python显示用户友好的时间，python用户,def time_spa

python显示用户友好的时间，python用户,def time_spa

def time_span(ts):   delta = datetime.now() - ts   if delta.days >= 365:       return '%d年前' % (delta.days / 365)   elif delta.days >= 30:       return '%d个月前' % (delta.days / 30)   elif delta.days > 0:       return '%d天前' % delta.days   elif delta.seconds < 60:       return "%d秒前" % delta.seconds   elif delta.seconds < 60 * 60:       return "%d分钟前" % (delta.seconds / 60)   else:       return "%d小时前" % (delta.seconds / 60 / 60)