15 lines
392 B
C++
15 lines
392 B
C++
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#pragma once
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#include <string>
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#include <cctype>
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#include <algorithm>
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std::string Tool_toLowerCase(const std::string &str)
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{
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std::string result = str;
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// 使用transform算法遍历字符串并转换为小写
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std::transform(result.begin(), result.end(), result.begin(),
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[](unsigned char c)
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{ return std::tolower(c); });
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return result;
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}
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