python装饰器学习

#功能函数参数
def print_logger(flag = ‘‘):
    def count_time(fun):
        def inner(*x,**y):
            start_time = time.time()
            fun(*x,**y)
            end_time = time.time()
            print("时间：%d" % (end_time - start_time))
            if flag == ‘true‘:
                print("日志记录：%s,%s"%(time.time(),fun))
        return inner
    return count_time

@print_logger(‘‘)    #为了控制是否打印日志
def addtwo(*a,**b):
    sum = 0
    for i in a:
        sum += i
    print(sum)
    time.sleep(1)

if __name__ == ‘__main__‘:
    addtwo(2,90,3,4,5,5)

python装饰器学习

原文：http://blog.51cto.com/357712148/2135828