ADD file via upload

BaseConverterGUI.java

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+package com.example.baseconverter;
+
+
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class BaseConverterGUI extends JFrame {
+
+    private JPanel contentPane;
+    private JTextField sourceBaseField;
+    private JTextField sourceNumberField;
+    private JTextField targetBaseField;
+    private JButton convertButton;
+    private JLabel resultLabel;
+
+    public BaseConverterGUI() {
+        setTitle("Base Converter");
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setBounds(100, 100, 450, 150);
+        contentPane = new JPanel();
+        contentPane.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
+        setContentPane(contentPane);
+        contentPane.setLayout(null);
+
+        JLabel sourceBaseLabel = new JLabel("原始进制 (2-16):");
+        sourceBaseLabel.setBounds(10, 11, 85, 14);
+        contentPane.add(sourceBaseLabel);
+
+        sourceBaseField = new JTextField();
+        sourceBaseField.setBounds(99, 8, 86, 20);
+        contentPane.add(sourceBaseField);
+        sourceBaseField.setColumns(10);
+
+        JLabel sourceNumberLabel = new JLabel("原始数:");
+        sourceNumberLabel.setBounds(10, 42, 85, 14);
+        contentPane.add(sourceNumberLabel);
+
+        sourceNumberField = new JTextField();
+        sourceNumberField.setBounds(99, 39, 86, 20);
+        contentPane.add(sourceNumberField);
+        sourceNumberField.setColumns(10);
+
+        JLabel targetBaseLabel = new JLabel("目标进制 (2-16):");
+        targetBaseLabel.setBounds(10, 73, 85, 14);
+        contentPane.add(targetBaseLabel);
+
+        targetBaseField = new JTextField();
+        targetBaseField.setBounds(99, 70, 86, 20);
+        contentPane.add(targetBaseField);
+        targetBaseField.setColumns(10);
+
+        convertButton = new JButton("转换");
+        convertButton.setBounds(199, 110, 89, 23);
+        contentPane.add(convertButton);
+
+        resultLabel = new JLabel("");
+        resultLabel.setBounds(299, 70, 130, 14);
+        contentPane.add(resultLabel);
+
+        convertButton.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                try {
+                    int sourceBase = Integer.parseInt(sourceBaseField.getText());
+                    String sourceNumber = sourceNumberField.getText();
+                    int targetBase = Integer.parseInt(targetBaseField.getText());
+
+                    if (sourceBase < 2 || sourceBase > 16 || targetBase < 2 || targetBase > 16) {
+                        resultLabel.setText("进制必须在2到16之间！");
+                        return;
+                    }
+
+                    int decimalValue = BaseConverter.toDecimal(sourceNumber, sourceBase);
+                    String targetNumber = BaseConverter.fromDecimal(decimalValue, targetBase);
+                    resultLabel.setText("转换后的数是: " + targetNumber);
+                } catch (NumberFormatException ex) {
+                    resultLabel.setText("请输入有效的数字");
+                }
+            }
+        });
+    }
+
+    public static void main(String[] args) {
+        EventQueue.invokeLater(new Runnable() {
+            public void run() {
+                try {
+                    BaseConverterGUI frame = new BaseConverterGUI();
+                    frame.setVisible(true);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+    }
+}