MATLAB 面向对象编程 Cheatsheet

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A Simple Class

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classdef BasicClass
   properties % 属性
      Value
   end
   methods
      function obj = BasicClass(val) % 构造函数
         if nargin == 1
            if isnumeric(val)
               obj.Value = val;
            else
               error('Value must be numeric')
            end
         end
      end
      function r = roundOff(obj) % 普通成员函数
         r = round([obj.Value],2);
      end
      function r = multiplyBy(obj,n)
         r = [obj.Value] * n;
      end
      function r = plus(o1,o2) % 操作符重载
         r = [o1.Value] + [o2.Value];
      end
   end
end

% Some basic operations
a.Value
a.Value = pi/3;
a = BasicClass;
a = BasicClass(pi/3);
multiplyBy(a, 3)
a.multiply(3)
roundOff([BasicClass(2.7984), BasicClass(7)])
a + b  % call plus(o1,o2)

Class Components

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Class Definition Block

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classdef (Sealed) MyClass < handle
   ...
end

Properties Block

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classdef MyClass
   properties (Access = private)
      Prop1 = date();
   end
   ...
end

Methods Block

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classdef MyClass
   methods (Access = private)
      function obj = myMethod(obj)
      ...
      end
   end
end

Events Block

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classdef EventSource
   events (ListenAccess = protected)
      StateChanged
   end
   ...
end

Enumeration Block

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classdef Boolean < logical
   enumeration
      No  (0)
      Yes (1)
   end
end