python操作MongoDB

import json

import pymongo

if __name__ == '__main__':
    client = pymongo.MongoClient(host="127.0.0.1", port=27017)

    # 第一种
    # db = client['toy']
    #     # collection = db["stu"]

    # 第二种
    collection = client['toy']['stu']

    # 第三种
    # collection = client.toy.stu

    # 加载json数据
    # li = json.load(open('1.json', 'r'))

    # 插入数据
    # collection.insert(li)
    # client.close()

    # 返回的是一个集合
    cursor = collection.find({"gender": False})
    for i in cursor:
        print(i)
    client.close()