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| import redis
class User(object):
"""使用Redis散列键保存用户信息,并尝试登陆"""
def __init__(self, client):
self.client = client
self.key = "weibo::email_to_uid"
def create(self, name, passwd, email):
"""创建用户"""
# 生成新的ID
new_id = IdGenerator("weibo::uid", self.client).gen()
# 生成新用户的键
user_key = "weibo::user::" + str(new_id)
# 创建用户,使用散列键保存用户信息,使用hmset时需要将key、value写成字典格式传递给redis
self.client.hmset(user_key, {"id": new_id, "name": name, "passwd": passwd, "email": email})
# 使用散列键保存email和ID的对应关系
self.client.hset(self.key, email, new_id)
return new_id.decode()
def get_by_id(self, id):
"""根据用户ID返回用户信息"""
user_key = "weibo::user::" + str(id)
return self.client.hgetall(user_key)
def try_login(self, email, passwd):
"""尝试登陆,返回用户信息"""
uid = self.client.hget(self.key, email)
if uid is None:
return None
# 获取用户信息,并将字典内二进制数据转换成字符串数据并重新存储
user_info = self.get_by_id(uid.decode())
user = dict()
for key,value in user_info.items():
user[key.decode()] = value.decode()
if user["passwd"] == passwd:
return user
if __name__ == "__main__":
redis_client = redis.StrictRedis()
user = User(redis_client)
uid = user.create("daiby", "abcd1234", "123@qq.com")
print(uid)
user_info = user.try_login("123@qq.com", "abcd1234")
print(user_info)
|