jxnczyp的专栏

local ShapeImp = {} function ShapeImp:calcArea() return self.w * self.h end Shape = {} function Shape:create() local shape = {x=10, y=20, w = 3, h = 4} setmetatable(shape, self) self.

最近做lua面向对象分享，如何实现Lua

Shape = {} function Shape:create(x, y) local s = {} setmetatable(s, self) self.__index = self s:__init(x, y) return s end function Shape:__init(x,y) self.x = x self.y = y end function