Account={balance=0}
function Account.count(v)
-- body
print("value is:"..v)
end
a=Account
a.count(100)
Account={balance=0}
function Account.count(self,v)
-- body
self.balance=self.balance+v
print("value is:"..self.balance)
end
a=Account
a.count(a,100)
a:count(12)
原文：http://www.cnblogs.com/yufenghou/p/4302486.html