新增项目

main
sjb 1 month ago
parent 80aac95e5a
commit d6507e6b74

@ -1,58 +0,0 @@
import java.util.Scanner;
public class BaseConversion {
// 将任意R进制数转换为十进制数
public static int convertToDecimal(String numStr, int base) {
return Integer.parseInt(numStr, base);
}
// 将十进制数转换为任意R进制数
public static String convertFromDecimal(int num, int base) {
if (num == 0) {
return "0";
}
StringBuilder result = new StringBuilder();
while (num > 0) {
int remainder = num % base;
if (remainder < 10) {
result.append(remainder);
} else {
result.append((char) ('A' + (remainder - 10))); // A-F 对应 10-15
}
num /= base;
}
return result.reverse().toString(); // 反转结果
}
// 将一个R进制数转换为另一个R进制数
public static String convertBase(String numStr, int fromBase, int toBase) {
int decimalNumber = convertToDecimal(numStr, fromBase);
return convertFromDecimal(decimalNumber, toBase);
}
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入要转换的数字: ");
String numStr = scanner.nextLine();
System.out.print("请输入源进制 (2-16): ");
int fromBase = scanner.nextInt();
System.out.print("请输入目标进制 (2-16): ");
int toBase = scanner.nextInt();
// 验证进制范围
if (fromBase < 2 || fromBase > 16 || toBase < 2 || toBase > 16) {
System.out.println("进制必须在 2 到 16 之间。");
} else {
String result = convertBase(numStr, fromBase, toBase);
System.out.println(numStr + " 从 " + fromBase + " 进制转换到 " + toBase + " 进制的结果是: " + result);
}
scanner.close();
//This is a test
}
}

@ -0,0 +1,93 @@
import java.util.Scanner;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class BaseConversionGUI extends JFrame implements ActionListener {
private JTextField inputField;
private JTextField fromBaseField;
private JTextField toBaseField;
private JLabel resultLabel;
public BaseConversionGUI() {
setTitle("进制转换器");
setSize(400, 200);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null); // 居中显示窗口
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(4, 2));
panel.add(new JLabel("请输入要转换的数字: "));
inputField = new JTextField();
panel.add(inputField);
panel.add(new JLabel("请输入源进制 (2-16): "));
fromBaseField = new JTextField();
panel.add(fromBaseField);
panel.add(new JLabel("请输入目标进制 (2-16): "));
toBaseField = new JTextField();
panel.add(toBaseField);
JButton convertButton = new JButton("转换");
convertButton.addActionListener(this);
panel.add(convertButton);
resultLabel = new JLabel();
panel.add(resultLabel);
add(panel);
}
@Override
public void actionPerformed(ActionEvent e) {
String numStr = inputField.getText();
int fromBase = Integer.parseInt(fromBaseField.getText());
int toBase = Integer.parseInt(toBaseField.getText());
if (fromBase < 2 || fromBase > 16 || toBase < 2 || toBase > 16) {
JOptionPane.showMessageDialog(this, "进制必须在 2 到 16 之间。", "错误", JOptionPane.ERROR_MESSAGE);
} else {
String result = convertBase(numStr, fromBase, toBase);
resultLabel.setText(numStr + " 从 " + fromBase + " 进制转换到 " + toBase + " 进制的结果是: " + result);
}
}
public static void main(String[] args) {
EventQueue.invokeLater(() -> {
BaseConversionGUI gui = new BaseConversionGUI();
gui.setVisible(true);
});
}
// 原有的转换方法保持不变
public static String convertBase(String numStr, int fromBase, int toBase) {
int decimalNumber = convertToDecimal(numStr, fromBase);
return convertFromDecimal(decimalNumber, toBase);
}
public static int convertToDecimal(String numStr, int base) {
return Integer.parseInt(numStr, base);
}
public static String convertFromDecimal(int num, int base) {
if (num == 0) {
return "0";
}
StringBuilder result = new StringBuilder();
while (num > 0) {
int remainder = num % base;
if (remainder < 10) {
result.append(remainder);
} else {
result.append((char) ('A' + (remainder - 10)));
}
num /= base;
}
return result.reverse().toString();
}
}
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