当通过REST API玩JSON Neo4j响应时，我试图理解如何访问返回的值， 当我的结果有一列和两行时。每行依次包含多个节点。
查询（给我一个旅行计划）：
MATCH (a:LandMark {name:'Acharya College' }),(d:AirPort {name:'Frankfurt International Airport'})
MATCH p1 = allShortestPaths((a)-[:STOPS_AT*]-(d))
WITH p1, FILTER(j IN NODES(p1) WHERE(j in nodes(p1)) ) AS buses
RETURN buses
我理解的响应是嵌套数组，但我无法弄清楚哪些是访问值的索引。
警报（JSON.stringify（data，null，4））;给出：
{ "columns": [ "buses" ], "data": [ [ [ { "labels": "http://localhost:7474/db/data/node/23/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/23/relationships/out", "data": { "name": "Acharya College" }, "all_typed_relationships": "http://localhost:7474/db/data/node/23/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/23/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/23", "property": "http://localhost:7474/db/data/node/23/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/23/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/23/properties", "incoming_relationships": "http://localhost:7474/db/data/node/23/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/23/relationships", "paged_traverse": "http://localhost:7474/db/data/node/23/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/23/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/23/relationships/in/{-list|&|types}", "metadata": { "id": 23, "labels": [ "LandMark" ] } }, { "labels": "http://localhost:7474/db/data/node/25/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/25/relationships/out", "data": { "name": "Auto Rickshaw" }, "all_typed_relationships": "http://localhost:7474/db/data/node/25/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/25/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/25", "property": "http://localhost:7474/db/data/node/25/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/25/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/25/properties", "incoming_relationships": "http://localhost:7474/db/data/node/25/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/25/relationships", "paged_traverse": "http://localhost:7474/db/data/node/25/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/25/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/25/relationships/in/{-list|&|types}", "metadata": { "id": 25, "labels": [ "AutoRickShaw" ] } }, { "labels": "http://localhost:7474/db/data/node/0/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/0/relationships/out", "data": { "name": "CST International Airport:Mumbai" }, "all_typed_relationships": "http://localhost:7474/db/data/node/0/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/0/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/0", "property": "http://localhost:7474/db/data/node/0/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/0/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/0/properties", "incoming_relationships": "http://localhost:7474/db/data/node/0/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/0/relationships", "paged_traverse": "http://localhost:7474/db/data/node/0/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/0/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/0/relationships/in/{-list|&|types}", "metadata": { "id": 0, "labels": [ "AirPort" ] } }, { "labels": "http://localhost:7474/db/data/node/3/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/3/relationships/out", "data": { "FlightNo": "LF1131" }, "all_typed_relationships": "http://localhost:7474/db/data/node/3/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/3/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/3", "property": "http://localhost:7474/db/data/node/3/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/3/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/3/properties", "incoming_relationships": "http://localhost:7474/db/data/node/3/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/3/relationships", "paged_traverse": "http://localhost:7474/db/data/node/3/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/3/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/3/relationships/in/{-list|&|types}", "metadata": { "id": 3, "labels": [ "AirPlane" ] } }, { "labels": "http://localhost:7474/db/data/node/2/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/2/relationships/out", "data": { "name": "Frankfurt International Airport" }, "all_typed_relationships": "http://localhost:7474/db/data/node/2/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/2/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/2", "property": "http://localhost:7474/db/data/node/2/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/2/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/2/properties", "incoming_relationships": "http://localhost:7474/db/data/node/2/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/2/relationships", "paged_traverse": "http://localhost:7474/db/data/node/2/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/2/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/2/relationships/in/{-list|&|types}", "metadata": { "id": 2, "labels": [ "AirPort" ] } } ] ], [ [ { "labels": "http://localhost:7474/db/data/node/23/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/23/relationships/out", "data": { "name": "Acharya College" }, "all_typed_relationships": "http://localhost:7474/db/data/node/23/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/23/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/23", "property": "http://localhost:7474/db/data/node/23/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/23/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/23/properties", "incoming_relationships": "http://localhost:7474/db/data/node/23/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/23/relationships", "paged_traverse": "http://localhost:7474/db/data/node/23/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/23/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/23/relationships/in/{-list|&|types}", "metadata": { "id": 23, "labels": [ "LandMark" ] } }, { "labels": "http://localhost:7474/db/data/node/25/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/25/relationships/out", "data": { "name": "Auto Rickshaw" }, "all_typed_relationships": "http://localhost:7474/db/data/node/25/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/25/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/25", "property": "http://localhost:7474/db/data/node/25/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/25/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/25/properties", "incoming_relationships": "http://localhost:7474/db/data/node/25/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/25/relationships", "paged_traverse": "http://localhost:7474/db/data/node/25/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/25/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/25/relationships/in/{-list|&|types}", "metadata": { "id": 25, "labels": [ "AutoRickShaw" ] } }, { "labels": "http://localhost:7474/db/data/node/0/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/0/relationships/out", "data": { "name": "CST International Airport:Mumbai" }, "all_typed_relationships": "http://localhost:7474/db/data/node/0/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/0/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/0", "property": "http://localhost:7474/db/data/node/0/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/0/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/0/properties", "incoming_relationships": "http://localhost:7474/db/data/node/0/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/0/relationships", "paged_traverse": "http://localhost:7474/db/data/node/0/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/0/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/0/relationships/in/{-list|&|types}", "metadata": { "id": 0, "labels": [ "AirPort" ] } }, { "labels": "http://localhost:7474/db/data/node/3/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/3/relationships/out", "data": { "FlightNo": "LF1131" }, "all_typed_relationships": "http://localhost:7474/db/data/node/3/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/3/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/3", "property": "http://localhost:7474/db/data/node/3/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/3/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/3/properties", "incoming_relationships": "http://localhost:7474/db/data/node/3/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/3/relationships", "paged_traverse": "http://localhost:7474/db/data/node/3/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/3/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/3/relationships/in/{-list|&|types}", "metadata": { "id": 3, "labels": [ "AirPlane" ] } }, { "labels": "http://localhost:7474/db/data/node/2/labels", "outgoing_relationships": "http://localhost:7474/db/data/node/2/relationships/out", "data": { "name": "Frankfurt International Airport" }, "all_typed_relationships": "http://localhost:7474/db/data/node/2/relationships/all/{-list|&|types}", "traverse": "http://localhost:7474/db/data/node/2/traverse/{returnType}", "self": "http://localhost:7474/db/data/node/2", "property": "http://localhost:7474/db/data/node/2/properties/{key}", "outgoing_typed_relationships": "http://localhost:7474/db/data/node/2/relationships/out/{-list|&|types}", "properties": "http://localhost:7474/db/data/node/2/properties", "incoming_relationships": "http://localhost:7474/db/data/node/2/relationships/in", "extensions": {}, "create_relationship": "http://localhost:7474/db/data/node/2/relationships", "paged_traverse": "http://localhost:7474/db/data/node/2/paged/traverse/{returnType}{?pageSize,leaseTime}", "all_relationships": "http://localhost:7474/db/data/node/2/relationships/all", "incoming_typed_relationships": "http://localhost:7474/db/data/node/2/relationships/in/{-list|&|types}", "metadata": { "id": 2, "labels": [ "AirPort" ] } } ] ] ]}
答案 0 :(得分：0)
你如何访问它？
在http://neo4j.com/developer/javascript/#_using_the_http_endpoint_directly
上查看此javascript代码段var r=require("request");
var txUrl = "http://localhost:7474/db/data/transaction/commit";
function cypher(query,params,cb) {
r.post({uri:txUrl,
json:{statements:[{statement:query,parameters:params}]}},
function(err,res) { cb(err,res.body)})
}
// Running the Function
var query="MATCH (n:User) RETURN n, labels(n) as l LIMIT {limit}"
var params={limit: 10}
var cb=function(err,data) { console.log(JSON.stringify(data)) }
cypher(query,params,cb)
{"results":[
{"columns":["n","l"],
"data":[
{"row":[{"name":"Aran"},["User"]]}
]
}],
"errors":[]}
答案 1 :(得分：0)
我知道你正在使用php而你的问题与这个问题有关：Parsing a neo4j JSON object in javascript
为什么不利用现有的驱动程序来消除响应解析的负担。
以下是使用neoclient的示例：
composer require neoxygen/neoclient
-
$client = ClientBuilder::create()
->addDefaultLocalConnection()
->build();
// Sending your query :
$query = "MATCH (a:LandMark {name:'Acharya College' }),(d:AirPort {name:'Frankfurt International Airport'})
MATCH p1 = allShortestPaths((a)-[:STOPS_AT*]-(d))
WITH p1, FILTER(j IN NODES(p1) WHERE(j in nodes(p1)) ) AS buses
RETURN buses";
$result = $client->sendCypherQuery($query)->getResult();
// Getting the buses
$buses = $result->get('buses'); // Just specify the return alias desired
// Returns you a collection of buses
// Passing what you want to your frontend :
$response = [];
foreach ($buses as $bus) {
$response[] = [
'bus_name' => $bus->getProperty('name'),
'bus_id' => $bus->getProperty('id')
];
return json_encode($response);
在你的javascript中你只需要迭代响应; - ）