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- from py2neo import Graph
- # 连接 Neo4j 数据库
- graph = Graph("bolt://localhost:7687", auth=("neo4j", "123456"))
- entities = ["液压2系统压力正常", "液压告警灯熄灭", "再次进行电传PBIT测试，依旧报此故障"]
- query = ""
- for i in entities:
- query += "MATCH (a)-[:故障现象]->(:故障现象{name:'" + i + "'}) "
- query += "MATCH (a)-[:排故流程]->(b:故障流程) RETURN b.name"
- print(query)
- # 构建 Cypher 查询语句
- #query = "MATCH (a:故障名称)-[:故障原因]->(:故障原因{name:'2号电传计算机故障'}), (a)-[:故障现象]->(:故障现象{name:'液压告警灯熄灭'}) MATCH (a)-[:排故流程]->(b:故障流程) RETURN a,b"
- # 执行查询
- result = graph.run(query)
- # Process the query result
- for record in result:
- fault_process = record['b.name']
- print(f"排故流程: {fault_process}")
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