擅长:python、mysql、java
<p>可以将异常代码包装在try finally块中,例如:</p>
<pre><code>try:
try:
foo()
except xError:
doSth()
raise
# catch Exception to avoid catching system errors
except Exception as e:
try:
if isinstance(e, FooError):
doBlaBla()
else:
doFlaFla()
raise
finally:
# this will always run regardless of what you raise
</code></pre>
<p>另一种方法可以是这样的:</p>
^{pr2}$