v2nero的专栏

-- base Class Object CObject = { _obj_name = "CObject"} function CObject:new (o) if (o and type(o) ~= "table") then error("base object is not a table") end o = o or {} setmetatable(o, self) se

TableA = {} function TableA:f1() print("TableA") end mt = {} function mt:__tostring() return "mt." .. tostring(self) end function mt:f2() print("mt") end mt__index = {} function mt__index:f2()