选择进制

test2.java

@@ -12,59 +12,59 @@ public class test2 extends Application {
     public void start(Stage primaryStage) {
         // 创建VBox作为垂直布局容器
         VBox vBox = new VBox(10.0);
+
         // 创建提示标签
-        Label promptLabel = new Label("请输入一个十进制数");
+        Label promptLabel = new Label("请输入一个数字");
         promptLabel.setStyle("-fx-font-weight: bold;");
+
         // 创建输入框并设置提示文本
         TextField inputField = new TextField();
         inputField.setPromptText("输入数字");
+
+        // 创建输入框并设置提示文本
+        TextField fromBaseField = new TextField();
+        fromBaseField.setPromptText("输入原始进制");
+
+        // 创建输入框并设置提示文本
+        TextField toBaseField = new TextField();
+        toBaseField.setPromptText("输入目标进制");
+
         // 创建标签用于显示转换结果
-        Label binaryLabel = new Label();
-        Label octalLabel = new Label();
-        Label hexLabel = new Label();
-        Label base6Label = new Label();
+        Label resultLabel = new Label();
+
         // 创建按钮
-        Button binaryButton = new Button("二进制");
-        Button octalButton = new Button("八进制");
-        Button hexButton = new Button("十六进制");
-        Button base6Button = new Button("六进制");
+        Button convertButton = new Button("转换");
 
         // 更新标签的函数
         final TextField finalInputField = inputField;
-        Button[] buttons = {binaryButton, octalButton, hexButton, base6Button};
-        Label[] labels = {binaryLabel, octalLabel, hexLabel, base6Label};
-        for (int i = 0; i < buttons.length; i++) {
-            final int index = i;
-            buttons[i].setOnAction(e -> {
-                try {
-                    String inputText = finalInputField.getText();
-                    int number = Integer.parseInt(inputText);
-                    switch (index) {
-                        case 0:
-                            labels[index].setText(String.format("二进制: %s", Integer.toBinaryString(number).toUpperCase()));
-                            break;
-                        case 1:
-                            labels[index].setText(String.format("八进制: %s", Integer.toOctalString(number)));
-                            break;
-                        case 2:
-                            labels[index].setText(String.format("十六进制: %s", Integer.toHexString(number).toUpperCase()));
-                            break;
-                        case 3:
-                            labels[index].setText(String.format("六进制: %s", toBase6String(number)));
-                            break;
-                    }
-                } catch (NumberFormatException ex) {
-                    Alert alert = new Alert(Alert.AlertType.ERROR);
-                    alert.setTitle("输入错误");
-                    alert.setHeaderText("无效输入");
-                    alert.setContentText("请输入一个有效的数字。");
-                    alert.showAndWait();
-                }
-            });
-        }
+        final TextField finalFromBaseField = fromBaseField;
+        final TextField finalToBaseField = toBaseField;
+
+        convertButton.setOnAction(e -> {
+            try {
+                String inputText = finalInputField.getText();
+                int fromBase = Integer.parseInt(finalFromBaseField.getText());
+                int toBase = Integer.parseInt(finalToBaseField.getText());
+
+                // 将输入的数字从原始进制转换为十进制
+                int decimalNumber = Integer.parseInt(inputText, fromBase);
+
+                // 将十进制数字转换为目标进制
+                String result = toBaseString(decimalNumber, toBase);
+
+                resultLabel.setText(String.format("%d 进制: %s", toBase, result));
+            } catch (NumberFormatException ex) {
+                Alert alert = new Alert(Alert.AlertType.ERROR);
+                alert.setTitle("输入错误");
+                alert.setHeaderText("无效输入");
+                alert.setContentText("请输入有效的数字和进制。");
+                alert.showAndWait();
+            }
+        });
 
         // 将组件添加到布局中
-        vBox.getChildren().addAll(promptLabel, inputField, binaryButton, octalButton, hexButton, base6Button, binaryLabel, octalLabel, hexLabel, base6Label);
+        vBox.getChildren().addAll(promptLabel, inputField, fromBaseField, toBaseField, convertButton, resultLabel);
+
         // 设置场景和舞台
         Scene scene = new Scene(vBox, 300.0, 200.0);
         primaryStage.setTitle("进制转换器");
@@ -72,20 +72,20 @@ public class test2 extends Application {
         primaryStage.show();
     }
 
-    // 将十进制数转换为六进制字符串的方法
-    private String toBase6String(int number) {
+    // 将十进制数转换为指定进制的字符串
+    private String toBaseString(int number, int base) {
         if (number == 0) {
             return "0";
         } else {
             StringBuilder sb = new StringBuilder();
-            char[] digits = new char[]{'0', '1', '2', '3', '4', '5'};
+            char[] digits = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
             boolean isNegative = number < 0;
             if (isNegative) {
                 number = -number;
             }
             while (number > 0) {
-                sb.insert(0, digits[number % 6]);
-                number /= 6;
+                sb.insert(0, digits[number % base]);
+                number /= base;
             }
             if (isNegative) {
                 sb.insert(0, '-');
@@ -97,4 +97,4 @@ public class test2 extends Application {
     public static void main(String[] args) {
         launch(args);
     }
-}
+}