box-server/common/core/struct.lua

-- 不支持继承,主要用于模拟类的封装特性
-- 允许序列化,等同于table

local _class = {}
 
local function struct()
	local classtype = {}
	classtype.ctor = false	
	classtype.new = function(...) 
			local obj = {}
			do
				local create
				create = function(c, ...)
					if c.ctor then
						c.ctor(obj, ...)
					end
				end
 
				create(classtype, ...)
			end
			setmetatable(obj, {__index = _class[classtype]})
			return obj
		end
	local vtbl = {}
	_class[classtype] = vtbl
 
	setmetatable(classtype, {__newindex =
		function(t, k, v)
			vtbl[k] = v
		end
	})
 	
	return classtype
end

return struct