70 lines
2.3 KiB
C#
70 lines
2.3 KiB
C#
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using System.Collections.Generic;
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/// <summary>
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/// 十以内数字转换工具类
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/// </summary>
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public static class SimpleNumberConverter
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{
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private static readonly Dictionary<char, int> ChineseNumbers = new Dictionary<char, int>
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{
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{'零', 0}, {'一', 1}, {'二', 2}, {'三', 3}, {'四', 4},
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{'五', 5}, {'六', 6}, {'七', 7}, {'八', 8}, {'九', 9},
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{'壹', 1}, {'贰', 2}, {'叁', 3}, {'肆', 4}, {'伍', 5},
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{'陆', 6}, {'柒', 7}, {'捌', 8}, {'玖', 9},
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{'两', 2} // 特殊处理"两"
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};
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private static readonly Dictionary<string, int> GreekNumbers = new Dictionary<string, int>
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{
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{"Ⅰ", 1}, {"Ⅱ", 2}, {"Ⅲ", 3}, {"Ⅳ", 4}, {"Ⅴ", 5},
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{"Ⅵ", 6}, {"Ⅶ", 7}, {"Ⅷ", 8}, {"Ⅸ", 9}
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};
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/// <summary>
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/// 将中文数字转换为阿拉伯数字（仅支持1-9）
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/// </summary>
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/// <param name="chineseNumber">中文数字字符</param>
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/// <returns>转换后的阿拉伯数字，转换失败返回-1</returns>
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public static int ChineseToArabic(char chineseNumber)
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{
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return ChineseNumbers.TryGetValue(chineseNumber, out int result) ? result : -1;
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}
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/// <summary>
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/// 将希腊数字转换为阿拉伯数字（仅支持1-10）
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/// </summary>
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/// <param name="greekNumber">希腊数字字符串</param>
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/// <returns>转换后的阿拉伯数字，转换失败返回-1</returns>
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public static int GreekToArabic(string greekNumber)
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{
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return GreekNumbers.TryGetValue(greekNumber, out int result) ? result : -1;
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}
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/// <summary>
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/// 智能转换数字（支持中文数字和希腊数字，限10以内）
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/// </summary>
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/// <param name="number">要转换的数字字符串</param>
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/// <returns>转换后的阿拉伯数字，转换失败返回-1</returns>
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public static int ToArabic(string number)
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{
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if (string.IsNullOrEmpty(number))
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return -1;
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// 尝试直接转换阿拉伯数字
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if (int.TryParse(number, out int result) && result >= 0 && result < 10)
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return result;
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// 尝试转换希腊数字
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int greek = GreekToArabic(number);
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if (greek != -1)
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return greek;
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// 尝试转换单个中文数字
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if (number.Length == 1)
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return ChineseToArabic(number[0]);
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return -1;
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}
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}
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