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我想解析json來獲取一些數據，但我不能解析json如何解析json從返回的json中獲取最新的圖片。以下是我的代碼。我正在使用Facebook圖形API來獲取nodejs中的數據。我怎麼能解析json響應從facebook圖表api在node.js
var params = {
hostname: 'graph.facebook.com',
port: 443,
path: '/' + 'abc' + '/posts?limit=1&access_token=' + access_token,
method: 'GET'
};
https.get(params, function (response) {
response.setEncoding("utf8");
var str;
response.on('data', function (chunk) {
str += chunk;
});
response.on('end', function() {
let parsedJSON = JSON.parse(JSON.stringify(str.replace('undefined','')));
console.log(parsedJSON)
});
//response.on("error", callback);
});
下面是JSON返回
{"data":[{"id":"59894622407_10154329906162408","from":{"name":"test","category":"Musician\/Band","id":"59894622407"},"story":"test added a new photo.","story_tags":{"0
":[{"id":"59894622407","name":"test","type":"page","offset":0,"length":13}]},"picture":"https:\/\/fb-s-b-a.akamaihd.net\/h-ak-xfp1\/v\/t1.0-0\/s130x130\/15355780_10154329906162
408_5875132517762157349_n.jpg?oh=8073a90ae0875087526d7df17026c6d6&oe=58EBC355&__gda__=1492252529_3be752b46923ec57756a10aac0ed7d00","link":"https:\/\/www.facebook.com\/steveangello\/phot
os\/a.94880267407.90862.59894622407\/10154329906162408\/?type=3","name":"Timeline Photos","icon":"https:\/\/www.facebook.com\/images\/icons\/photo.gif","actions":[{"name":"Comment","lin
k":"https:\/\/www.facebook.com\/59894622407\/posts\/10154329906162408"},{"name":"Like","link":"https:\/\/www.facebook.com\/59894622407\/posts\/10154329906162408"}],"privacy":{"value":""
,"description":"","friends":"","allow":"","deny":""},"type":"photo","status_type":"added_photos","object_id":"10154329906162408","created_time":"2016-12-06T21:53:59+0000","updated_time"
:"2016-12-08T05:12:50+0000","shares":{"count":23},"is_hidden":false,"is_expired":false,"likes":{"data":[{"id":"501151263322971","name":"Rodrigo Souza"},{"id":"768894736480072","name":"S
abrina Nowak"},{"id":"476977029122705","name":"Lucas Jorge"},{"id":"1066686763428275","name":"Joel Tortoza"},{"id":"978618302155232","name":"Fredrik Ekman"},{"id":"825511184211089","nam
e":"Claudia Melany"},{"id":"20","name":"Elroy Menezes"},{"id":"10152441945281893","name":"David Felipe Cubides"},{"id":"256367567906848","name":"\u5f35\u5bb6\u8c6a"},{"id":
"618659598264403","name":"Emmanuel Flores Aguilar"},{"id":"721050467990702","name":"M\u00e1rk Vincze"},{"id":"296467763880099","name":"Diego Acevedo"},{"id":"311139792427594","name":"Sa
brina Ferreira"},{"id":"10202154736205366","name":"Daniel Serrano"},{"id":"286221065099212","name":"Sagar Sagar"},{"id":"764516163614845","name":"Jorge Alfaro"},{"id":"1516694278612817"
,"name":"Ana Jovic"},{"id":"1043994228959517","name":"\u856d\u6631\u8343"},{"id":"1557743521105543","name":"Anurag Joseph"},{"id":"690230501048923","name":"K\u00eania Kalaary"},{"id":"1
524631327785338","name":"Briggit Briggit Lama"},{"id":"1521742991374262","name":"Welliton Hedfors"},{"id":"514876388649091","name":"Diego Mu\u00f1oz Aravena"},{"id":"10204325398916739",
"name":"Soledad Mendez"},{"id":"1441328976182536","name":"Rahmouni Naim"}],"paging":{"cursors":{"before":"NTAxMTUxMjYzMzIyOTcx","after":"MTQ0MTMyODk3NjE4MjUzNgZDZD"},"next":"https:\/\/g
raph.facebook.com\/v2.2\/59894622407_10154329906162408\/likes?access_token=EAACEdEose0cBANTYM3rlcZAFmfpoXBtde2qTs8RlXlu18JoLANzBZBAr1kRiBhS4ukg9sPAdZAIQgZCzGaOAA3fKrcZBvpdFihFZAqOdpCDGE
GkyIoXOKxn3lZBFbUk6TKDKZCPemqjsu2HpIEUSsiRGZCSAeWzwsdAsC46nsxZALItwZDZD&limit=25&after=MTQ0MTMyODk3NjE4MjUzNgZDZD"}},"comments":{"data":[{"created_time":"2016-12-07T00:19:54+0000","from
":{"name":"Jimmy Gillis","id":"504369689666766"},"message":"Guys. SHM isn't coming back. It's called reflecting back on your career. Look it up. As for people saying White Label, I thou
ght that was Still Young. Or is it a collab and I'm just out of the loop. Lol!","can_remove":false,"like_count":11,"user_likes":false,"id":"10154329906162408_10154330237617408"},{"creat
ed_time":"2016-12-07T05:55:51+0000","from":{"name":"Dim Mak","id":"340370722809278"},"message":"I'de love if they make reunion SHM & the world will be happy place once again but i'm not
quite sur bcs \/\\ haven't post something about this nor steve","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_10154330974057408"},{"created_time":"2016-1
2-06T22:13:49+0000","from":{"name":"Giancarlo Barbosa","id":"564134713695108"},"message":"Swedish House Mafia RETURNS!!!\nOMG!!!","can_remove":false,"like_count":45,"user_likes":false,"
id":"10154329906162408_10154329944297408"},{"created_time":"2016-12-07T13:06:34+0000","from":{"name":"Sabrina Gabriela","id":"686255621457347"},"message":"Que neblina \u00e9 essa gente?
Algu\u00e9m me explica o que t\u00e1 acontecendo?! \ud83d\ude32","can_remove":false,"like_count":1,"user_likes":false,"id":"10154329906162408_10154331845117408"},{"created_time":"2016-
12-06T22:20:31+0000","from":{"name":"Fran Diaz","id":"967432759953559"},"message":"withe label?","can_remove":false,"like_count":8,"user_likes":false,"id":"10154329906162408_10154329954
867408"},{"created_time":"2016-12-06T23:26:28+0000","from":{"name":"Vinicius Nunes","id":"2084163351809122"},"message":"I loved so much #SHM","can_remove":false,"like_count":1,"user_lik
es":false,"id":"10154329906162408_10154330113592408"},{"created_time":"2016-12-06T23:30:41+0000","from":{"name":"Cleusa Helena","id":"335130179972664"},"message":"QUE MURAL QUE LINHA DO
TEMPO MAGN\u00cdFICA, EU AMEI ISSO.","can_remove":false,"like_count":1,"user_likes":false,"id":"10154329906162408_10154330122782408"},{"created_time":"2016-12-06T22:02:07+0000","from":
{"name":"Michele Rodrigues","id":"848822195130984"},"message":"BRAS\u00cdLIA \u2764","can_remove":false,"like_count":4,"user_likes":false,"id":"10154329906162408_10154329922912408"},{"c
reated_time":"2016-12-06T22:05:36+0000","from":{"name":"Marco Fienco","id":"692199097509216"},"message":"I'm starting to understand....","can_remove":false,"like_count":3,"user_likes":f
alse,"id":"10154329906162408_10154329930312408"},{"created_time":"2016-12-07T01:36:28+0000","from":{"name":"Trishant Bhatt","id":"4696493828520"},"message":"Almost Human. Can't wait Ste
ve!","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_10154330409822408"},{"created_time":"2016-12-06T21:58:39+0000","from":{"name":"Aldo Roaro","id":"717976
528280233"},"message":"What is going on?","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_10154329916492408"},{"created_time":"2016-12-07T11:08:33+0000","fr
om":{"name":"Alexander Kuhn","id":"454646201305234"},"message":"'Steve Trollangello'","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_10154331577647408"},{"
created_time":"2016-12-06T22:01:50+0000","from":{"name":"Bruno Coelho","id":"755657994474120"},"message":"Carreira a desaparecer?","can_remove":false,"like_count":2,"user_likes":false,"
id":"10154329906162408_10154329922467408"},{"created_time":"2016-12-07T06:12:24+0000","from":{"name":"\u00c7h\u00e9raz Angello","id":"118651871902126"},"message":"What's going on :\/
!_! ???","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_10154331005852408"},{"created_time":"2016-12-06T22:08:16+0000","from":{"name":"Laura Gologan","id":
"10203620871024076"},"message":"can't wait","can_remove":false,"like_count":1,"user_likes":false,"id":"10154329906162408_10154329935232408"},{"created_time":"2016-12-07T00:48:27+0000","
from":{"name":"Marco Marangoni","id":"891858470894475"},"message":"White label? =D","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_10154330283677408"},{"cr
eated_time":"2016-12-06T23:01:42+0000","from":{"name":"Javier Niebla","id":"865397846832235"},"message":"AMAZING","can_remove":false,"like_count":1,"user_likes":false,"id":"101543299061
62408_10154330062432408"},{"created_time":"2016-12-06T22:28:41+0000","from":{"name":"Dilan Rodrigo","id":"1477988185861301"},"message":"ya no habra mas musica :(","can_remove":false,"li
ke_count":0,"user_likes":false,"id":"10154329906162408_10154329974492408"},{"created_time":"2016-12-06T22:09:12+0000","from":{"name":"Adri\u00e1n Chrzan","id":"4724407563694"},"message"
:"white label \ud83d\ude4f\ud83c\udffc\ud83d\ude4f\ud83c\udffc\ud83d\ude4f\ud83c\udffc\ud83d\ude4f\ud83c\udffc","can_remove":false,"like_count":1,"user_likes":false,"id":"10154329906162
408_10154329936932408"},{"created_time":"2016-12-07T00:53:07+0000","from":{"name":"Emiliano Silva Hern\u00e1ndez","id":"745195662243453"},"message":"SHM!!!!! \u003C3","can_remove":false
,"like_count":1,"user_likes":false,"id":"10154329906162408_10154330290162408"},{"created_time":"2016-12-06T22:02:11+0000","from":{"name":"Fernando Vera","id":"1271443652870442"},"messag
e":"White label? Maybe","can_remove":false,"like_count":1,"user_likes":false,"id":"10154329906162408_10154329923012408"},{"created_time":"2016-12-08T05:12:50+0000","from":{"name":"David
Bracelis","id":"10152315489805743"},"message":"Q q eh isso mw","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_10154334802627408"},{"created_time":"2016-12
-06T22:00:13+0000","from":{"name":"Shk\u00eblqim Bajrami","id":"698371730197942"},"message":"\ud83d\udc4c","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_1
0154329919727408"},{"created_time":"2016-12-06T23:00:37+0000","from":{"name":"\u041c\u0430\u0440\u043b\u043e\u043d \u0421\u043b\u0443\u0448\u0430\u0439","id":"1395778260740376"},"messag
e":":)","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_10154330061082408"},{"created_time":"2016-12-07T04:09:26+0000","from":{"name":"KYAMI","category":"Pr
oducer","id":"1153026888082927"},"message":"Mindblowing idea! Can't wait to see the results \ud83d\ude03","can_remove":false,"like_count":0,"user_likes":false,"id":"10154329906162408_10
154330732562408"}],"paging":{"cursors":{"before":"NDAZD","after":"MTYZD"},"next":"https:\/\/graph.facebook.com\/v2.2\/59894622407_10154329906162408\/comments?access_token=EAACEdEose0cBA
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由於它的工作中提取數據:)我指出錯誤 –