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  • Neo4j(一)

    01-windows下载与安装neo4j

    https://blog.csdn.net/qq_21383435/article/details/78807024

    neo4j的配置文件(图文详解)

    https://www.cnblogs.com/zlslch/p/6933800.html

    Neo4j 查询某标签节点个数语句 删除某标签全部节点语句

     

    查询:MATCH (n:标签名) RETURN count(n)

    删除:MATCH (n:标签名) DELETE n

    python 连接 neo4j

    #coding:utf-8
    from py2neo import Graph,Node,Relationship
    
    
    # 根据属性进行查询
    def findOne(label, propertyName, propertyValue):
        foundNode = graph.find_one(
            label = label,
            property_key = propertyName,
            property_value = propertyValue
        )
    
        return foundNode
    
    
    graph = Graph("http://localhost:7474", username="neo4j", password="123456")
    
    #创建节点
    # temp_node = Node('Person', name='张红')# 节点标签名,节点属性
    # graph.create(temp_node)
    
    #建立关系
    # fa = findOne('Person', 'name', '张海洋')
    # da = findOne('Person', 'name', '张红')
    # if(fa != None and da!= Node):
    #     fa_da = Relationship(fa, 'call', da)
    #     fa_da['count'] = 1
    #     graph.create(fa_da)
    #
    #     da_fa = Relationship(da, 'call', fa)
    #     da_fa['count'] = 3
    #     graph.create(da_fa)
    
    print findOne('call','count','1')
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  • 原文地址:https://www.cnblogs.com/quietwalk/p/9013781.html
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