读取指定路径下文件，并解析提取相关内容。

读取解析成功返回true，失败返回false。

bool Client::ReadFileConfig()
{char buffer[256];char strFilePath[] = "/usr/local/etc/socket.config";std::string strIP;int iPort;if(access(strFilePath, F_OK) !=0 ){printf("ERROR: config file not exist! Using default IP and Port! \n");return false;}std::ifstream fs;fs.open( strFilePath);if(!fs.is_open()){memset( buffer, 0, sizeof(buffer));sprintf(buffer, "Error: open config file failed! filePath=%s ", strFilePath);printf("%s \n",buffer);return false;}bool bFindIP = false;bool bFindPort = false;while( !fs.eof()){memset( buffer, 0, sizeof(buffer));fs.getline( buffer, sizeof( buffer));printf("%s \n", buffer);std::string strLine(buffer);// remove(strLine.begin(), strLine.end(), ' ');size_t nPos = strLine.find("=");std::string strKey = strLine.substr(0, nPos);std::string strValue = strLine.substr( nPos + 1);if(strKey == "IP"){strIP = strValue;bFindIP = true;printf("SocketIP=%s \n",strValue.c_str());}else if(strKey == "Port"){iPort = atoi(strValue.c_str());bFindPort = true;printf("SocketPort=%d \n",iPort);}}if(!bFindIP){memset( buffer, 0, sizeof(buffer));sprintf(buffer, "Error: cannot find IP in config file(IP=xx.xx.xx.xx)! filePath=%s ", strFilePath);printf("%s \n",buffer);return false;}if(!bFindPort){memset( buffer, 0, sizeof(buffer));sprintf(buffer, "Error: cannot find Port in config file(Port=XXXX)! filePath=%s ", strFilePath);printf("%s \n",buffer);return false;}return true;}