UTF8 ANSI 相互转换的函数_嵌入式下utf8ansi函数-优快云博客

本文提供了一组用于在ANSI、UTF-8及宽字符间进行编码转换的实用函数。通过这些函数，开发者可以轻松实现不同编码间的相互转换，这对于处理国际化文本的应用尤为重要。

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#include <winnls.h> #include <malloc.h> LPCSTR AnsiToUtf8(LPCSTR Ansi) { int WLength = MultiByteToWideChar(CP_ACP, 0, Ansi, -1, NULL, 0); LPWSTR pszW = (LPWSTR) _alloca((WLength+1) * sizeof(WCHAR)); MultiByteToWideChar(CP_ACP, 0, Ansi, -1, pszW, WLength); int ALength = WideCharToMultiByte(CP_UTF8, 0, pszW, -1, NULL, 0, NULL, NULL); LPSTR pszA = (LPSTR)_alloca( ALength + 1); WideCharToMultiByte(CP_UTF8, 0, pszW, -1, pszA, ALength, NULL, NULL); pszA[ALength] = 0; return pszA; } LPCSTR WcharToUtf8(LPCWSTR szUnicode) { int ALength = WideCharToMultiByte(CP_UTF8, 0, szUnicode, -1, NULL, 0, NULL, NULL); LPSTR pszA = (LPSTR)_alloca( ALength + 1); WideCharToMultiByte(CP_UTF8, 0, szUnicode, -1, pszA, ALength, NULL, NULL); pszA[ALength] = 0; return pszA; } LPCSTR Utf8toAnsi( LPCSTR utf8 ) { int WLength = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, NULL, NULL ); LPWSTR pszW = (LPWSTR) _alloca( (WLength + 1) *sizeof(WCHAR) ) ; MultiByteToWideChar(CP_UTF8, 0, utf8, -1, pszW, WLength ); pszW[WLength] = 0; int ALength = WideCharToMultiByte(CP_ACP, 0, pszW, -1, NULL, 0, NULL, NULL); LPSTR pszA = ( LPSTR ) _alloca ( ALength + 1 ); WideCharToMultiByte(CP_ACP, 0, pszW, -1, pszA, ALength, NULL, NULL); pszA[ALength] = 0; return pszA; } LPCWSTR Utf8toWchar( LPCSTR utf8 ) { int WLength = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, NULL, NULL ); LPWSTR pszW = (LPWSTR) _alloca( (WLength + 1) *sizeof(WCHAR) ) ; MultiByteToWideChar(CP_UTF8, 0, utf8, -1, pszW, WLength ); pszW[WLength] = 0; return pszW; }

//测试代码 TCHAR szBuf[1204] = { "我是中国人" }; TRACE("%s/n", szBuf); strcpy( szBuf, AnsiToUtf8( szBuf )); TRACE("%s/n", szBuf); strcpy( szBuf, Utf8toAnsi(szBuf)); TRACE("%s/n", szBuf); strcpy( szBuf, "浣犳槸鎴戠殑濂芥湅鍙嬪悧"); TRACE("%s/n", szBuf); strcpy( szBuf, Utf8toAnsi( szBuf ) ); TRACE("%s/n", szBuf ); strcpy( szBuf, AnsiToUtf8( szBuf ) ); TRACE("%s/n", szBuf );

调试输出

我是中国人 (CE D2 CA C7 D6 D0 B9 FA C8 CB 00)

鎴戞槸涓浗浜? (E6 88 91 E6 98 AF E4 B8 AD E5 9B BD E4 BA BA 00)

我是中国人 (CE D2 CA C7 D6 D0 B9 FA C8 CB 00)

浣犳槸鎴戠殑濂芥湅鍙嬪悧 (E4 BD A0 E6 98 AF E6 88 91 E7 9A 84 E5 A5 BD E6 9C 8B E5 8F 8B E5 90 97 00)

你是我的好朋友吗 (C4 E3 CA C7 CE D2 B5 C4 BA C3 C5 F3 D3 D1 C2 F0 00 )

浣犳槸鎴戠殑濂芥湅鍙嬪悧 (E4 BD A0 E6 98 AF E6 88 91 E7 9A 84 E5 A5 BD E6 9C 8B E5 8F 8B E5 90 97 00)