parsing从节点服务器Spotify返回的json

我想从节点服务器发回格式正确的JSON到前端。

var express = require('express'); var app = express(); app.get('/route', function(req, res){ res.json(tracks) }); 

然后在前端,我使用jQuery进行GET请求

 $.get('http://localhost:8888/route', function(data){ console.log(JSON.parse(data)); }); 

这是返回的数据,但是,它是作为一个string返回它。 我试图使用JSON.parse但获取以下错误信息。 节点端的data是一个对象数组。 也许这是造成一个问题。

未捕获的SyntaxError:意外的标记,位于JSON位置2847(…)

填充曲目数组我有以下代码

 tracks = []; for (var i = 0; i < songLinks.length; i++) { request('https://api.spotify.com/v1/tracks/' + songLinks[i].split(":").pop(), function(error, response, body) { tracks.push(body) }); } 

轨道arrays中的第一项是:

“{”album“:{”album_type“:”album“,↵”artists“:[{↵
“external_urls”:{“spotify”:“ https://open.spotify.com/artist/1yAwtBaoHLEDWAnWR87hBT ”↵},
“href”:“ https://api.spotify.com/v1/artists/1yAwtBaoHLEDWAnWR87hBT ”,↵“id”:“1yAwtBaoHLEDWAnWR87hBT”,↵“name”:“Modest Mouse”,↵
“type”:“artist”,↵“uri”:“spotify:artist:1yAwtBaoHLEDWAnWR87hBT”↵}],↵
“available_markets”:“AD”“AR”“AT”“AU”“BE”“BG”“BO”“BR”“CA”“CH”“CL” CO,CR,CY,CZ,DE,DK,DO,EC,EE,ES,FI,FR,GB, GR,GT,HK,HN,HU,ID,IE,IS,IT,JP,LI,LT, LU,LV,MC,MT,MX,MY,NI,NL,NO,NZ,PA,PE,PH, ,“PL”,“PT”,“PY”,“SE”,“SG”,“SK”,“SV”,“TR”,“TW”,“US”,“UY”
“external_urls”:{“spotify”:“ https://open.spotify.com/album/4YvdAtWh6LlnIrv0qIqkCF ”↵},
“href”:“ https://api.spotify.com/v1/albums/4YvdAtWh6LlnIrv0qIqkCF ”,“id”:“4YvdAtWh6LlnIrv0qIqkCF”,“images”:[{“height:640”,url: “ https://i.scdn.co/image/411d254a0e46f509dda22f58d699782f16f7bd44”,↵
“width”:640↵},{“height”:300,“url”:“ https://i.scdn.co/image/982b3b7c3ad3e81aed9e0475da07894262f93923 ”,↵
“width”:300↵},{“height”:64,“url”:“ https://i.scdn.co/image/e4a25681c1163b349ff71b464d2cfc8fda089d58 ”,↵
“width”:64↵}],↵“name”:“No One's First,You're Next”,“type”:“album”,“uri”:“spotify:album:4YvdAtWh6LlnIrv0qIqkCF”↵}, ↵“artists”:[{“external_urls”:{“spotify”:“ https://open.spotify.com/artist/1yAwtBaoHLEDWAnWR87hBT ”↵},↵
“href”:“ https://api.spotify.com/v1/artists/1yAwtBaoHLEDWAnWR87hBT ”,↵“id”:“1yAwtBaoHLEDWAnWR87hBT”,↵“name”:“Modest Mouse”,↵
“type”:“artist”,“uri”:“spotify:artist:1yAwtBaoHLEDWAnWR87hBT”↵}],“available_markets”:[“AD”,“AR”,“AT”,“AU”,“BE”, “BG”“BO”“BR”“CA”“CH”“CL”“CO”“CR”“CY”“CZ”“DE”“DK”“DO” EC,EE,ES,FI,FR,GB,GR,GT,HK,HN,HU,ID, “IE”“IS”“IT”“JP”“LI”“LT”“LU”“LV”“MC”“MT”“MX”“我的”“NI” “NL”“NO”“NZ”“PA”“PE”“PH”“PL”“PT”“PY”“SE”“SG”“SK” “SV”,“TR”,“TW”,“US”,“UY”],“disc_number”:“duration_ms”:330573,“explicit”:false,external_ids:{“ isrc“:”USSM10700655“↵},”external_urls“:{”spotify“:” https://open.spotify.com/track/6Z3pIqEp5n5faSopwto0tB “↵},”href“:” https:// api。 “preview”:“ https://p.scdn.com/ ”/“/”/“/”/“/”/“/>” .co / mp3-preview / 037294fdd97c94bebf14e7ec1b1fb2c0a1986adc “,”track_number“:7,”type“:”track“,”uri“ :“spotify:track:6Z3pIqEp5n5faSopwto0tB”↵}“

下面是答案的截图,以防万一会让我的问题更清楚。

在这里输入图像描述

改变身体回应

 request('https://api.spotify.com/v1/tracks/' + songLinks[i].split(":").pop(), function(error, response, body) { tracks.push(JSON.parse(body)); });