Lua语法与C语言有些相似也不太一样，写了语句学一下 微笑
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--begin
a = --[[explain]] "ha";
print(a)
if a == "ha" then
print("if test passed")
else
print("if used wrong")
end
b,c=2,3
print(b,c)
b,c=c,b
if b==3 and c==2 then
print("swap test passed")
print(b,c)
else
print("swap error")
end
do
b = 6
if b==6 then
print("code block test passed")
else
print("code block test error")
end
end
do
d=true;
local e="haha"
end
if d==true and e==nil then
print("local test passed")
else
print("local test error")
end
c = 2^3
if c == 8 then
print("squert test passed")
else
print("test error")
end
a = "string will be ".."connected"
print(a)
x = x or a --if not x then x = v end
print(x)
print(type(asdf))
c=3-1.2;
print(c)
d = [[
怎么会
怎么会
你竟原谅了我?
]]
print(d)
function test (w)
print("the num is "..w)
local add=w+1
return add;
end
b=test(5)
print(add,b)
t={
100,
[100] = "I'm the 100th element",
fsy=
{
['age']=22,
sex = "male", --如果是字符串，可以去掉引号和括号
},--元素之间必须用，隔开
20, -- 相当于t[2]=20
}
print(t[0])
print(t[1])
print(t[100])
print(t.fsy.age)
print(t[2])
g = {
age = 3,
add=function (s,n) s.age=s.age+n end
}
g:add(10) --相当于g.add(g,10)
print(g.age)
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运行的结果如下：
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>lua -e "io.stdout:setvbuf 'no'" "hello.lua"
ha
if test passed
2 3
swap test passed
3 2
code block test passed
local test passed
squert test passed
string will be connected
string will be connected
nil
1.8
怎么会
怎么会
你竟原谅了我?
the num is 5
nil 6
nil
100
I'm the 100th element
22
20
13
>Exit code: 0
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