Neo4j (1) Neo4j configuration file (detailed picture and text)

01-windows download and install neo4j

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

 

Neo4j configuration file (detailed graphic and text)

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

 

python connect neo4j

#coding:utf-8
from py2neo import Graph,Node,Relationship


#Query based on properties 
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")

#Create node # 
temp_node = Node('Person', name='Zhang Hong')# Node label name, node attribute 
# graph.create(temp_node)

#Building relations # fa = 
findOne ('Person','name','张 ocean') 
# 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')