[英]Not getting the required ASP.Net web API method while calling from Angular
[英]Calling HTTP method GET from an ASP.NET Web API using Ember
我正在ASP.NET中构建一个API,并且试图用Ember来调用它……我现在想要开始工作的是简单的GET(查找全部)。
postman的输出(用于测试API的chrome扩展)给了我:
[
{
"Id": 1,
"Name": "psilva",
"Project": "a",
"Objectives": "s",
"City": "a",
"Country": "s",
"EventStart": "2015-02-06T11:06:23.673",
"Departure": "2015-02-06T11:06:23.673",
"Arrival": "2015-02-06T11:06:23.673",
"Registration": "a",
"NationalTransportation": "a",
"Accommodation": "a",
"AcNumberNights": 1,
"AcPreferHotel": "a",
"AcPreferHotelUrl": "a",
"Flight": "a",
"FlDeparture": "2015-02-06T11:06:23.673",
"FlDepartPrefer": "a",
"FlDepartPreferUrl": "a",
"FlReturn": "2015-02-06T11:06:23.673",
"FlRetPrefer": "a",
"FlRetPreferUrl": "a",
"Notes": "a",
"Files": "a",
"Status": "a"
},
{
"Id": 2,
"Name": "psilva",
"Project": "a",
"Objectives": "s",
"City": "a",
"Country": "s",
"EventStart": "2015-02-06T11:06:23.673",
"Departure": "2015-02-06T11:06:23.673",
"Arrival": "2015-02-06T11:06:23.673",
"Registration": "a",
"NationalTransportation": "a",
"Accommodation": "a",
"AcNumberNights": 1,
"AcPreferHotel": "a",
"AcPreferHotelUrl": "a",
"Flight": "a",
"FlDeparture": "2015-02-06T11:06:23.673",
"FlDepartPrefer": "a",
"FlDepartPreferUrl": "a",
"FlReturn": "2015-02-06T11:06:23.673",
"FlRetPrefer": "a",
"FlRetPreferUrl": "a",
"Notes": "a",
"Files": "a",
"Status": "a"
},
{
"Id": 3,
"Name": "psilva",
"Project": "a",
"Objectives": "s",
"City": "a",
"Country": "s",
"EventStart": "2015-02-06T11:06:23.673",
"Departure": "2015-02-06T11:06:23.673",
"Arrival": "2015-02-06T11:06:23.673",
"Registration": "a",
"NationalTransportation": "a",
"Accommodation": "a",
"AcNumberNights": 1,
"AcPreferHotel": "a",
"AcPreferHotelUrl": "a",
"Flight": "a",
"FlDeparture": "2015-02-06T11:06:23.673",
"FlDepartPrefer": "a",
"FlDepartPreferUrl": "a",
"FlReturn": "2015-02-06T11:06:23.673",
"FlRetPrefer": "a",
"FlRetPreferUrl": "a",
"Notes": "a",
"Files": "a",
"Status": "a"
},
{
"Id": 5,
"Name": "psilva",
"Project": "a",
"Objectives": "s",
"City": "a",
"Country": "s",
"EventStart": "2015-02-06T11:06:23.673",
"Departure": "2015-02-06T11:06:23.673",
"Arrival": "2015-02-06T11:06:23.673",
"Registration": "a",
"NationalTransportation": "a",
"Accommodation": "a",
"AcNumberNights": 1,
"AcPreferHotel": "a",
"AcPreferHotelUrl": "a",
"Flight": "a",
"FlDeparture": "2015-02-06T11:06:23.673",
"FlDepartPrefer": "a",
"FlDepartPreferUrl": "a",
"FlReturn": "2015-02-06T11:06:23.673",
"FlRetPrefer": "a",
"FlRetPreferUrl": "a",
"Notes": "a",
"Files": "a",
"Status": "a"
}
]
这意味着该API正在运行,但是用Ember调用将返回空...我一直在阅读有关此内容,我认为我需要做的是调整Serializer和RESTAdapter,但是我不确定如何使用它。 。 有任何想法吗?
这是Ember代码:
模型:
App.Event = DS.Model.extend({
Id: DS.attr(),
Name: DS.attr('string'),
Project: DS.attr('string'),
Objectives: DS.attr('string'),
City: DS.attr('string'),
Country: DS.attr('string'),
EventStart: DS.attr('isodate'),
Departure: DS.attr('isodate'),
Arrival: DS.attr('isodate'),
Registration: DS.attr('string'),
NationalTransportation: DS.attr('string'),
Accommodation: DS.attr('string'),
AcNumberNights: DS.attr('number'),
AcPreferHotel: DS.attr('string'),
AcPreferHotelUrl: DS.attr('string'),
Flight: DS.attr('string'),
FlDeparture: DS.attr('isodate'),
FlDepartPrefer: DS.attr('string'),
FlDepartPreferUrl: DS.attr('string'),
FlReturn: DS.attr('isodate'),
FlRetPrefer: DS.attr('string'),
FlRetPreferUrl: DS.attr('string'),
Notes: DS.attr('string'),
Files: DS.attr('string'),
Status: DS.attr('string')
});
控制器:
App.EventsController = Ember.ArrayController.extend({});
路线:
App.Router.map(function () {
this.resource('sessions', function () {
this.route('logout');
this.route('login');
});
this.resource('help');
this.resource('events', function () {
this.route('list'),
this.route('new'),
this.route("event", { path: ":event_id" });
});
});
App.EventsNewRoute = Ember.Route.extend({
model: function (params) {
return this.store.createRecord('event', params);
}
});
App.EventsListRoute = Ember.Route.extend({
controllerName: 'events',
model: function () {
return this.store.find("event");
}
});
index.html的:
<script type="text/x-handlebars" data-template-name="events/list">
<section id="events">
<div class="container-fluid">
<div class="page-header">
<h1>Events Calendar</h1>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<h2 class="panel-title">Events</h2>
</div>
<div class="panel-body">
{{#each event in events}}
{{#link-to "events.event"}}
<p>{{Name}}</p>
{{/link-to}}
{{else}}
<h2>No Events</h2>
{{/each}}
</div>
</div>
</div>
</section>
</script>
我在邮递员中使用的网址是:
适配器:
App.ApplicationAdapter = DS.RESTAdapter.extend({
host: 'http://localhost:60590/',
namespace: 'api'
});
串行:
App.EventSerializer = DS.RESTSerializer.extend({
/* add root element on incoming json */
normalizePayload: function (payload) {
return {event: payload};
},
/* remove root element from outgoing json */
serializeIntoHash: function (hash, type, record, options) {
Ember.merge(record.get("data"), this.serialize(record, options));
Ember.merge(hash, record.get("data"));
}
});
运行时控制台上出现错误消息:
处理路线时出错:events.list断言失败:必须在传递给push
的哈希中包含App.Event的id
错误:断言失败:您必须在传递给push
的哈希中包含App.Event的id
我调试了它,发现api的响应在json中正确返回了,但是解串器无法正常工作。
如果你需要更多的信息,我真的需要尽快让这个工作,谢谢。
您应该使用序列化器。 尝试这样的事情:
App.EventSerializer = DS.RESTSerializer.extend({
normalizePayload: function(payload) {
return {
"event": payload
};
}
});
这应该可以帮助Ember了解event
模型在响应中的位置。
Ember默认采用的路径为:
GET /events
for`store.find('event') store.createRecord('event', params)
POST /events
然后,如果要更改它,您应该实现适配器:
App.EventAdapter = DS.RESTAdapter.extend({
namespace: '/api',
pathForType: function(type) {
return 'Events';
}
});
让我知道它是否有效:)
我强烈建议您让JSON响应返回哈希而不是数组。 我相信Ember的RESTAdapter
期望JSON响应如下所示:
{
"events": [
{
"Id": 1,
"Name": "psilva",
"Project": "a",
"Objectives": "s",
"City": "a",
"Country": "s",
...
主要优点是您可以侧载不同类型的记录,许多API最终会这样做以避免产生多个资源请求的开销,此外还要更明确地了解您的响应返回的确切内容。
发生的事情是后端的模型有一个以大写字母开头的属性,因为Ember被惯例使用,它在后端模型和前端模型之间没有正确连接。
将后端属性更改为camelCase解决了这个问题。
故事的道德,在与Ember合作时总是使用camelCase。
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