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小编给大家分享一下python 实现查询Neo4j多节点的多层关系，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！
python的五大特点是什么
python的五大特点：1.简单易学，开发程序时，专注的是解决问题,而不是搞明白语言本身。2.面向对象，与其他主要的语言如C++和Java相比, Python以一种非常强大又简单的方式实现面向对象编程。3.可移植性，Python程序无需修改就可以在各种平台上运行。4.解释性，Python语言写的程序不需要编译成二进制代码,可以直接从源代码运行程序。5.开源，Python是 FLOSS(自由/开放源码软件)之一。
需求：查询出满足3人及3案有关系的集合
# -*- coding: utf-8 -*-
from py2neo import Graph
import psycopg2
# 二维数组查找
def find(target, array):
for i, val in enumerate(array):
for j, temp in enumerate(val):
if temp == target:
return True;
return False
graph = Graph(host="192.168.3.186://7474", auth=("neo4j", "wabjtam123"))
data = graph.run('match data=(p:anjian)-[:参与 *2..5]-(u:anjian) with p,collect( distinct u.AJBH) as ajbhs match (p:anjian)-[:参与 *1..5]-(c:xyr) with p,ajbhs, collect(distinct c.XYRBH) as xyrbh_list,(ajbhs+p.AJBH) as ajbh_list where size(xyrbh_list)>2 and size(ajbh_list)>2 return p.AJBH as ajbh,ajbh_list,xyrbh_list')
aj = []
xyr_result = []
aj_result = []
for node in data:
ajbh = node.get('ajbh')
ajbh_list = node.get('ajbh_list')
xyrbh_list = node.get('xyrbh_list')
ajbh_list.append(ajbh)
ajbh_list = list(set(node.get('ajbh_list')))
xyrbh_list = list(set(node.get('xyrbh_list')))
flag = True
if len(aj_result) > 0:
for i, val in enumerate(ajbh_list):
f = find(val, aj_result)
if f:
flag = False
break;
if flag:
if len(ajbh_list) > 2 and len(xyrbh_list) > 2:
aj.append(ajbh)
aj_result.append(ajbh_list)
xyr_result.append(xyrbh_list)
print('MATCH p=(:anjian{AJBH:"'+ajbh+'"})-[*]-() RETURN p LIMIT 25')
name = str(len(xyrbh_list)) + "人" + str(len(ajbh_list)) + "案"
print(name)
print(len(aj_result))
print(aj)
print('----------------------------')
print(aj_result)
conn = psycopg2.connect(database="zfgfh", user="postgres", password="postgres", host="192.168.3.202", port="5432")
cursor = conn.cursor()
for ajbh in aj_result:
for temp in ajbh:
insert_sql = "insert into test.gm (\"ajbh\") values ('%s')"
insert_sql = insert_sql % temp
print(insert_sql)
# 插入
cursor.execute(insert_sql)
# 提交
conn.commit()
cursor.close() # 关闭Cursor
conn.close() # 关闭数据库
6人3案
4人5案
3人6案
11人3案
3人13案
6人46案
8人4案
5人4案
7人4案
28人17案
4人4案
3人8案
4人4案
8人3案
6人6案
5人4案
4人6案
19人77案
4人22案
4人14案
4人5案
9人5案
12人8案
4人3案
17人4案
5人7案
18人30案
7人11案
3人22案
20人12案
30
['A2301260500002019020002', 'A2301096000002018040010', 'A2301246400002018060001', 'A2301270500002018040003', 'A2301085100002018100001', 'A2301062020012018100099', 'A2301830517002018090003', 'A2301290501002019040001', 'A2301240500002018080001', 'A2301260200002018090006', 'A2301821414022018011647', 'A2301000514012018090001', 'A2301245100002018050014', 'A2301004908002018110004', 'A2301295500002018110005', 'A2301270300002018090005', 'A2301848900002018070017', 'A2301210504002018080011', 'A2301004902002018110002', 'A2301810500002018110038', 'A2301025103002018120002', 'A2301290500002019020003', 'A2301096000002018060043', 'A2301260200002018060002', 'A2301810500002018090002', 'A2301815100002018060014', 'A2301820506002018070006', 'A2301037200002018100154', 'A2301849000002018090001', 'A2301280200002018110002']
----------------------------
['A2301260500002019030006', 'A2301260500002019030007', 'A2301260500002019020002']
['A2301095200002018060039', 'A2301096000002018050002', 'A2301096000002018060009', 'A2301095200002018070016', 'A2301096000002018040010']
['A2301246400002018050003', 'A2301245200002018060007', 'A2301236400002018060005', 'A2301245200002018060003', 'A2301246400002018060002', 'A2301246400002018060001']
['A2301270500002018040003', 'A2301270500002018040004', 'A2301270500002018040005']
['A2301080506002018120002', 'A2301080506002018120001', 'A2301080506002018120011', 'A2301080506002018120004', 'A2301080506002018120010', 'A2301080506002018120013', 'A2301080506002018120005', 'A2301085100002018100001', 'A2301080506002018120012', 'A2301080506002018120007', 'A2301080506002018120006', 'A2301080506002018120003', 'A2301080506002018120009']
['A2301060504002018110006', 'A2301060504002018110005', 'A2301060504002018110028', 'A2301060504002018110026', 'A2301060504002018110036', 'A2301060504002018110035', 'A2301060504002018110030', 'A2301060504002018110003', 'A2301061723042018103961', 'A2301060504002018110024', 'A2301060504002018110004', 'A2301060504002018110025', 'A2301060504002018110044', 'A2301063010412018100861', 'A2301060504002018110022', 'A2301060504002018110031', 'A2301060504002018110038', 'A2301060504002018110007', 'A2301060504002018110032', 'A2301060504002018110009', 'A2301060504002018110039', 'A2301063011482018102790', 'A2301060504002018110029', 'A2301060504002018110021', 'A2301060504002018100001', 'A2301060504002018110015', 'A2301060504002018110043', 'A2301062020012018100099', 'A2301060504002018110011', 'A2301060504002018110040', 'A2301060504002018110023', 'A2301060504002018110027', 'A2301060504002018110037', 'A2301060504002018110014', 'A2301060504002018110033', 'A2301060504002018110002', 'A2301060504002018110041', 'A2301060504002018110008', 'A2301060504002018110001', 'A2301060504002018110010', 'A2301060504002018100002', 'A2301060504002018110019', 'A2301060504002018120004', 'A2301060504002018110018', 'A2301060504002018110020', 'A2301060504002018110034']
['A2301830517002018090003', 'A2301830517002018090005', 'A2301830517002018090006', 'A2301830517002018090004']
['A2301290501002019040001', 'A2301290501002019040002', 'A2301290501002019030002', 'A2301290501002019040004']
['A2301240500002018080001', 'A2301240500002018080004', 'A2301240500002018080003', 'A2301240500002018080002']
['A2301260200002018100006', 'A2301260200002018090002', 'A2301260200002018100013', 'A2301260200002018100008', 'A2301260200002018090006', 'A2301260200002018100003', 'A2301260200002018100001', 'A2301260200002018100010', 'A2301260200002018100005', 'A2301260200002018100012', 'A2301260200002018100002', 'A2301260200002018090004', 'A2301260200002018100011', 'A2301260200002018090003', 'A2301260200002018100014', 'A2301260200002018090005', 'A2301260200002018100007']
['A2323037100002018120006', 'A2301827600002018090005', 'A2301821414022018011647', 'A2301820209332018024067']
['A2301000514012018090001', 'A2301230500002018060001', 'A2301000514012018110004', 'A2301230300002018110005', 'A2301230500002018050005', 'A2301000514012019010001', 'A2301000514012018090002', 'A2301000514012018100001']
['A2301245100002018050014', 'A2301245100002018070018', 'A2301286100002018050005', 'A2301286100002018060002']
['A2303016200002018100001', 'A2301004908002018110004', 'A2301004908002018110006']
['A2301295500002018110008', 'A2301295500002018110006', 'A2301295500002018110003', 'A2301295500002018110007', 'A2301295500002018110005', 'A2301002104002018100007']
['A2301270300002018100004', 'A2301270300002018100002', 'A2301270300002018100001', 'A2301270300002018090005']
['A2301848900002018070017', 'A2301845700002018070027', 'A2301840502002018070002', 'A2301848800002018070024', 'A2301840502002018070003', 'A2301840502002018070001']
['A2301210504002018120003', 'A2301210504002018120019', 'A2301210504002018120013', 'A2301210504002018080007', 'A2301210504002018080021', 'A2301210504002018080015', 'A2301210504002018120017', 'A2301210504002018120045', 'A2301210504002018080014', 'A2301210504002018120049', 'A2301210504002018080019', 'A2301210504002018120028', 'A2301210504002018080004', 'A2301210504002018120029', 'A2301210504002018120051', 'A2301210504002018110005', 'A2301210504002018120023', 'A2301210504002018120043', 'A2301210504002018120044', 'A2301210504002018120041', 'A2301210504002018120014', 'A2301210504002018120032', 'A2301210504002018080003', 'A2301210504002018110006', 'A2301210504002018080009', 'A2301210504002018110004', 'A2301210504002018110003', 'A2301210504002018120038', 'A2301210504002018120039', 'A2301210504002018120015', 'A2301210504002018120011', 'A2301210504002018120036', 'A2301210504002018080010', 'A2301210504002018120048', 'A2301210504002018120025', 'A2301210504002018120006', 'A2301210504002018120012', 'A2301210504002018080013', 'A2301210504002018120022', 'A2301210504002018080017', 'A2301210504002018120008', 'A2301210504002018120046', 'A2301210504002018120052', 'A2301210504002018110007', 'A2301210504002018120024', 'A2301210504002018080022', 'A2301210504002018080005', 'A2301210504002018120050', 'A2301210504002018080002', 'A2301210504002018120009', 'A2301210504002018120031', 'A2301210504002018120033', 'A2301210504002018120042', 'A2301210504002018120035', 'A2301210504002018120040', 'A2301210504002018120026', 'A2301210504002018120005', 'A2301210504002018120030', 'A2301210504002018120027', 'A2301210504002018120018', 'A2301210504002018120010', 'A2301210504002018120016', 'A2301210504002018120002', 'A2301210504002018120001', 'A2301210504002018120034', 'A2301210504002018120007', 'A2301210504002018120037', 'A2301210504002018120004', 'A2301210504002018080008', 'A2301210504002018080011', 'A2301210504002018080018', 'A2301210504002018120021', 'A2301210504002018080020', 'A2301210504002018120047', 'A2301210504002018080006', 'A2301210504002018120020', 'A2301210504002018080016']
['A2301004906002019010005', 'A2301004902002018120001', 'A2301004902002018100006', 'A2301004908002018110002', 'A2301004902002018110002', 'A2301004906002019010003', 'A2301004904002019010003', 'A2301004908002019010002', 'A2301004902002018110003', 'A2301004908002019010004', 'A2301004908002018110001', 'A2301004905002019010008', 'A2301004904002018100004', 'A2301004908002019010005', 'A2301004904002019010004', 'A2301004909002019010001', 'A2301004905002019010007', 'A2301004908002019010003', 'A2301004904002019010002', 'A2301004908002018100002', 'A2301004902002018110001', 'A2301004906002019010004']
['A2301810500002018120044', 'A2301810500002018110039', 'A2301810500002018110041', 'A2301810500002018120034', 'A2301810500002018120055', 'A2301810500002018120052', 'A2301810500002018120053', 'A2301810500002018120032', 'A2301810500002018110038', 'A2301810500002018120054', 'A2301810500002018120035', 'A2301810500002018110040', 'A2301810500002018120033', 'A2301810500002018120056']
['A2301025103002019010002', 'A2301025103002018120002', 'A2301025103002018120004', 'A2301025103002018120005', 'A2301025103002019010001']
['A2301290500002019020004', 'A2301293014052013074923', 'A2301292809352016111088', 'A2301290500002019020003', 'A2301290500002019030001']
['A2301090506002018090006', 'A2301096000002018060044', 'A2301090506002018090002', 'A2301090506002018090004', 'A2301096000002018060045', 'A2301090506002018090005', 'A2301090506002018090003', 'A2301096000002018060043']
['A2301260200002018070019', 'A2301260200002018060002', 'A2301260200002018070001']
['A2301810500002018100008', 'A2301810500002018090002', 'A2301810500002018070015', 'A2301810500002018100006']
['A2301815100002018060014', 'A2301847300002018070003', 'A2301837900002018060010', 'A2301847300002018070002', 'A2301835600002018060007', 'A2301815500002018050010', 'A2301817900002018060001']
['A2301820502002018120006', 'A2301820502002019020003', 'A2301820502002018110004', 'A2301820502002018120003', 'A2301820502002018120014', 'A2301820502002018120001', 'A2301820502002018120002', 'A2301820502002018110005', 'A2301820502002018110007', 'A2301820502002018110010', 'A2301820502002018110002', 'A2301820506002018070006', 'A2301820502002018120004', 'A2301820502002018120009', 'A2301820502002018110012', 'A2301820502002018110014', 'A2301820502002018110013', 'A2301820502002018110011', 'A2301820502002019020002', 'A2301820502002018120005', 'A2301820502002018110006', 'A2301820502002019010001', 'A2301820502002018120013', 'A2301820502002019020001', 'A2301820502002018110009', 'A2301820502002018110008', 'A2301820502002018120011', 'A2301820502002018120010', 'A2301820502002018110001', 'A2301820502002018110003']
['A2301025600002018120006', 'A2301031714062013011545', 'A2301037200002018100154', 'A2301025700002018120027', 'A2301032513122013013630', 'A2301025700002018120050', 'A2301025600002018120051', 'A2301032816032012120005', 'A2301030916252013014087', 'A2301026600002018120008', 'A2301025600002018120044']
['A2323015500002018100003', 'A2301849000002018090018', 'A2323015700002018100005', 'A2301848700002018090013', 'A2323015500002018100004', 'A2301849000002018090001', 'A2301265300002018090007', 'A2301845700002018090004', 'A2301265500002018090005', 'A2301845700002018090019', 'A2323015700002018100004', 'A2301265300002018090006', 'A2323016100002018100003', 'A2301849000002018090008', 'A2301265300002018090011', 'A2301265300002018090005', 'A2301849000002018090019', 'A2301265500002018090006', 'A2301265300002018090010', 'A2301265300002018090009', 'A2301265300002018090008', 'A2301848700002018090006']
['A2301280200002018110003', 'A2301280200002018110011', 'A2301280200002018110013', 'A2301280200002018110005', 'A2301280200002018110010', 'A2301280200002018110007', 'A2301280200002018110012', 'A2301280200002018110002', 'A2301280200002018110008', 'A2301280200002018110009', 'A2301280200002018110014', 'A2301280200002018110006']
以上是“python 实现查询Neo4j多节点的多层关系”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注创新互联行业资讯频道！
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