Neo4j(一)
01-windows下载与安装neo4j
https://blog.csdn.net/qq_21383435/article/details/78807024
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')