双11图数据选购

from neo4j import GraphDatabase

class Neo4jConnector:
    def __init__(self, uri, user, password):
        self._driver = GraphDatabase.driver(uri, auth=(user, password))

    def close(self):
        self._driver.close()

    def add_person(self, name):
        with self._driver.session() as session:
            session.write_transaction(self._create_person_node, name)

    @staticmethod
    def _create_person_node(tx, name):
        tx.run("CREATE (a:Person {name: $name})", name=name)

    def find_person(self, name):
        with self._driver.session() as session:
            result = session.read_transaction(self._find_person_node, name)
            return result.single()

    @staticmethod
    def _find_person_node(tx, name):
        result = tx.run("MATCH (a:Person {name: $name}) RETURN a", name=name)
        return result.single()

# 使用示例
connector = Neo4jConnector("bolt://localhost:7687", "neo4j", "password")
connector.add_person("Alice")
person = connector.find_person("Alice")
print(person)
connector.close()