擅长:python、mysql、java
<p>用于<code>PyObject_CallMethod</code>的格式字符串应生成元组。<a href="https://docs.python.org/2/c-api/arg.html#c.Py_BuildValue" rel="nofollow noreferrer">You need to parenthesize the string contents</a>在只有一个值时强制执行元组:</p>
<pre><code>PyObject_CallMethod(instance, "getSum", "(i)", 5)
</code></pre>