#返回当前时间的时间戳（1970纪元后经过的浮点秒数）。 print(time.time()) #用以浮点数计算的秒数返回当前的CPU时间。用来衡量不同程序的耗时，比time.time()更有用 print(time.clock()) #接收时间戳（1970纪元后经过的浮点秒数）并返回格林威治天文时间下的时间元组t。注：t.tm_isdst始终为0 print(time.gmtime(1614005152.7187028)) #接收时间戳（1970纪元后经过的浮点秒数）并返回当地时间下的时间元组t（t.tm_isdst可取0或1，取决于当地当时是不是夏令时） print(time.localtime()) #2021-02-22-22-53-39-+0800-Mon-Monday-Feb-February-Mon Feb 22 22:53:39 2021-10-PM print(time.strftime("%Y-%m-%d-%H-%M-%S-%z-%a-%A-%b-%B-%c-%I-%p",time.localtime())) %Y Year with century as a decimal number. %m Month as a decimal number [01,12].%d Day of the month as a decimal number [01,31]. %H Hour (24-hour clock) as a decimal number [00,23]. %M Minute as a decimal number [00,59]. %S Second as a decimal number [00,61]. %z Time zone offset from UTC. %a Locale's abbreviated weekday name. %A Locale's full weekday name. %b Locale's abbreviated month name. %B Locale's full month name. %c Locale's appropriate date and time representation. %I Hour (12-hour clock) as a decimal number [01,12]. %p Locale's equivalent of either AM or PM.#