擅长:python、mysql、java
<p>你可以:</p>
<pre><code>func = getattr(modulename, funcname, None):
if func:
func(arg)
</code></pre>
<p>或者更好:</p>
<pre><code>try:
func = getattr(modulename, funcname)
except AttributeError:
print 'function not found "%s" (%s)' % (funcname, arg)
else:
func(arg)
</code></pre>