crontab.lua's Introduction

crontab.lua

lua crontab

参考资料：

中文使用说明

http://www.cnblogs.com/linbc/p/4299065.html

--传说中的测试代码

function RunTests()

-- the following calls are equivalent
function printMessage(a )
  print('Hello',a)
end

local cron = crontab.new()

local c1 = cron:after( 5, printMessage)
local c2 = cron:after( 5, print, {'Hello'})

c1:update(2) -- will print nothing, the action is not done yet
c1:update(5) -- will print 'Hello' once

c1:reset() -- reset the counter to 0

-- prints 'hey' 5 times and then prints 'hello'
while not c1:update(1) do
  print('hey')
end

-- Create a periodical clock:
local c3 = cron:every( 10, printMessage)

c3:update(5) -- nothing (total time: 5)
c3:update(4) -- nothing (total time: 9)
c3:update(12) -- prints 'Hello' twice (total time is now 21)

-------------------------------------
c1.deleted = true
c2.deleted = true
c3.deleted = true

------------------------------
--测试一下match
print('----------------------------------')
assert(match('*',14) == true)
assert(match('12-15',14) == true)
assert(match('18-21',14) == false)
assert(match('18,21',14) == false)
assert(match('18,21,14',14) == true)

--加一个定时器1分钟后执行
cron:update(1000)

--加入一个定时器每分钟执行
cron:addCron('每秒执行', '* * * * *', print, {'.......... cron'})

cron:update((60-os.time()%60)*1000)
cron:update(30*1000)
cron:update(31*1000)
cron:update(1)
cron:update(60*1000)		--打印两次

end

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