# pip install py2neo
from py2neo import Graph, Node, Relationship

# 修改密码
# - 使用Neo4j Browser或命令行连接到系统数据库
# http://localhost:7474/
# ALTER CURRENT USER SET PASSWORD FROM 'neo4j' TO 'DsideaL147258369'

# 连接配置
graph = Graph(
    "bolt://localhost:7687",  # 建议使用bolt协议
    auth=("neo4j", "DsideaL147258369")   # 用户名和密码
)

# 测试连接
try:
    # 执行一个简单查询测试连接
    result = graph.run("RETURN 1").data()
    print("成功连接到Neo4j数据库，测试查询结果:", result)
    
    # 示例：创建一个节点
    node = Node("Person", name="Alice")
    graph.create(node)
    print("成功创建节点:", node)
    
except Exception as e:
    print("连接失败:", e)