Lua面向对象3

Author: Tinywan

Lua-Script/oop/oop4.lua

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+--
+-- Created by IntelliJ IDEA.
+-- User: Administrator
+-- Date: 2017/5/25
+-- Time: 17:02
+-- To change this template use File | Settings | File Templates.
+----------------------------------------------------------- Lua面向对象2
+-- local smartMan = {
+-- name = "Tinywan",
+-- age = 26,
+-- money = 800000,
+-- sayHello = function()
+-- print("Tinywan say 大家好")
+-- end
+-- }
+-- local t1 = {}
+-- local mt = {
+-- __index = smartMan,
+-- __newindex = function(table, key, value)
+-- print(key .. "字段不存在不要试图给他赋值")
+-- end
+-- }
+-- setmetatable(t1, mt)
+-- t1.sayHello = function()
+-- print("HAHA")
+-- end
+-- t1.sayHello()
+----- 输出结果
+---- sayHello字段不存在不要试图给他赋值
+---- Tinywan say 大家好
+
+----------------------------------------------------------- Lua面向对象3
+-- local smartMan = {
+-- name = "none"
+-- }
+-- local other = {
+-- name = "大家好，我是无赖的table"
+-- }
+-- local t1 = {}
+-- local mt = {
+-- __index = smartMan,
+-- __newindex = other
+-- }
+-- setmetatable(t1, mt)
+-- print("other的名字，赋值前：" .. other.name)
+-- t1.name = "峨眉大侠"
+-- print("other的名字，赋值后：" .. other.name)
+-- print("t1 的名字：" .. t1.name)
+----- 输出结果
+---- other的名字，赋值前：大家好，我是无赖的table
+---- other的名字，赋值后：峨眉大侠
+---- t1 的名字：none
+
+----------------------------------------------------------- Lua面向对象3
+a = 'fdfd'
+for n in pairs(_G) do
+    print(n) -- 打印全局的函数和变量
+end
+
+--输出结果
+--coroutine
+--assert
+--tostring
+--tonumber
+--io
+--rawget
+--xpcall
+--arg
+--ipairs
+--print
+--pcall
+--gcinfo
+--module
+--setfenv
+--getfenv
+--pairs
+--jit
+--bit
+--package
+--error
+--debug
+--loadfile
+--rawequal
+--loadstring
+--rawset
+--unpack
+--table
+--require
+--_VERSION
+--newproxy
+--collectgarbage
+--dofile
+--next
+--math
+--load
+--os
+--_G
+--select
+--string
+--type
+--getmetatable
+--a （自己定义的也出来了）
+--setmetatable
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