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13 lines
386 B
C#
13 lines
386 B
C#
namespace Myshipping.Core;
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public static class LetterIndexUtil
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{
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/// <summary>
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/// 根据当前字母获取它在26个英文字母中的下一个字母
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/// </summary>
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public static char GetNextLetter(char currentLetter)
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{
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if (currentLetter == 'z') return 'a';
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if (currentLetter == 'Z') return 'A';
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return (char)(currentLetter + 1);
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}
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} |