python装饰器

import time
def wrapper(type):
    print('start------',type)
    def outter(fun):
        def inner(*args,**kwargs):
            start_time = time.time()
            fun(*args,**kwargs)
            end_time=time.time()
            print('run time %d'%(end_time-start_time))
            return 'ret'
        print('------end')
        return inner
    return outter
@wrapper(type='3333')
def fun1(name,age):
    time.sleep(3)
    print('fun1 run',name,age)

#fun1=wrapper(fun1)
#fun1('howhy',34)#被装饰的函数带参数@wrapper()
#fun1=wrapper('aaa1')(fun1)#装饰器带参数@wrapper(type='3333')
ret=fun1('aaa4',34)#被装饰的函数返回值 
print(ret)