>>> import pymongo
建立到本地MongoDB服务的链接
>>> client = pymongo.MongoClient("localhost", 27017)
连接test数据库
>>> db = client.test
查询连接的数据库名称
>>> db.nameu'test'
查询my_collection集合信息
>>> db.my_collectionCollection(Database(MongoClient('localhost', 27017), u'test'), u'my_collection')
向my_collection集合添加一些测试文档/对象
>>> db.my_collection.save({"x": 10})ObjectId('530034752052d502c4a250aa')>>> db.my_collection.save({"x": 8})ObjectId('5300347d2052d502c4a250ab')>>> db.my_collection.save({"x": 11})ObjectId('530034832052d502c4a250ac')
在my_collection集合中查询一个文档/对象
>>> db.my_collection.find_one(){u'x': 10, u'_id': ObjectId('530034752052d502c4a250aa')}
在my_collection集合中查询所有文档/对象,并遍历输出
IndentationError: expected an indented block>>> for item in db.my_collection.find():... PRint item["x"]...10811
>>> db.my_collection.create_index("x")u'x_1'
>>> for item in db.my_collection.find().sort("x", pymongo.ASCENDING):... print item["x"]...81011
>>> [item["x"] for item in db.my_collection.find().limit(2).skip(1)][8, 11]
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