local mainThread = _threads:getMain()
local mainThreadTimer = mainThread:getTimer()
local i
i = mainThreadTimer:setInterval(function()
    if (mainThread:isInterrupted()) then
        mainThreadTimer:clearInterval(i)
        _console:log("线程已经中断")
    else
        _console:log("线程没有中断")
    end
end, 1000)
mainThreadTimer:setTimeout(function()
    _console:log("中断线程")
    mainThread:interrupt()
end, 3000)