import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;

public class test1 extends Application {

    @Override
    public void start(Stage primaryStage) {
        primaryStage.setTitle("进制转换器");

        // 创建布局
        GridPane grid = new GridPane();
        grid.setPadding(new Insets(10));
        grid.setVgap(8);
        grid.setHgap(10);

        // 输入框
        Label inputLabel = new Label("输入数值:");
        GridPane.setConstraints(inputLabel, 0, 0);
        TextField inputField = new TextField();
        GridPane.setConstraints(inputField, 1, 0);

        // 源进制选择
        Label fromBaseLabel = new Label("源进制:");
        GridPane.setConstraints(fromBaseLabel, 0, 1);
        ComboBox<Integer> fromBaseCombo = new ComboBox<>();
        fromBaseCombo.getItems().addAll(2, 10, 16);
        fromBaseCombo.setValue(10); // 默认选择十进制
        GridPane.setConstraints(fromBaseCombo, 1, 1);

        // 目标进制选择
        Label toBaseLabel = new Label("目标进制:");
        GridPane.setConstraints(toBaseLabel, 0, 2);
        ComboBox<Integer> toBaseCombo = new ComboBox<>();
        toBaseCombo.getItems().addAll(2, 10, 16);
        toBaseCombo.setValue(10); // 默认选择十进制
        GridPane.setConstraints(toBaseCombo, 1, 2);

        // 转换按钮
        Button convertButton = new Button("转换");
        GridPane.setConstraints(convertButton, 1, 3);

        // 输出框
        Label resultLabel = new Label("结果:");
        GridPane.setConstraints(resultLabel, 0, 4);
        TextField resultField = new TextField();
        resultField.setEditable(false);
        GridPane.setConstraints(resultField, 1, 4);

        // 处理转换逻辑
        convertButton.setOnAction(e -> {
            String input = inputField.getText();
            int fromBase = fromBaseCombo.getValue();
            int toBase = toBaseCombo.getValue();
            String result = convertBase(input, fromBase, toBase);
            resultField.setText(result);
        });

        // 添加所有控件到布局
        grid.getChildren().addAll(inputLabel, inputField, fromBaseLabel, fromBaseCombo,
                toBaseLabel, toBaseCombo, convertButton, resultLabel, resultField);

        // 创建场景并显示
        Scene scene = new Scene(grid, 400, 200);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    private String convertBase(String value, int fromBase, int toBase) {
        try {
            // 将输入值从源进制转换为十进制
            int decimalValue = Integer.parseInt(value, fromBase);
            // 将十进制转换为目标进制
            return Integer.toString(decimalValue, toBase).toUpperCase();
        } catch (NumberFormatException e) {
            return "输入无效";
        }
    }

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