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新增获取磁盘主机的信息

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gaoxq
2025-08-24 23:07:58 +08:00
parent f9b9c11264
commit 2e5d810845
1 changed files with 10 additions and 8 deletions
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18
src/main/java/com/mini/capi/utils/vF.java
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@@ -6,22 +6,24 @@ import java.math.RoundingMode;
public class vF { public class vF {
private static final String[] UNITS = {"B", "K", "M", "G", "T", "P"}; // 注意：起点是 KB，所以后面依次是 M、G、T、P
private static final BigDecimal KB = BigDecimal.valueOf(1024L); private static final String[] UNITS = {"K", "M", "G", "T", "P"};
private static final BigDecimal UNIT = BigDecimal.valueOf(1024L);
public static String format(long bytes) { public static String format(long kBytes) {
if (bytes < 0) { if (kBytes < 0) {
throw new IllegalArgumentException("字节数不能为负数"); throw new IllegalArgumentException("KB 数不能为负数");
} }
BigDecimal size = BigDecimal.valueOf(bytes); BigDecimal size = BigDecimal.valueOf(kBytes);
int unitIndex = 0; int unitIndex = 0;
while (size.compareTo(KB) >= 0 && unitIndex < UNITS.length - 1) { while (size.compareTo(UNIT) >= 0 && unitIndex < UNITS.length - 1) {
size = size.divide(KB, 2, RoundingMode.HALF_UP); size = size.divide(UNIT, 2, RoundingMode.HALF_UP);
unitIndex++; unitIndex++;
} }
// 去掉无意义的 0 和小数点
String num = size.stripTrailingZeros().toPlainString(); String num = size.stripTrailingZeros().toPlainString();
return num + UNITS[unitIndex]; return num + UNITS[unitIndex];
} }