装饰器

装饰器是一个函数，用于装饰其他函数：

1、不修改原函数调用方式

2、不修改原函数代码

######################################################################

import time

 

 

def testNew(func):

def wapper(*arg, **kwargs):

start_time = time.time()

result = func(*arg, **kwargs)

end_time = time.time()

print("Test Func run compelete, using %s seconds" %(end_time - start_time))

return result

 

return wapper

 

#@testNew 等同于 test = testNew(test)

@testNew

def studentInfo(name, age, sex):

time.sleep(1)

return ("Student %s, Age %d, Sex: %s" %(name, age, sex))

 

@testNew

def studentGrade(name, score):

time.sleep(1)

return ("Student %s, Score %d" %(name, score))

 

print(studentInfo("陈海权", 21, "男"))

print(studentGrade("陈海权", 98))

 

######################################################################

import time

 

def testNew(arg):

a = arg

def test(func):

def wapper(*arg, **kwargs):

print(a)

start_time = time.time()

result = func(*arg, **kwargs)

end_time = time.time()

print("Test Func run compelete, using %s seconds" % (end_time - start_time))

return result

 

return wapper

return test

 

 

# @testNew

@testNew("大家好")

def studentInfo(name, age, sex):

time.sleep(1)

return ("Student %s, Age %d, Sex: %s" % (name, age, sex))

 

 

@testNew("大家来啊")

def studentGrade(name, score):

time.sleep(1)

return ("Student %s, Score %d" % (name, score))

 

 

print(studentInfo("陈海权", 21, "男"))

print(studentGrade("陈海权", 98))

#########################################################################