擅长:python、mysql、java
<p>用例则是相反的:您引发派生异常,然后使用父类捕获它。例如:</p>
<pre><code>class Brexit(Exception):
pass
class Covid(Exception):
pass
class DoubleWhammy(Brexit, Covid):
pass
try:
raise DoubleWhammy
except Brexit as e:
print("Brexit")
except Exception as e:
print(e)
</code></pre>