pymongo工具类

from itemadapter import ItemAdapter

import pymongo

class Mongo_Client(object):
    def __init__(self,collection_name):
        self.clinet = pymongo.MongoClient("x", username='x',
                     password='x',
                     authSource='admin',
                     authMechanism='SCRAM-SHA-256',port=27017,
             connect=False        )
        # db = self.clinet["test1"]
        db = self.clinet["new_movie"]
        self.collection_name = db[collection_name]

    def insert(self, data):
        self.collection_name.insert_one(data)


    def __del__(self):
        # print(self.PhRes.count_documents())
        # print("插入的数据------》"+self.count)
        print("关闭连接")
        self.clinet.close()

    def get(self):
        print("查询一条数据")
        return self.collection_name.find_one({})
    def getall(self):
        print("所有数据")
        data_list = self.collection_name.find({})
        count = 0
        for tmp in data_list:
            count += 1
            print(tmp,"----",count)
    def count(self):
        # count_documents
        print("数据总数")
        return  self.collection_name.count_documents({})
    def drop_collection_data(self):
        # 删除collection数据
        count = self.collection_name.delete_many({})
        print("s删除的数据量是",count.deleted_count)

    def get_list_page(self,page_size,page_no):
        # 分页查询
        print("分页查询")
        skips = page_size * (page_no -1 )

        return  self.collection_name.find().limit(page_size).skip(skips)

    def update_one(self,query,update_data):
        # 更新一条数据
        self.collection_name.update_one(query,update_data)
    def get(self,query):
        return  self.collection_name.find_one(query)