擅长:python、mysql、java
<p>以下是定义和访问实例和计算属性的方式:</p>
<pre><code>class YourClass:
another_preset = 0 # the class attributes are defined here, and accessed the same way as instance attributes (plus can be accessed in the class itself like this: ‘YourClass.another_preset’), but are shared among all instances
def __init__(self):
self.preset = 0 # instance variable - will be unique for every instance
def set_preset_to(self, x):
self.preset = x # this is how you access the instance or class attributes inside a method
def do_something_with_preset(self):
self.preset += 2 # they can also be modified
</code></pre>