装饰器

def decorator_whith_params_and_func_args(arg_of_decorator):
    def handle_func(func):
        print "start handle"
        def warp():
            print "start warp"
            func()
            print "end warp"
        print "end handle"
        return warp
    return handle_func


@decorator_whith_params_and_func_args("123")
def foo4():
    print "Content"

foo4()

#输出结果为
#start handle
#end handle
#start warp
#Content
#end warp
#而不是我希望的
#start handle

#start warp
#Content
#end warp

#end handle