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char* UnicodeToUtf8(const wchar_t* unicode){ int len; len = WideCharToMultiByte(CP_UTF8, 0, unicode, -1, NULL, 0, NULL, NULL); char *szUtf8 = (char*)malloc(len + 1); memset(szUtf8, 0, len + 1); WideCharToMultiByte(CP_UTF8, 0, unicode, -1, szUtf8, len, NULL, NULL); return szUtf8;}int main(int argc, char *argv[]){ wchar_t* wCharUnicode = L"中国"; char* cCharUtf = UnicodeToUtf8(wCharUnicode); return 0;}UTF-8 转 UnicodeCString UTF82WCS(const char* szU8){ //预转换，得到所需空间的大小; int wcsLen = ::MultiByteToWideChar(CP_UTF8, NULL, szU8, strlen(szU8), NULL, 0); //分配空间要给'\0'留个空间，MultiByteToWideChar不会给'\0'空间 wchar_t* wszString = new wchar_t[wcsLen + 1]; //转换 ::MultiByteToWideChar(CP_UTF8, NULL, szU8, strlen(szU8), wszString, wcsLen); //最后加上'\0' wszString[wcsLen] = '\0'; CString unicodeString(wszString); delete[] wszString; wszString = NULL; return unicodeString;}int main(int argc, char *argv[]){ wchar_t* wCharUnicode = L"中国"; char* cCharUtf = UnicodeToUtf8(wCharUnicode); CString strUnicode = UTF82WCS(cCharUtf); return 0;}测试效果：int length;wchar_t* wCharUnicode = L"中国你好";length = wcslen(wCharUnicode); // length = 4;char* cCharUtf = UnicodeToUtf8(wCharUnicode);length = strlen(cCharUtf); // length = 12;// 将UTF格式的char*转为CStringCString strUtf(cCharUtf);length = strUtf.GetLength(); // length = 6;CString strUnicode = UTF82WCS(cCharUtf);length = strUnicode.GetLength(); // length = 4;
int length;wchar_t* wCharUnicode = L"中国,你好abc";length = wcslen(wCharUnicode); // length = 8;char* cCharUtf = UnicodeToUtf8(wCharUnicode);length = strlen(cCharUtf); // length = 16;// 将UTF格式的char*转为CStringCString strUtf(cCharUtf);length = strUtf.GetLength(); // length = 10;CString strUnicode = UTF82WCS(cCharUtf);length = strUnicode.GetLength(); // length = 8;
int length;wchar_t* wCharUnicode = L"中国，你好abc";length = wcslen(wCharUnicode); // length = 8;char* cCharUtf = UnicodeToUtf8(wCharUnicode);length = strlen(cCharUtf); // length = 18;// 将UTF格式的char*转为CStringCString strUtf(cCharUtf);length = strUtf.GetLength(); // length = 10;CString strUnicode = UTF82WCS(cCharUtf);length = strUnicode.GetLength(); // length = 8;
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