想理解Python的decorator首先要知道在Python中函数也是一个对象,所以你可以 将函数复制给变量 将函数当做参数 返回一个函数 函数在Python中给变量的用法一样也是一等公民,也就是高阶函数(High Order Function)。所有的魔法都是由此而来。 1,起源 我们想在函数login中输出调试信息,我们可以这样做 1 2 3 4 5 6 7...
In this example, my_decorator is a function that takes another function func as an argument and returns a new function wrapper that wraps func with some additional behavior. The resulting wrapper function can be called just like func, but with the added behavior provided by my_decorator. Using...