print(‘我开始学习控制流程了’)
if else 语句
a = true;
if a then
print(‘我是真的’)
elseif a==2 then
print(‘我是2’)
else
print(‘我是假的’)
end
与语句
a = 1
b = 2
if a == 1 and b == 2 then
print(‘a=1,并且b =2’)
end
或语句
a = 1
b = 3
if a == 1 or b == 2 then
print(‘a=1,或者b =2’)
end