matlab 不同GUI之间实现交互：
功能介绍：
当在主界面单击列表框中的选项时，次界面的输入框中自动显示主界面中的选项。按钮就不介绍啦，想想不是关键的东西，想要明白按钮的功能也十分简单，下面会把代码用大白话讲清楚！
方法一：采用global函数传递数据
众所周知，global函数是一个申明全局变量的函数，在回调函数之间的数据传递和不同gui之间的数据传递起到很关键的作用。因为用global声明变量以后，变量将被保存在工作空间中。
首先创建两个gui界面，主界面为test.fig 次界面为test02.fig。然后做好相应的布局。在主界面中添加列表框，并且添加几个选项，作为测试用。在次界面中添加按钮和输入框。
如果连上面那步都不会，那就真的应该抽自己几个大嘴巴子哈哈哈哈哈哈
废话不说啦直接上代码：
test代码:
function varargout = test(varargin)% TEST MATLAB code for test.fig%TEST, by itself, creates a new TEST or raises the existing%singleton*.%%H = TEST returns the handle to a new TEST or the handle to%the existing singleton*.%%TEST('CALLBACK',hObject,eventData,handles,...) calls the local%function named CALLBACK in TEST.M with the given input arguments.%%TEST('Property','Value',...) creates a new TEST or raises the%existing singleton*. Starting from the left, property value pairs are%applied to the GUI before test_OpeningFcn gets called. An%unrecognized property name or invalid value makes property application%stop. All inputs are passed to test_OpeningFcn via varargin.%%*See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one%instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help test% Last Modified by GUIDE v2.5 12-Sep- 15:30:55% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ...'gui_Singleton', gui_Singleton, ...'gui_OpeningFcn', @test_OpeningFcn, ...'gui_OutputFcn', @test_OutputFcn, ...'gui_LayoutFcn', [] , ...'gui_Callback', []);if nargin && ischar(varargin{1})gui_State.gui_Callback = str2func(varargin{1});endif nargout[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});elsegui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before test is made visible.function test_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% varargin command line arguments to test (see VARARGIN)% Choose default command line output for testhandles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes test wait for user response (see UIRESUME)% uiwait(handles.mainfig);% --- Outputs from this function are returned to the command line.function varargout = test_OutputFcn(hObject, eventdata, handles) % varargout cell array for returning output args (see VARARGOUT);% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Get default command line output from handles structurevarargout{1} = handles.output;% --- Executes on selection change in listbox1.%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%列表框的回调函数，点击列表框里面的内容时会调用此函数%%%%%%%%%%%%%%%function listbox1_Callback(hObject, eventdata, handles)% hObject handle to listbox1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: contents = cellstr(get(hObject,'String')) returns listbox1 contents as cell array% contents{get(hObject,'Value')} returns selected item from listbox1global str %%声明一个全局变量，是为了给次界面传递数据if isequal(get(gcf,'SelectionType'),'normal')%%%get(gcf,'SelectionType')是获取鼠标点击类型，normal代表鼠标单击%% 如果鼠标双击的话就是open，%% isequal(get(gcf,'SelectionType'),'normal')意思是：获取鼠标单击n = get(hObject,'value');% n代表鼠标单击的是列表框中的第几个选项，返回值n是一个int类型的值str_all = get(hObject,'string')；% 获取列表框中的所有数据%%{'张三' }{'李四' }{'王五' }{'赵六' }{'liqi' }{'王八' }{'杜九' }{'陈十' }{'钱十一'}{'许十二'}{'贾十三'}{'白十四'}%%str = str_all{n};% 获取到你点击的是列表中的哪一个值，这里是值，而n是获取到点击的是第几个，返回值是数字set(gcf,'Visible','off');% 关闭当前图形test02('Visible','on');% 显示次界面图形end% --- Executes during object creation, after setting all properties.function listbox1_CreateFcn(hObject, eventdata, handles)% hObject handle to listbox1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles empty - handles not created until after all CreateFcns called% Hint: listbox controls usually have a white background on Windows.% See ISPC and COMPUTER.if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))set(hObject,'BackgroundColor','white');end
test02代码：
function varargout = test02(varargin)% TEST02 MATLAB code for test02.fig%TEST02, by itself, creates a new TEST02 or raises the existing%singleton*.%%H = TEST02 returns the handle to a new TEST02 or the handle to%the existing singleton*.%%TEST02('CALLBACK',hObject,eventData,handles,...) calls the local%function named CALLBACK in TEST02.M with the given input arguments.%%TEST02('Property','Value',...) creates a new TEST02 or raises the%existing singleton*. Starting from the left, property value pairs are%applied to the GUI before test02_OpeningFcn gets called. An%unrecognized property name or invalid value makes property application%stop. All inputs are passed to test02_OpeningFcn via varargin.%%*See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one%instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES% Edit the above text to modify the response to help test02% Last Modified by GUIDE v2.5 12-Sep- 15:31:14% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ...'gui_Singleton', gui_Singleton, ...'gui_OpeningFcn', @test02_OpeningFcn, ...'gui_OutputFcn', @test02_OutputFcn, ...'gui_LayoutFcn', [] , ...'gui_Callback', []);if nargin && ischar(varargin{1})gui_State.gui_Callback = str2func(varargin{1});endif nargout[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});elsegui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT% --- Executes just before test02 is made visible.function test02_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% varargin command line arguments to test02 (see VARARGIN)% Choose default command line output for test02handles.output = hObject;%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 两句代码搞定global strset(handles.edit1,'String',str);% 将获取到的鼠标单击的选项写入次界面的输入框中%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Update handles structureguidata(hObject, handles);% UIWAIT makes test02 wait for user response (see UIRESUME)% uiwait(handles.nextfig);% --- Outputs from this function are returned to the command line.function varargout = test02_OutputFcn(hObject, eventdata, handles) % varargout cell array for returning output args (see VARARGOUT);% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Get default command line output from handles structurevarargout{1} = handles.output;% --- Executes on button press in pushbutton1.function pushbutton1_Callback(hObject, eventdata, handles)% hObject handle to pushbutton1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% 点击按钮时次界面隐藏，主界面显示set(gcf,'Visible','off');test('Visible','on');function edit1_Callback(hObject, eventdata, handles)% hObject handle to edit1 (see GCBO)% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit1 as text% str2double(get(hObject,'String')) returns contents of edit1 as a double
注意：global str ；set(handles.edit1,‘String’,str);% 将获取到的鼠标单击的选项写入次界面的输入框中
以上两句代码是写在OpeningFcn函数中，而OpeningFcn函数是在界面没出来之前就执行的，方便进行一些初始化的操作。结合test02(‘Visible’,‘on’)使用。
方法二：采用findall函数传递数据
将此代码添加到主界面的列表框回调函数中即可。
test代码：
if isequal(get(gcf,'SelectionType'),'normal')n = get(hObject,'value');%获取所选中列表的索引号str_all = get(hObject,'string');%得到列表框的所有文本set(gcf,'Visible','off');%隐藏主界面h = figure(test02);%打开次界面并获取去窗口句柄，若次界面已经打开，获取其句柄set(h,'Visible','on');% 设置次界面是可见的h_edit = findall(h,'Tag','edit1');% 在次界面中查好可编辑文本框的内容set(h_edit,'string',str_all{n}); %将鼠标单击内容显示在上一句所找到的文本框里面。
test02代码：
在按钮下面添加此代码
set(gcf,'Visible','off');%隐藏次界面h = firgure(test);% 打开主界面并且获取其窗口句柄值set(h,'Visible','on');% 设置主界面可见
方法二：采用findall函数传递数据
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