对INI文件的操作的报装，使用了singleton设计模式，比较方便-right INI file reports of the operation of equipment, use of the singleton design pattern, more convenient

function varargout = GUI_FILTER(varargin) GUI_FILTER M-file for GUI_FILTER.fig GUI_FILTER, by itself, creates a new GUI_FILTER or raises the existing singleton*. H = GUI_FILTER returns the handle to a new GUI_FILTER or the handle to th