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实例步骤: 须要设置UIContextMenu,否则点击右键不显示. 右键点击第一个菜单之后:(在菜单中加入对应的回调函数) function r1_Callback(hObject, eventdata, handles) % hObject handle to r1 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and