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我试了一下,得到了你想要的结果:from py2neo import neo4j, node, rel
graph = neo4j.GraphDatabaseService("http://localhost:7474/db/data/")
alice, = graph.create(node(name="Alice")) # Comma unpacks length-1 tuple.
bob, = graph.create(node(name="Bob"))
carol, = graph.create(node(name="Carol Smith"))
dev, = graph.create(node(name="Dev"))
graph.create(rel(alice, "KNOWS", bob))
graph.create(rel(dev, "KNOWS", carol))
graph.create(rel(alice, "KNOWS", carol))
我的图表现在在浏览器中如下所示:
或者,可以在一个graph.create()语句中创建图形:from py2neo import neo4j, node, rel
graph = neo4j.GraphDatabaseService("http://localhost:7474/db/data/")
graph.create(
node(name="Alice"), #0
node(name="Bob"), #1
node(name="Carol Smith"), #2
node(name="Dev"), #3
rel(0, "KNOWS", 1),
rel(3, "KNOWS", 2),
rel(0, "KNOWS", 2)
)
输出是一样的。希望这有帮助。
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