黄秀彤修改

main
hxt1218 2 months ago
parent 4318b67bcd
commit 405a0aa0e0

@ -1,24 +1,20 @@
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 number, int base) {
int decimalValue = 0;
int power = 0;
// 从右向左处理字符串
for (int i = number.length() - 1; i >= 0; i--) {
char digit = number.charAt(i);
int digitValue;
// 处理数字和字母(十六进制)
if (Character.isDigit(digit)) {
digitValue = digit - '0'; // 0-9
digitValue = digit - '0';
} else {
digitValue = Character.toUpperCase(digit) - 'A' + 10; // A-F
}
// 累加到十进制值
decimalValue += digitValue * Math.pow(base, power);
power++;
}
@ -26,11 +22,9 @@ public class BaseConversion {
return decimalValue;
}
// 将十进制数转换为任意R进制数
public static String convertFromDecimal(int number, int base) {
StringBuilder result = new StringBuilder();
// 特殊情况如果number为0直接返回0
if (number == 0) {
return "0";
}
@ -38,37 +32,34 @@ public class BaseConversion {
while (number > 0) {
int remainder = number % base;
if (remainder < 10) {
result.append((char) ('0' + remainder)); // 0-9
result.append((char) ('0' + remainder));
} else {
result.append((char) ('A' + remainder - 10)); // A-F
result.append((char) ('A' + remainder - 10));
}
number /= base;
}
// 反转结果字符串
return result.reverse().toString();
}
// 主函数
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
// 输入源进制和目标进制
System.out.print("请输入源进制 (2-16): ");
int sourceBase = scanner.nextInt();
System.out.print("请输入目标进制 (2-16): ");
int targetBase = scanner.nextInt();
scanner.nextLine(); // 消耗换行符
scanner.nextLine();
// 输入要转换的数字
System.out.print("请输入要转换的数字: ");
String number = scanner.nextLine();
// 进行进制转换
int decimalValue = convertToDecimal(number, sourceBase);
String result = convertFromDecimal(decimalValue, targetBase);
// 输出结果
System.out.println("转换结果: " + result);
}
}

Loading…
Cancel
Save