addError addFile clearErrors clearMode clearModes decInd Errors FileList FileNames fileVersion forceXML getErrors getFilenames getFileVersion getMode getModes getUniqueFileName hasErrors incInd ind indBuf indent insertAsciiFile insertBinFile isForceXML Modes ObjectName operator= setFileVersion setForceXML setMode setModes Stream writeFiles Writer Writer ~Writer

operator=() Writer & operator= ( const Writer &  ) private 私有赋值操作符，禁止赋值