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CalculatorAPP.java

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+package Calculator;
+
+import javafx.application.Application;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.GridPane;
+import javafx.stage.Stage;
+
+public class CalculatorAPP extends Application {
+
+    private TextField numberField;
+    private TextField fromBaseField;
+    private TextField toBaseField;
+    private Label resultLabel;
+
+    @Override
+    public void start(Stage primaryStage) {
+        // 创建UI组件
+        Label numberLabel = new Label("请输入要转换的数：");
+        numberField = new TextField();
+
+        Label fromBaseLabel = new Label("请输入源进制(2-16)：");
+        fromBaseField = new TextField();
+
+        Label toBaseLabel = new Label("请输入目标进制(2-16)：");
+        toBaseField = new TextField();
+
+        Button convertButton = new Button("转换");
+        resultLabel = new Label();
+
+        // 创建布局
+        GridPane gridPane = new GridPane();
+        gridPane.setAlignment(Pos.CENTER);
+        gridPane.setHgap(10);
+        gridPane.setVgap(10);
+        gridPane.setPadding(new Insets(20));
+
+        // 添加组件到布局
+        gridPane.add(numberLabel, 0, 0);
+        gridPane.add(numberField, 1, 0);
+        gridPane.add(fromBaseLabel, 0, 1);
+        gridPane.add(fromBaseField, 1, 1);
+        gridPane.add(toBaseLabel, 0, 2);
+        gridPane.add(toBaseField, 1, 2);
+        gridPane.add(convertButton, 0, 3);
+        gridPane.add(resultLabel, 1, 3);
+
+        // 为按钮添加事件监听器
+        convertButton.setOnAction(e -> {
+            try {
+                String num = numberField.getText();
+                int fromBase = Integer.parseInt(fromBaseField.getText());
+                int toBase = Integer.parseInt(toBaseField.getText());
+
+                // 调用转换方法
+                String converted = convertBase(num, fromBase, toBase);
+
+                // 更新结果显示
+                resultLabel.setText(String.format("%s (%d进制) 转换为 (%d进制) 是 %s", num, fromBase, toBase, converted));
+            } catch (NumberFormatException ex) {
+                resultLabel.setText("输入有误，请检查输入是否正确。");
+            }
+        });
+
+        // 创建场景
+        Scene scene = new Scene(gridPane, 400, 300);
+
+        // 设置舞台
+        primaryStage.setTitle("进制转换器");
+        primaryStage.setScene(scene);
+        primaryStage.show();
+    }
+
+    public static String convertBase(String num, int fromBase, int toBase) {
+        // 将给定的fromBase进制数转换为十进制数
+        int decimalNum = Integer.parseInt(num, fromBase);
+
+        // 定义字符集以表示大于10的进制数
+        char[] digits = "0123456789ABCDEF".toCharArray();
+
+        // 如果目标进制是10，则直接返回decimalNum
+        if (toBase == 10) {
+            return String.valueOf(decimalNum);
+        }
+
+        // 否则，从十进制转换为目标进制
+        StringBuilder result = new StringBuilder();
+        while (decimalNum > 0) {
+            int remainder = decimalNum % toBase;
+            result.insert(0, digits[remainder]);
+            decimalNum /= toBase;
+        }
+
+        return result.toString();
+    }
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}