Users/liumiao/easypack/containers/alpine/maven/demo/JavaFXButton
liumiaocn:JavaFXButton liumiao$ mvn clean package
[INFO] Scanning for projects...
[INFO]
[INFO] -----------------------< com.liumiaocn:javademo >-----------------------
[INFO] Building javafxdemo 0.0.1-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ javademo ---
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ javademo ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ javademo ---
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent!
[INFO] Compiling 1 source file to /Users/liumiao/easypack/containers/alpine/maven/demo/JavaFXButton/target/classes
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ javademo ---
[WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory /Users/liumiao/easypack/containers/alpine/maven/demo/JavaFXButton/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ javademo ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ javademo ---
[INFO] No tests to run.
[INFO]
[INFO] --- maven-jar-plugin:3.1.1:jar (default-jar) @ javademo ---
[INFO] Building jar: /Users/liumiao/easypack/containers/alpine/maven/demo/JavaFXButton/target/javademo-0.0.1-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.474 s
[INFO] Finished at: 2019-05-03T21:28:28+08:00
[INFO] ------------------------------------------------------------------------
liumiaocn:JavaFXButton liumiao$
结果确认
使用java -jar即可运行程序
liumiaocn:JavaFXButton liumiao$ java -jar target/javademo-0.0.1-SNAPSHOT.jar
点击Show Window即可显示新的窗口，点击Hide Window即可隐藏此窗口
当然也可以使用maven容器方式进行构建，详细可参看如下文章
内容总结
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