擅长:python、mysql、java
<p>你实际上没有定义构造函数。将此作为您需要执行的操作的模板:</p>
<pre><code>class Connection(object):
def __init__(self, host, project, user, password, max_idle_time):
self.db = database.Connection(
host, project, user=user, password=password, max_idle_time=max_idle_time)
def some_other_method(self):
for bogota in self.db.query("SELECT * FROM cities_copy"):
print(bogota.title)
</code></pre>