在VC++开发中，经常会用到string和wstring，这就需要二者之间的转换，项目中封装了wstring和string相互转换的2个函数，实现如下：
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//将wstring转换成stringstd::string ConvertWStringToAnsi(std::wstring wstr){ std::string result;
int
len = WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), NULL, 0, NULL, NULL);
if( len <= 0 )
return
result;
char* buffer = new
char[len + 1];
if(buffer == NULL )
return
result;
WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), buffer, len, NULL, NULL);
buffer[len] = ‘\0‘; //字符串断尾
result.append(buffer); //赋值
delete[] buffer; //删除缓冲区
//返回值
return
result;
}//将string转换成wstringstd::wstring ConvertAnsiToWString(std::string str){ std::wstring result;
int
len = MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.size(), NULL, 0);
if( len < 0 )
return
result;
wchar_t* buffer = new
wchar_t[len + 1];
if( buffer == NULL )
return
result;
MultiByteToWideChar(CP_ACP, 0, str.c_str(), str.size(), buffer, len);
buffer[len] = ‘\0‘; //字符串断尾
result.append(buffer); //赋值
delete[] buffer; //删除缓冲区
//返回值
return
result;
} |