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) |
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 |