[英]Uncaught SyntaxError: Unexpected token : from OpenLibrary api response
I'm attempting to pull JSON data from openlibrary using AngularJS's $http. 我正在尝试使用AngularJS的$ http从openlibrary中提取JSON数据。 I'm using the ISBN 1560761164
我正在使用ISBN 1560761164
Here is the code. 这是代码。
$scope.fetch = function(isbn) {
$scope.method = 'JSONP';
$scope.url = "http://openlibrary.org/search.json?isbn=";
$http({method: $scope.method, url: $scope.url + isbn + "&callback=JSON_CALLBACK"}).
success(function(data, status) {
$scope.status = status;
$scope.data = data;
}).
error(function(data, status) {
$scope.data = data;
$scope.status = status;
});
}; };
I end up getting the following error in search.json 我最终在search.json中收到以下错误
Uncaught SyntaxError: Unexpected token :
I'm really not sure why it's dying in this context, I tried removing the P from JSONP (hoping that it would reply correctly) but I got a 404 response, and it didn't seem to work (happy to be corrected on that one). 我真的不确定为什么在这种情况下会死掉,我尝试从JSONP中删除P(希望它可以正确答复),但是我得到了404响应,而且似乎没有用(很高兴对此进行纠正)一)。
This is the contents of search.json (in the developer console): 这是search.json的内容(在开发人员控制台中):
{
"start": 0,
"num_found": 2,
"numFound": 2,
"docs": [
{
"title_suggest": "Dark heart",
"edition_key": [
"OL24911358M"
],
"isbn": [
"1560761164",
"9781560761167"
],
"has_fulltext": false,
"text": [
"OL24911358M",
"1560761164",
"9781560761167",
"Tina Daniell",
"Copyright Paperback Collection (Library of Congress)",
"25151948",
"OL776411A",
"American Fantasy fiction",
"Dark heart",
"OL16007376W",
"Tina Daniell",
"TSR Inc.",
"90071496"
],
"author_name": [
"Tina Daniell"
],
"oclc": [
"25151948"
],
"contributor": [
"Copyright Paperback Collection (Library of Congress)"
],
"author_key": [
"OL776411A"
],
"subject": [
"American Fantasy fiction"
],
"title": "Dark heart",
"publish_date": [
"1992"
],
"ebook_count_i": 0,
"publish_place": [
"Lake Geneva, WI"
],
"edition_count": 1,
"key": "OL16007376W",
"publisher": [
"TSR Inc."
],
"language": [
"eng"
],
"lccn": [
"90071496"
],
"last_modified_i": 1312010687,
"publish_year": [
1992
],
"first_publish_year": 1992
},
{
"title_suggest": "Dark Heart (Dragonlance: The Meetings Sextet, Vol. 3)",
"edition_key": [
"OL8617758M"
],
"cover_i": 790919,
"isbn": [
"1560761164",
"9781560761167"
],
"has_fulltext": true,
"text": [
"OL8617758M",
"1560761164",
"9781560761167",
"Tina Daniell",
"darkheart00dani",
"OL776411A",
"Accessible book",
"American Fantasy fiction",
"In library",
"Protected DAISY",
"Dark Heart (Dragonlance: The Meetings Sextet, Vol. 3)",
"OL4132436W",
"Wizards of the Coast",
"KitiaRa Uth MataR stood iN thE shadE of a loNE oak on a small rise that overlooked a shallow valley."
],
"author_name": [
"Tina Daniell"
],
"ia": [
"darkheart00dani"
],
"author_key": [
"OL776411A"
],
"subject": [
"Accessible book",
"American Fantasy fiction",
"In library",
"Protected DAISY"
],
"title": "Dark Heart (Dragonlance: The Meetings Sextet, Vol. 3)",
"ia_collection_s": "printdisabled;inlibrary;browserlending;americana;internetarchivebooks",
"printdisabled_s": "OL8617758M",
"ebook_count_i": 1,
"ia_box_id": [
"IA127609"
],
"edition_count": 1,
"first_publish_year": 1992,
"key": "OL4132436W",
"id_goodreads": [
"92908"
],
"public_scan_b": false,
"publisher": [
"Wizards of the Coast"
],
"language": [
"eng"
],
"last_modified_i": 1340764985,
"lending_edition_s": "OL8617758M",
"id_librarything": [
"193011"
],
"cover_edition_key": "OL8617758M",
"first_sentence": [
"KitiaRa Uth MataR stood iN thE shadE of a loNE oak on a small rise that overlooked a shallow valley."
],
"publish_year": [
1992
],
"publish_date": [
"January 1, 1992"
]
}
]
}
Does anyone have any suggestions for pulling this data from a clientside application without having to deal with a backend? 有没有人有任何建议从客户端应用程序中提取此数据而无需处理后端?
EDIT: Here is the link to the api of the call. 编辑:这是调用API的链接。 https://openlibrary.org/dev/docs/api/search
https://openlibrary.org/dev/docs/api/search
The URL format for API is simple.
API的URL格式很简单。 Take the search URL and replace /search with /search.json.
获取搜索URL,并将/ search替换为/search.json。
http://openlibrary.org/search?q=the+lord+of+the+rings
http://openlibrary.org/search?q=the+lord+of+the+rings
http://openlibrary.org/search?title=the+lord+of+the+rings
http://openlibrary.org/search?title=the+lord+of+the+rings
http://openlibrary.org/search.json?author=tolkien
http://openlibrary.org/search.json?author=tolkien
http://openlibrary.org/search?q=the+lord+of+the+rings&page=2
http://openlibrary.org/search?q=the+lord+of+the+rings&page=2
I guess it doesn't explicitly state isbn, but the data returns correctly if you visit the URL it'll actually show a valid JSON object I just can't seem to "retrieve" it for some reason. 我猜它没有显式声明isbn,但是如果您访问URL,数据将正确返回,它实际上会显示一个有效的JSON对象,出于某种原因,我似乎无法“检索”该对象。
Example Working URL that fails: 失败的示例工作URL:
http://openlibrary.org/search.json?isbn=1560761164&callback=angular.callbacks._0
http://openlibrary.org/search.json?isbn=1560761164&callback=angular.callbacks._0
Additional Info: 附加信息:
Calling it without the JSONP and just using JSON as the Method I get the following Console Errors: 在不使用JSONP且仅使用JSON作为方法的情况下调用它时,出现以下控制台错误:
OPTIONS http://openlibrary.org/search.json?isbn=1560761164 405 (Method Not Allowed) angular.js:7962
选项http://openlibrary.org/search.json?isbn=1560761164 405(不允许使用方法)angular.js:7962
XMLHttpRequest cannot load http://openlibrary.org/search.json?isbn=1560761164 .
XMLHttpRequest无法加载http://openlibrary.org/search.json?isbn=1560761164 。 No 'Access-Control-Allow-Origin' header is present on the requested resource.
所请求的资源上没有“ Access-Control-Allow-Origin”标头。 Origin 'null' is therefore not allowed access.
因此,不允许访问原始“空”。
This is the JSON request headers: 这是JSON请求标头:
OPTIONS /search.json?isbn=1560761164 HTTP/1.1
Host: openlibrary.org
Connection: keep-alive
Cache-Control: no-cache
Access-Control-Request-Method: JSON
Pragma: no-cache
Origin: null
User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.114 Safari/537.36
Access-Control-Request-Headers: accept
Accept: */*
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8
and response: 和回应:
HTTP/1.1 405 Method Not Allowed
Server: nginx/0.8.54
Date: Wed, 11 Jun 2014 23:31:10 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Allow: GET, HEAD, POST, PUT, DELETE
X-OL-Stats: ""
Connection: Keep-Alive
Here are the JSONP request headers: 以下是JSONP请求标头:
GET /search.json?isbn=1560761164&callback=angular.callbacks._0 HTTP/1.1
Host: openlibrary.org
Connection: keep-alive
Cache-Control: no-cache
Accept: */*
Pragma: no-cache
User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.114 Safari/537.36
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8
Cookie: session="/people/onaclov2000%2C2014-06-02T20%3A09%3A47%2C350bc%2428943338f8cbec882f19b2851f81ae1e"
and response: 和回应:
HT H T
TP/1.1 200 OK
Server: nginx/0.8.54
Date: Wed, 11 Jun 2014 23:32:27 GMT
Transfer-Encoding: chunked
X-OL-Stats: "IB 1 0.008 MC 1 0.001 SR 1 0.075 TT 0 0.091"
Connection: Keep-Alive
Solution: Get ahold of the developers of the website and request CORS to be available (or JSONP). 解决方案:与网站开发人员联系,并要求CORS可用(或JSONP)。
Took me a bit, but I did discover that I couldn't call JSON, I had to use GET 有点麻烦,但我确实发现我无法调用JSON,我不得不使用GET
I looked at the response header and saw this which lead me to the GET side of things instead of JSON: Notice it says Allow Method Get,Options <-- This is what indicated GET was allowed not JSON. 我查看了响应标头,发现它使我进入了GET方面而不是JSON:注意,它说Allow方法Get,Options <-这表明GET不允许使用JSON。
HTTP/1.1 200 OK
Server: nginx/0.8.54
Date: Fri, 13 Jun 2014 13:08:19 GMT
Transfer-Encoding: chunked
Access-Control-Allow-Origin: *
Access-Control-Allow-Method: GET, OPTIONS
Access-Control-Max-Age: 86400
Connection: Keep-Alive
Once I did that, here is what I used (I literally looked all over and just pulled stuff together till I figured it out). 一旦这样做,这就是我所使用的(我从头到尾看了看,只是把东西拉到一起,直到我弄清楚了)。
<script>
var app = angular.module("myapp", []);
app.config(function($httpProvider) {
//Enable cross domain calls
$httpProvider.defaults.useXDomain = true;
delete $httpProvider.defaults.headers.common['X-Requested-With'];
$httpProvider.defaults.headers.post["Content-Type"] = "application/x-www-form-urlencoded";
});
function MyController($scope, $http) {
$scope.fetch = function(isbn) {
$scope.method = 'GET';
$scope.url = "http://openlibrary.org/search.json?isbn=";
$http({method: $scope.method, url: $scope.url + isbn
}).
success(function(data, status) {
$scope.status = status;
$scope.data = data;
}).
error(function(data, status) {
$scope.data = data;
$scope.status = status;
});
};
}
</script>
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