javafx的开发--Scene Builder

最新推荐文章于 2025-10-22 17:12:39 发布

原创最新推荐文章于 2025-10-22 17:12:39 发布 · 666 阅读

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本文介绍了一个基于JavaFX的应用程序框架，展示了如何通过FXML文件和对应的控制器实现不同界面之间的跳转。具体包括如何设置主应用程序类、加载FXML资源文件、实例化控制器以及进行界面切换等关键步骤。

Scene Builder 中定义了fx:id之后，可以导出controller

整体定义跳转

import javafx.fxml.Initializable;
import java.net.URL;
import java.util.ResourceBundle;

public class AbstractBaseController implements Initializable {

    private MainApplication application;

    public void setApp(MainApplication mainApplication){
        this.application=mainApplication;
    }

    public MainApplication getApplication() {
        return application;
    }

    public void initialize(URL location, ResourceBundle resources) {

    }
}

主界面：

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.fxml.JavaFXBuilderFactory;
import javafx.scene.Scene;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;
import sample.address.AddressController;
import sample.login.LoginController;
import java.net.URL;

public class MainApplication extends Application {

    private Stage stage;
    private final double MINIMUM_WINDOW_WIDTH = 400.0;
    private final double MINIMUM_WINDOW_HEIGHT = 250.0;

    @Override
    public void start(Stage primaryStage) throws Exception{
        stage = primaryStage;
        stage.setTitle("FXML Login Sample");
        stage.setMinWidth(MINIMUM_WINDOW_WIDTH);
        stage.setMinHeight(MINIMUM_WINDOW_HEIGHT);
        toLogin();
        //Parent root = FXMLLoader.load(getClass().getResource("login/login.fxml"));
        primaryStage.setTitle("校园排课系统");
        primaryStage.setIconified(true);
      //  primaryStage.setScene(new Scene(root, 450, 300));
        primaryStage.show();
    }

    private void toLogin() {
        LoginController login = null;
        try {
            login = (LoginController) sceneContent("login/login.fxml");
        } catch (Exception e) {
            e.printStackTrace();
        }
        login.setApp(this);
    }

    private Initializable sceneContent(String fxml) throws Exception {
        FXMLLoader loader = new FXMLLoader();
        URL resource = getClass().getResource(fxml);
        loader.setLocation(resource);
        loader.setBuilderFactory(new JavaFXBuilderFactory());
        GridPane page = loader.load(resource.openStream());
        Scene scene = new Scene(page);
        stage.setScene(scene);
        stage.sizeToScene();
        return (Initializable)loader.getController();
    }

    private void gotoAddress() {
        AddressController main = null;
        try {
            main = (AddressController) sceneContent("address/address.fxml");
        } catch (Exception e) {
            e.printStackTrace();
        }
        main.setApp(this);
    }

    /**
     * 登录
     * @param userName
     * @param password
     */
    public void login(String userName, String password) {
        //todo 验证，成功后跳转
        gotoAddress();
    }

    /**
     * 退出
     */
    public void logout() {
        toLogin();
    }

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

controller可以使用Scene Builder导出