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;} |
原文：http://www.cnblogs.com/JczmDeveloper/p/3527189.html