摘要：
""" :param delays: An iterable object the defines num of seconds between reties, also indicating num of retries. Default: retry 3 times, waiting 1/5/3 阅读全文
摘要：
for %i in (*.png) do rename "%i" prefix_"%i" 这个命令遍历所有png文件，为它们加上前缀 阅读全文