擅长:python、mysql、java
<p>在您的MongoClient中,您需要告诉pymongo您正在连接到一个副本集,以便它能够发现集合<a href="https://api.mongodb.com/python/current/examples/high_availability.html#id1" rel="nofollow">https://api.mongodb.com/python/current/examples/high_availability.html#id1</a>中的所有成员</p>