Class OpenNumberFormat

java.lang.Object
cloud.opencode.base.string.format.OpenNumberFormat
public final class OpenNumberFormat extends Object
Number Format Utility - Provides number formatting methods. 数字格式化工具 - 提供数字格式化方法。

Features | 主要功能:

  • Decimal number formatting with grouping - 分组小数格式化
  • Percentage formatting - 百分比格式化
  • Currency formatting - 货币格式化
  • Chinese number conversion - 中文数字转换
  • Chinese money conversion - 中文金额转换

Usage Examples | 使用示例:

String num = OpenNumberFormat.formatNumber(1234.5, 2);  // "1,234.50"
String pct = OpenNumberFormat.formatPercent(0.85);      // "85.00%"
String cn = OpenNumberFormat.toChineseNumber(123);      // "壹佰贰拾叁"

Security | 安全性:

  • Thread-safe: Yes (stateless utility, new DecimalFormat per call) - 线程安全: 是（无状态，每次调用创建新DecimalFormat）
  • Null-safe: Yes - 空值安全: 是
Since:
JDK 25, opencode-base-string V1.0.0
Author:
Leon Soo www.LeonSoo.com
See Also:

  • Method Details

    • formatNumber

      public static String formatNumber(Number number)

    • formatNumber

      public static String formatNumber(Number number, int scale)

    • formatPercent

      public static String formatPercent(double number)

    • formatPercent

      public static String formatPercent(double number, int scale)

    • formatCurrency

      public static String formatCurrency(BigDecimal amount)

    • formatCurrency

      public static String formatCurrency(BigDecimal amount, String symbol)

    • toChineseNumber

      public static String toChineseNumber(long number)

    • toChineseMoney

      public static String toChineseMoney(BigDecimal amount)