ember数据没有找到属性名称的模型 [英] ember data no model was found for attribute name
问题描述
我已经定义了一个模型(app / models / job.js)
I have defined a model(app/models/job.js)
import DS from 'ember-data';
export default DS.Model.extend({
status: DS.attr(),
result: DS.attr()
});
我正在尝试从索引控制器(app / controllers / index.js)加载它
And I am trying to load it from the index controller(app/controllers/index.js)
import Ember from 'ember';
export default Ember.Controller.extend({
productName: "",
customerName: "",
startDate: "",
endDate: "",
actions: {
search: function() {
let data = this.store.find("job", '9e5ce869-89b3-4bfc-a70f-034593c21eae');
return data;
}
}
});
我得到的HTTP响应是:
The HTTP response I get is:
{
"status": "OK",
"result": {
"b": 2,
"a": 2,
"see": 1,
"c": 1
}
}
如何得到以下错误和警告:
How ever I get following error and warning:
WARNING: Encountered "status" in payload, but no model was found for model name "status" (resolved model name using next-gen-analytics@serializer:job:.modelNameFromPayloadKey("status"))
WARNING: Encountered "result" in payload, but no model was found for model name "result" (resolved model name using next-gen-analytics@serializer:job:.modelNameFromPayloadKey("result"))
TypeError: Cannot read property '_internalModel' of undefined
at finders.js:50
at Object.Backburner.run (ember.debug.js:224)
at ember$data$lib$system$store$$Service.extend._adapterRun (store.js:2043)
at finders.js:45
at tryCatch (ember.debug.js:56151)
at invokeCallback (ember.debug.js:56166)
at publish (ember.debug.js:56134)
at ember.debug.js:32577
at Queue.invoke (ember.debug.js:910)
at Object.Queue.flush (ember.debug.js:974)onerrorDefault @ ember.debug.js:32616exports.default.trigger @ ember.debug.js:56792Promise._onerror @ ember.debug.js:57758publishRejection @ ember.debug.js:56065(anonymous function) @ ember.debug.js:32577Queue.invoke @ ember.debug.js:910Queue.flush @ ember.debug.js:974DeferredActionQueues.flush @ ember.debug.js:770Backburner.end @ ember.debug.js:160Backburner.run @ ember.debug.js:228run @ ember.debug.js:20238ember$data$lib$system$adapter$$default.extend.ajax.Ember.RSVP.Promise.hash.success @ rest-adapter.js:831jQuery.Callbacks.fire @ jquery.js:3148jQuery.Callbacks.self.fireWith @ jquery.js:3260done @ jquery.js:9314jQuery.ajaxTransport.send.callback @ jquery.js:9718
任何建议将不胜感激
更新
我以为这是一个bug,所以我继续在ember-data github repo上记录一个bug,在一个小时左右的时间内得到了@wecc的回复( NICE )
https://github.com/emberjs/data/issues/3683
所以要解决这个问题,我写了自己的序列化程序。
So to fix this issue, I wrote my own serializer.
import DS from 'ember-data';
export default DS.RESTSerializer.extend({
normalizePayload: function(payload) {
return {
'job': {
id: '9e5ce869-89b3-4bfc-a70f-034593c21eae',
status: payload.status,
result: payload.result
}
};
}
});
现在,它开始工作。
OPINION 我可以想到为什么他们以这种方式实现了默认的RESTSerializer,但是我们可能应该向用户提供有关ember数据文档的更多信息,否则,新手谁正在尝试使用它将丢失。
OPINION I can think of why they implemented the default RESTSerializer this way, but we probably should give more information to the users on the documentation of the ember-data, otherwise, newbie who is trying to use it will get lost.
推荐答案
1)您的服务器响应应该具有与模型相同名称的根元素。所以,对于单个对象,它应该是:
1) Your server response should have a root element with the same name, as model's. So, for single object it shuld be:
{
"job": {
"id": "<backend must provide an id, integer preferred>"
"status": "OK",
"result": {
"b": 2,
"a": 2,
"see": 1,
"c": 1
}
}
对于多个对象:
{
"jobs": [{
"id": "<backend must provide an id, integer preferred>"
"status": "OK",
"result": {
"b": 2,
"a": 2,
"see": 1,
"c": 1
}, {/*next object*/}]
}
这篇关于ember数据没有找到属性名称的模型的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!