C++字符串格式化(FormatString)

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string FormatString(const char *lpcszFormat,...){char *pszStr = NULL;if (NULL != lpcszFormat){va_list marker = NULL;va_start(marker, lpcszFormat); //初始化变量参数size_t nLength = _vscprintf(lpcszFormat, marker) + 1; //获取格式化字符串长度pszStr = new char[nLength];memset(pszStr, '\0', nLength);_vsnprintf_s(pszStr, nLength, nLength, lpcszFormat, marker);va_end(marker); //重置变量参数}string strResult(pszStr);delete[]pszStr;return strResult;}wstring FormatWstring(const wchar_t *lpcwszFormat,...){wchar_t *pszStr = NULL;if (NULL != lpcwszFormat){va_list marker = NULL;va_start(marker, lpcwszFormat); //初始化变量参数size_t nLength = _vscwprintf(lpcwszFormat, marker) + 1; //获取格式化字符串长度pszStr = new wchar_t[nLength];memset(pszStr, L'\0', nLength);_vsnwprintf_s(pszStr, nLength, nLength, lpcwszFormat, marker);va_end(marker); //重置变量参数}wstring strResult(pszStr);delete[]pszStr;return strResult;}

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