使用python中的datetime
import datetime
oldtime=datetime.datetime.now()
print oldtime;
x=1
while x<10000000:
x=x+1
newtime=datetime.datetime.now()
print newtime;
print u'相差:%s'%(newtime-oldtime)
print u'相差:%s微秒'%(newtime-oldtime).microseconds
print u'相差:%s秒'%(newtime-oldtime).seconds
结果如下: