JavaFX写一个教室管理系统代码

这是一个简单的JavaFX教室管理系统示例代码，包括学生和课程信息的管理：

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class ClassroomManagementSystem extends Application {
    
    private TableView<Student> studentTable;
    private TableView<Course> courseTable;
    private TextField studentIdField;
    private TextField studentNameField;
    private TextField courseIdField;
    private TextField courseNameField;

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

    @Override
    public void start(Stage primaryStage) throws Exception {
        primaryStage.setTitle("教室管理系统");

        // 创建学生表格
        studentTable = new TableView<>();
        studentTable.setEditable(false);
        TableColumn<Student, String> studentIdCol = new TableColumn<>("学号");
        studentIdCol.setCellValueFactory(cellData -> cellData.getValue().idProperty());
        TableColumn<Student, String> studentNameCol = new TableColumn<>("姓名");
        studentNameCol.setCellValueFactory(cellData -> cellData.getValue().nameProperty());
        studentTable.getColumns().addAll(studentIdCol, studentNameCol);

        // 创建课程表格
        courseTable = new TableView<>();
        courseTable.setEditable(false);
        TableColumn<Course, String> courseIdCol = new TableColumn<>("课程编号");
        courseIdCol.setCellValueFactory(cellData -> cellData.getValue().idProperty());
        TableColumn<Course, String> courseNameCol = new TableColumn<>("课程名称");
        courseNameCol.setCellValueFactory(cellData -> cellData.getValue().nameProperty());
        courseTable.getColumns().addAll(courseIdCol, courseNameCol);

        // 创建添加学生和课程的表单
        Label studentLabel = new Label("添加学生");
        Label studentIdLabel = new Label("学号：");
        Label studentNameLabel = new Label("姓名：");
        studentIdField = new TextField();
        studentNameField = new TextField();
        Button addStudentButton = new Button("添加");
        addStudentButton.setOnAction(e -> addStudent());
        HBox studentHBox = new HBox(10);
        studentHBox.setAlignment(Pos.CENTER_LEFT);
        studentHBox.getChildren().addAll(studentIdLabel, studentIdField, studentNameLabel, studentNameField, addStudentButton);

        Label courseLabel = new Label("添加课程");
        Label courseIdLabel = new Label("课程编号：");
        Label courseNameLabel = new Label("课程名称：");
        courseIdField = new TextField();
        courseNameField = new TextField();
        Button addCourseButton = new Button("添加");
        addCourseButton.setOnAction(e -> addCourse());
        HBox courseHBox = new HBox(10);
        courseHBox.setAlignment(Pos.CENTER_LEFT);
        courseHBox.getChildren().addAll(courseIdLabel, courseIdField, courseNameLabel, courseNameField, addCourseButton);

        // 创建主界面
        VBox mainVBox = new VBox(10);
        mainVBox.setPadding(new Insets(10, 10, 10, 10));
        mainVBox.getChildren().addAll(studentLabel, studentHBox, studentTable, courseLabel, courseHBox, courseTable);
        Scene scene = new Scene(mainVBox, 600, 400);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    private void addStudent() {
        String id = studentIdField.getText();
        String name = studentNameField.getText();
        if (!id.isEmpty() && !name.isEmpty()) {
            Student student = new Student(id, name);
            studentTable.getItems().add(student);
            studentIdField.setText("");
            studentNameField.setText("");
        } else {
            Alert alert = new Alert(Alert.AlertType.WARNING);
            alert.setTitle("警告");
            alert.setHeaderText(null);
            alert.setContentText("学号和姓名不能为空！");
            alert.showAndWait();
        }
    }

    private void addCourse() {
        String id = courseIdField.getText();
        String name = courseNameField.getText();
        if (!id.isEmpty() && !name.isEmpty()) {
            Course course = new Course(id, name);
            courseTable.getItems().add(course);
            courseIdField.setText("");
            courseNameField.setText("");
        } else {
            Alert alert = new Alert(Alert.AlertType.WARNING);
            alert.setTitle("警告");
            alert.setHeaderText(null);
            alert.setContentText("课程编号和课程名称不能为空！");
            alert.showAndWait();
        }
    }

    public class Student {
        private final String id;
        private final String name;

        public Student(String id, String name) {
            this.id = id;
            this.name = name;
        }

        public String getId() {
            return id;
        }

        public String getName() {
            return name;
        }

        public StringProperty idProperty() {
            return new SimpleStringProperty(id);
        }

        public StringProperty nameProperty() {
            return new SimpleStringProperty(name);
        }
    }

    public class Course {
        private final String id;
        private final String name;

        public Course(String id, String name) {
            this.id = id;
            this.name = name;
        }

        public String getId() {
            return id;
        }

        public String getName() {
            return name;
        }

        public StringProperty idProperty() {
            return new SimpleStringProperty(id);
        }

        public StringProperty nameProperty() {
            return new SimpleStringProperty(name);
        }
    }
}

该示例使用了JavaFX的表格视图和表单控件来管理学生和课程信息，并包含添加学生和课程的表单和简单的输入验证。您可以根据需要进行修改和扩展。