jsonp | 易学教程

Single sign-on, multiple domains on same server, ruby on rails

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问题 If I have a single server with multiple domains, what is the preferred method for implementing a single-sign-on solution on the same domain. I am currently using devise, have a few million cookies in place on separate domains, and am stuck. On top of just implementing SSO, I also need to migrate the various cookies to a central domain. Regarding the various servers, they only have one single page that requires me to show different states depending on whether or not the user is logged in. I

jQuery JSONP not calling the callback

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问题 I am having some problem with jsonp and jquery. This is my code - var myCallback = function(data) { console.log(data); }; $.ajax({ url: my_url, type: 'GET', dataType: 'jsonp', jsonp: 'callback', jsonpCallback: 'myCallback' }); jQuery adds something like ?callback=myCallback&_=1340513330866 to my_url and the data returned from my_url is myCallback('abcd') - although in reality it will be returning some HTML code instead of the abcd . Problem: abcd is not logged in console through myCallback .

Custom box with autocomplete from Google/Bing. Is there any way to read the received json file?

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问题 I try to build a webpage with a search box. I want to take the autocomplete options from Bing (for example). It is possible to get the autocomplete from bing by: http://api.bing.com/osjson.aspx?query=YOUR_QUERY I wrote some code with an autocomplete widget, asking to get the json as jsonp, and I succeed to see (in Fiddler) that the json arrives. But because it arrives only as a json, and not in the required format, I get parseError. (I saw it in the error function. The success function is not

vue 使用 jsonp

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使用jsonp 下载 jsonp cnpm install vue-jsonp --save main.js 中： import Vue from 'vue' import VueJsonp from 'vue-jsonp' Vue.use(VueJsonp) 使用： this.$jsonp(url, {callbackName: 'getJson'}).then(data => { console.log("data"); console.log(data); }).catch(err => { console.log("err"); console.log(err); }) callbackName 是约定好的回调函数的名称来源： oschina 链接： https://my.oschina.net/xiaohuai4869/blog/3139128

ServiceStack - Using gzip/deflate compression with JSONP requests

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问题 I have a ServiceStack service that compresses the response using RequestContext.ToOptimizedResult() , e.g.: [Route("/numbers/search")] public class FindNumbers { } public object Get(FindNumbers query) { var data = new List<string> { "One", "Two", "Three" }; return RequestContext.ToOptimizedResult(data); } This works perfectly when issuing a request like: GET http://myhost:13487/numbers/search.json And is compressed as expected with the Accept-Encoding request header: Accept-Encoding: gzip

“NS_ERROR_DOM_BAD_URI: Access to restricted URI denied”

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问题 I have an html-file with several d3-graphs directly written in script tags into it. When I outsource one of the graphs into an external js file I get this message "NS_ERROR_DOM_BAD_URI: Access to restricted URI denied". If I delete the code with d3.json where it reads a local json file the error disappears. But it has to be possible to load a json file in an external js which is embedded into an html, right? d3.json("forcetree.json", function(json) { root = json; update(); }); 回答1: I was

Cross domain jquery ajax (Jsonp): Uncaught SyntaxError: Unexpected token : (colon)

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问题 I've been trying to pull data from the steam api, and have had no luck because I always get the above error. Here is the code I am using: var steamurl = "https://api.steampowered.com/IDOTA2Match_570/GetMatchHistory/V001/?key=[keyomitted]&account_id=38440257&Matches_Requested=10"; function populate_api(){ var json; $.ajax({ 'url': steamurl, 'dataType': "jsonp", 'success': function (data) { alert('success'); json = data; } }); } I omitted my API key. I have looked at many other posts, and

how can I add a JSONP endpoing for WCF Ria Services to enable cross-domain calls?

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I'm aware that WCF RIA Services has a Microsoft.ServiceModel.DomainServices.Hosting.JsonEndpointFactory that I can use to enable JSON. I need to enable cross-domain calls via JSONP. Is there an existing DomainServiceEndpointFactory that will accomplish this? I just needed to do this - I overrode JsonEndpointFactory and tinkered with the binding in there, then added an endpoint using the new class. namespace Bodge { public class JsonPEndpointFactory : JsonEndpointFactory { public override IEnumerable<ServiceEndpoint> CreateEndpoints(DomainServiceDescription description, DomainServiceHost

I cannot stop an ajax request using jQuery and abort() function

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问题 My jQuery is below: var x = $.ajax({ dataType: "jsonp", url: "https://ajax.googleapis.com/ajax/services/search/images?q=google&v=1.0", success: function(msg){ alert( "Jsonp data: " + msg ); } }); alert(x); // x is undefined // x.abort() You can try this code here: http://jsbin.com/iyile3/2/edit I want stop this ajax request and stop this ajax request's success function. But what I get is that "x" is undefined , I think I doesn't stop this ajax request and its success function. So can

js 对象 / json / jsonb / jsonp 区别

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一、JSON vs JS 对象 1、区别区别 Javascript 对象 Json 含义对象的实例一种数据格式（序列化格式）传输不能传输可以跨平台传输，轻量级格式 1.键不加引号、加单引号、双引号都行 2.值可以是函数、对象、字符串、数字、boolean 等 1. 键必须得加双引号 2. 值不能为函数/undefined/NaN 注：序列化格式：早期有 XML，后来基于 javascript 诞生了更轻量的 JSON，再后来还有YAML。针对于科学使用的大量数据集合，例如气候，海洋模型和卫星数据，开发了特定的二进制序列化标准，例如HDF，netCDF和较旧的GRIB。 2、序列化（1）序列化操作正序列化 - JSON.stringify() 反序列化 - JSON.parse() 、（不推荐）eval() // 初始化 JS 对象 var obj_origin = { a: 1, b: "2", 'c': 3 } console.log(obj_origin) // { a: 1, b: '2', c: 3 } // 正序列化 var objStr = JSON.stringify(obj_origin) console.log(objStr) // {"a":1,"b":"2","c":3} // 反序列化 var obj = JSON.parse