计算运行消耗时间
    @timeit
    def test():
        time.sleep(1)

def timeit(func):
    '''
    计算运行消耗时间
    @timeit
    def test():
        time.sleep(1)
    '''

    def wapper(*args, **kwargs):
        _start = time.time()
        retval = func(*args, **kwargs)
        _end = time.time()
        logger.info('function %s() used : %.6f s' % (func.__name__, _end - _start))
        return retval

    return wapper