python 获取毫秒数,计算调用时长的方法

import datetimeimport timet1 = datetime.datetime.now().microsecondt3 = time.mktime(datetime.datetime.now().timetuple()//这里调用你的方法t2 = datetime.datetime.now().microsecondt4 = time.mktime(datetime.datetime.now().timetuple())strTime = 'funtion time use:%dms' % ((t4 - t3) * 1000 + (t2 - t1) / 1000)