擅长:python、mysql、java
<p>删除键<code>"_id"</code>:</p>
<pre><code>for i in xrange(2):
doc['i'] = i
if '_id' in doc:
del doc['_id']
collection.insert(doc)
</code></pre>
<p>或者手动创建一个新的:</p>
<pre><code>from bson.objectid import ObjectId
for i in xrange(2):
doc['i'] = i
doc['_id'] = ObjectId()
collection.insert(doc)
</code></pre>
<p><a href="https://stackoverflow.com/questions/21119928/getting-err-e11000-duplicate-key-error-when-inserting-into-mongo-using-the">Getting "err" : "E11000 duplicate key error when inserting into mongo using the Java driver</a></p>