C++ 字符串 与 整数、浮点数的相互转换
整数、浮点数转字符串
std::to_string
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定义于头文件
<string> |
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std::string to_string( int value );
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(1) | (C++11 起) |
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std::string to_string( long value );
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(2) | (C++11 起) |
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std::string to_string( long long value );
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(3) | (C++11 起) |
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std::string to_string( unsigned value );
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(4) | (C++11 起) |
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std::string to_string( unsigned long value );
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(5) | (C++11 起) |
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std::string to_string( unsigned long long value );
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(6) | (C++11 起) |
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std::string to_string( float value );
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(7) | (C++11 起) |
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std::string to_string( double value );
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(8) | (C++11 起) |
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std::string to_string( long double value );
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(9) | (C++11 起) |
定义于头文件 <string>
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(C++11)(C++11)
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转换字符串为无符号整数 (函数) |
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(C++11)(C++11)(C++11)
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转换字符串为有符号整数 (函数) |
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(C++11)(C++11)(C++11)
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转换字符串为浮点值 (函数) |
