擅长:python、mysql、java
<p>在您的代码中,<code>var1 = self.var0</code>处于类级别,而不是实例级别,因此<code>self</code>在这里没有意义。要查看它,请尝试以下操作:</p>
<pre><code>class C(object):
field1 = 1
def __init__(self):
self.field2 = 2
print(C.field1)
print(C.field2) # should raise an exception
instance = C()
print(instance.field1) # not found in instance but found at upper level (class-level)
print(instance.field2)
</code></pre>