weixin_45016272的博客

准备工作下载驱动pip install redis导入redisimport redisredis = redis.StrictRedis(host='localhost', port=6379, db=0)#存取redis.set("name","liuwei")redis.get("name")#设置值 键不存在时执行设置操作print(redis.setnx('fruit1', 'banana')) # fruit1不存在，输出为...

1下载驱动包pip install pymongo2导入依赖包+Testimport pymongoclient =pymongo.MongoClient('mongodb://127.0.0.1:27017')client输出MongoClient(host=['127.0.0.1:27017'], document_class=dict, tz_aware=False, connect=True)3指定数据库#指定数据库db=client.test4

与java操作数据库类似，首先需要导入驱动,需要下载驱动包pip install pymysql下载成功之后导入pymysqlimport pymysql这里测试一下是否成功导入conn = pymysql.connect('localhost',user = "root",passwd = "a",db = "test")print (conn)print (type(conn))输出 如下，则连接成功<pymysql.connections.Conn