cocos2dx-lua中实现面向对象的封装继承

-- Create an class.

functionclass(classname,super)

localsuperType =type(super)

localcls

ifsuperType ~= "function"andsuperType ~= "table"then

superType =nil

super =nil

end

ifsuperType == "function"or(superandsuper.__ctype == 1)then

-- inherited from native C++ Object

cls = {}

ifsuperType == "table"then

-- copy fields from super

fork,vinpairs(super)docls[k] = vend

cls.__create = super.__create

cls.super = super

else

cls.__create = super

end

cls.ctor =function()end

cls.__cname = classname

cls.__ctype = 1

functioncls.new(...)

localinstance = cls.__create(...)

-- copy fields from class to native object

in pairs(cls)doinstance[k] = vend

instance.class = cls

instance:ctor(...)

returninstance

else

-- inherited from Lua Object

ifsuperthen

cls =clone(super)

cls.super = super

else

cls = {ctor =end}

end

cls.__cname = classname

cls.__ctype = 2-- lua

cls.__index = cls

localinstance =setMetatable({},cls)

instance.class = cls

instance:end

returncls

end