#_author:Administrator#date:2019/11/2#优化#先把展示时间的函数加载进内存import timedef show_time(f): def inner(): start=time.time() f() end=time.time() print('spend time:%s'%(end-start)) return inner@show_time #此处的@show_time相当于function1=show_time(function1)def function1(): print('excute function<<') time.sleep(2)function1()print('---------------------')@show_timedef function2(): print('excute function2<<') time.sleep(2)function2() #function1=show_time(function1) 相当于返回inner# 执行结果:# excute function<<# spend time:2.0004312992095947# ---------------------# excute function2<<# spend time:2.0000228881835938
来源:https://www.cnblogs.com/startl/p/11781290.html