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