删除历史日志的一个API

bool DeleteOldFiles(const char* strFolder, const char* strPrefix, boolis_recursion, UINT32 ulMinDateTime, UINT32 ulMaxDateTime)

{

    HANDLE hFind=NULL;

    WIN32_FIND_DATAA findFileData;

    std::string strFindFolder =strFolder;//转换成大写的进行比较
    std::string strUpperPrefix = str_toupper(std::string(strPrefix));

    std::string strUpperFileName(MAX_PATH, '\0');

    std::string strTempName(MAX_PATH, '\0');if (strFindFolder[strFindFolder.length() - 1] == '\\') {

        strFindFolder.append("*.*");

    }else{

        strFindFolder.append("\\*.*");

    }



    hFind= FindFirstFileA(strFindFolder.c_str(), &findFileData);if (hFind ==INVALID_HANDLE_VALUE)

    {return false;

    }do{if ((findFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ==FILE_ATTRIBUTE_DIRECTORY) {if(is_recursion){if ((0 == strcmp(".", findFileData.cFileName)) || (0 == strcmp("..", findFileData.cFileName)))

                {continue;

                }



                sprintf_s(&strTempName[0], MAX_PATH - 1, "%s\\%s", strFolder, findFileData.cFileName);



                DeleteOldFiles(strTempName.c_str(), strPrefix, is_recursion, ulMinDateTime, ulMaxDateTime);

            }

        }else{//判断文件名是否相同的前缀
            strUpperFileName = str_toupper(std::string(findFileData.cFileName));//有相同的前缀
            if (strcmp(strUpperFileName.c_str(), strUpperPrefix.c_str()) >=0) {//取当前指定位置的数值，转换成整数
                UINT32 ulCurrDateTime = atoi(&strUpperFileName[strUpperPrefix.length()]);if ((ulCurrDateTime >= ulMinDateTime) && (ulCurrDateTime <=ulMaxDateTime)) {//组合文件名
                    sprintf_s(&strTempName[0], MAX_PATH - 1, "%s\\%s", strFolder, findFileData.cFileName);//删除文件
DeleteFileA(strTempName.c_str());

                }

            }

        }

    }while (FindNextFileA(hFind, &findFileData));

    ::FindClose(hFind);

    hFind=NULL;return true;

}