python操作MongoDB练习

备忘录：
        练习，即可。
1.增删改查

import pymongo

class MongoUtils:
    def __init__(self,host, port,dbName):
        self.client = pymongo.MongoClient(host=host, port=port)
        self.db = self.client[dbName]

    def getDb(self):
        return  self.db

    def getCollection(self,collectName):
        return self.db[collectName]

def main():
    print("测试MongoDB")
    host = "localhost"
    port = 27017
    dbName = "demo01"
    utils = MongoUtils(host,port,dbName)

    #插入一条数据
    print("插入一条数据:")
    info01 = {"GIRL_ID": "2020032901", "GIRL_NAME": "Yao", "AGE": 31, "HEIGHT": "162", "CUP_SIZE": "B"}
    result01 = utils.getCollection("girlInfo01").insert_one(info01)
    print(result01)

    #插入多条数据
    print("插入多条数据:")
    info02 = {"GIRL_ID": "2020032902", "GIRL_NAME": "Hong", "AGE": 29, "HEIGHT": "163", "CUP_SIZE": "A"}
    info03 = {"GIRL_ID": "2020032903", "GIRL_NAME": "Yuan", "AGE": 30, "HEIGHT": "160", "CUP_SIZE": "C"}
    info04 = {"GIRL_ID": "2020032904", "GIRL_NAME": "Zhang", "AGE": 25, "HEIGHT": "161", "CUP_SIZE": "D"}
    result02 = utils.getCollection("girlInfo01").insert_many([info02,info03,info04])
    print(result02)

    #查找多条数据
    print("条件查询,查找多条数据:")
    results = utils.getCollection("girlInfo01").find()
    print(type(results))
    for result in results:
        print(result)

    # 查找一条数据
    print("条件查询,查找一条数据:")
    result = utils.getCollection("girlInfo01").find_one({"GIRL_ID": "2020032903"})
    print(result)

    #条件查询 大于26
    print("条件查询,大于26:")
    results = utils.getCollection("girlInfo01").find({"AGE": {'$gt': 26}})
    for result in results:
        print(result)

    #更新
    print("更新:")
    results = utils.getCollection("girlInfo01").update({"GIRL_ID":"2020032904"},{"$set":{"CUP_SIZE": "E"}})
    result = utils.getCollection("girlInfo01").find_one({"GIRL_ID": "2020032904"})
    print(result)

    #删除
    print("删除:")
    result = utils.getCollection("girlInfo01").remove({"GIRL_ID": "2020032904"})
    print(result)

if __name__ == '__main__':
        main()

2.数据格式
        {"GIRL_ID":"2020032901","GIRL_NAME":"Yao","AGE":31 ,"HEIGHT":"162" ,"CUP_SIZE":"B"}
        {"GIRL_ID":"2020032902","GIRL_NAME":"Hong","AGE":29 ,"HEIGHT":"163" ,"CUP_SIZE":"A"}
        {"GIRL_ID":"2020032903","GIRL_NAME":"Yuan","AGE":30 ,"HEIGHT":"160" ,"CUP_SIZE":"C"}
        {"GIRL_ID":"2020032904","GIRL_NAME":"Zhang","AGE":25 ,"HEIGHT":"161" ,"CUP_SIZE":"D"}
3.安装模块指令
        pip3 install pymongo
以上，感谢。