pycharm连接MongoDB

 1 import pymongo
 2 
 3 
 4 class MyMonDb(object):
 5     def __init__(self, db_name, col_name):
 6         self.conn = pymongo.MongoClient()
 7         self.db_name = self.conn[db_name]
 8         self.col_name = self.db_name[col_name]
 9 
10     def insert(self, data):
11         if isinstance(data, list):
12             self.col_name.insert_many(data)
13         elif isinstance(data, dict):
14             self.col_name.insert_one(data)
15 
16     def delete(self, query, _all=False):
17         if _all:
18             self.col_name.delete_many(query)
19         else:
20             self.col_name.delete_one(query)
21 
22     def update(self, query, data):
23         self.col_name.update_many(query, data)
24 
25     def find(self, query, _all=False):
26         if _all:
27             return self.col_name.find(query)
28         else:
29             return self.col_name.find_one(query)
30 
31 
32 if __name__ == '__main__':
33     m = MyMonDb("gkl", "students")
34     m.insert([{"_id": 6, "name": "gkl"}, {"_id": 7, "name": "rfy"}])
35     m.update({"name":"rfy"}, {"$set": {"name": "郭康伦"}})
36     for i in m.find({}, _all=True):
37         print(i)