进制转换

BaseConverterApp.java

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+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.scene.layout.GridPane;
+import javafx.stage.Stage;
+import java.io.IOException;
+
+public class BaseConverterApp extends Application {
+
+    @Override
+    public void start(Stage primaryStage) {
+        try {
+            // 加载FXML文件
+            FXMLLoader loader = new FXMLLoader(getClass().getResource("BaseConverter.fxml"));
+            GridPane root = loader.load();
+            // 设置场景和舞台
+            Scene scene = new Scene(root, 400, 250);
+            primaryStage.setTitle("进制转换器");
+            primaryStage.setScene(scene);
+            primaryStage.show();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}

BaseConverterController.java

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+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+import javafx.scene.control.TextField;
+
+public class BaseConverterController {
+
+    @FXML
+    private TextField txtNumber; // 输入数字的文本框
+    @FXML
+    private TextField txtFromBase; // 输入源进制的文本框
+    @FXML
+    private TextField txtToBase; // 输入目标进制的文本框
+    @FXML
+    private Label lblResult; // 显示结果的标签
+
+    // 按钮点击事件处理
+    @FXML
+    protected void handleConvert() {
+        try {
+            String number = txtNumber.getText();
+            int fromBase = Integer.parseInt(txtFromBase.getText());
+            int toBase = Integer.parseInt(txtToBase.getText());
+
+            // 验证进制范围
+            if (fromBase < 2 || fromBase > 16 || toBase < 2 || toBase > 16) {
+                lblResult.setText("无效的进制 (2 ≤ R ≤ 16)");
+            } else {
+                // 进行进制转换
+                String result = convertBase(number, fromBase, toBase);
+                lblResult.setText("结果: " + result);
+            }
+        } catch (NumberFormatException ex) {
+            lblResult.setText("输入无效，请输入有效的数字。");
+        }
+    }
+
+    // 进制转换的辅助方法
+    private String convertBase(String number, int fromBase, int toBase) {
+        int decimalValue = Integer.parseInt(number, fromBase); // 转换为十进制
+        return Integer.toString(decimalValue, toBase).toUpperCase(); // 转换为目标进制
+    }
+}