如何将一个字符串从wchar_t转换为LPSTR。 感谢回答。
解决方案wchar_t 由16位单元构成, LPSTR 是指向八位字节字符串的指针,定义如下:
typedef char * PSTR,* LPSTR;重要的是LPSTR 可以 p>
从 wchar_t 翻译为 LPSTR 时,对使用的编码。完成后,您可以使用 WideCharToMultiByte 函数来执行转换。
例如,以下是如何将宽字符串转换为UTF8 ,使用STL字符串简化内存管理:
#include< windows.h> #include< string> #include< vector> 静态字符串utf16ToUTF8(const wstring& s) { const int size = :: WideCharToMultiByte(CP_UTF8,0,s.c_str(),-1, 0,0,NULL); 矢量< char> buf(size); :: WideCharToMultiByte(CP_UTF8,0,s.c_str(),-1,& buf [0],size,0,NULL); return string(& buf [0]); }您可以使用此函数翻译 wchar_t * 到 LPSTR 就像这样:
const wchar_t * str = LHello,World!; std :: string utf8String = utf16ToUTF8(str); LPSTR lpStr = utf8String.c_str();
How can i convert a string from wchar_t to LPSTR. thanks for answer.
解决方案A wchar_t string is made of 16-bit units, a LPSTR is a pointer to a string of octets, defined like this:
typedef char* PSTR, *LPSTR;What's important is that the LPSTR may be null-terminated.
When translating from wchar_t to LPSTR, you have to decide on an encoding to use. Once you did that, you can use the WideCharToMultiByte function to perform the conversion.
For instance, here's how to translate a wide-character string into UTF8, using STL strings to simplify memory management:
#include <windows.h> #include <string> #include <vector> static string utf16ToUTF8( const wstring &s ) { const int size = ::WideCharToMultiByte( CP_UTF8, 0, s.c_str(), -1, NULL, 0, 0, NULL ); vector<char> buf( size ); ::WideCharToMultiByte( CP_UTF8, 0, s.c_str(), -1, &buf[0], size, 0, NULL ); return string( &buf[0] ); }You could use this function to translate a wchar_t* to LPSTR like this:
const wchar_t *str = L"Hello, World!"; std::string utf8String = utf16ToUTF8( str ); LPSTR lpStr = utf8String.c_str();
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