local data = 100;
local function fun1()
print(data);
data = data+50;
end
fun1(); --输出: 100
data = 200;
local data = 300;
local function fun2()
print(data);
data = data+50;
end
data = 400;
--调用
fun2(); --输出: 400
fun1(); --输出: 200
fun2(); --输出: 450
print(data) --输出:500