使用python在Neo4j中以编程方式创建边

from neo4j import GraphDatabase

# 连接到Neo4j数据库
uri = "bolt://localhost:7687"
username = "your_username"
password = "your_password"
driver = GraphDatabase.driver(uri, auth=(username, password))

# 创建边的函数
def create_edge(tx, start_node, end_node, relationship_type, properties):
    tx.run(
        "MATCH (start:Node {name: $start_node}), (end:Node {name: $end_node}) "
        "CREATE (start)-[r:" + relationship_type + "]->(end) "
        "SET r = $properties",
        start_node=start_node,
        end_node=end_node,
        properties=properties
    )

# 执行创建边的操作
with driver.session() as session:
    session.write_transaction(create_edge, "Node1", "Node2", "RELATED_TO", {"weight": 0.8})

# 关闭数据库连接
driver.close()