yy

BaseConverterGUI.java

@@ -0,0 +1,103 @@
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class BaseConverterGUI extends JFrame implements ActionListener {
+    private JTextField inputField;
+    private JTextField sourceBaseField;
+    private JTextField targetBaseField;
+    private JButton convertButton;
+    private JLabel resultLabel;
+
+    public BaseConverterGUI() {
+        setTitle("基数转换器");
+        setSize(400, 200);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setLayout(new FlowLayout());
+
+        // 输入框
+        inputField = new JTextField(10);
+        add(new JLabel("输入数值:"));
+        add(inputField);
+
+        // 源基数输入框
+        sourceBaseField = new JTextField(5);
+        add(new JLabel("源基数:"));
+        add(sourceBaseField);
+
+        // 目标基数输入框
+        targetBaseField = new JTextField(5);
+        add(new JLabel("目标基数:"));
+        add(targetBaseField);
+
+        // 转换按钮
+        convertButton = new JButton("转换");
+        convertButton.addActionListener(this);
+        add(convertButton);
+
+        // 结果标签
+        resultLabel = new JLabel("结果:");
+        add(resultLabel);
+
+        setVisible(true);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        if (e.getSource() == convertButton) {
+            String numStr = inputField.getText();
+            int sourceBase = Integer.parseInt(sourceBaseField.getText());
+            int targetBase = Integer.parseInt(targetBaseField.getText());
+
+            try {
+                String convertedNum = convertBase(numStr, sourceBase, targetBase);
+                resultLabel.setText("转换结果: " + convertedNum + " (基数 " + targetBase + ")");
+            } catch (NumberFormatException ex) {
+                JOptionPane.showMessageDialog(this, "输入无效，请检查输入。");
+            }
+        }
+    }
+
+    private String convertBase(String numStr, int sourceBase, int targetBase) {
+        int decimal = convertToDecimal(numStr, sourceBase);
+        return convertFromDecimal(decimal, targetBase);
+    }
+
+    private int convertToDecimal(String numStr, int base) {
+        return Integer.parseInt(numStr, base);
+    }
+
+    private String convertFromDecimal(int decimal, int base) {
+        if (base < 2 || base > 16) {
+            throw new IllegalArgumentException("基数必须在2到16之间");
+        }
+        StringBuilder result = new StringBuilder();
+        boolean isNegative = decimal < 0;
+        decimal = Math.abs(decimal);
+
+        while (decimal > 0) {
+            int remainder = decimal % base;
+            if (remainder < 10) {
+                result.append(remainder);
+            } else {
+                result.append((char) ('A' + remainder - 10)); // Convert to A-F for bases > 10
+            }
+            decimal /= base;
+        }
+
+        if (result.length() == 0) {
+            return "0";
+        }
+
+        if (isNegative) {
+            result.append('-');
+        }
+
+        return result.reverse().toString();
+    }
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> new BaseConverterGUI());
+    }
+}