Javascript 无法设置属性';全部';未定义的
在我的Ember.JS应用程序中,从API获取响应时遇到问题。我使用“虚拟”只是为了学习Ember,我不想创建自己的后端() 每当我尝试导航到Javascript 无法设置属性';全部';未定义的,javascript,ember.js,ember-data,jsonserializer,Javascript,Ember.js,Ember Data,Jsonserializer,在我的Ember.JS应用程序中,从API获取响应时遇到问题。我使用“虚拟”只是为了学习Ember,我不想创建自己的后端() 每当我尝试导航到Posts模板时,都会出现以下错误: Error while processing route: posts Cannot read property 'all' of undefined TypeError: Cannot read property 'all' of undefined at App.PostsRoute.Ember.Route
Posts
模板时,都会出现以下错误:
Error while processing route: posts Cannot read property 'all' of undefined TypeError: Cannot read property 'all' of undefined
at App.PostsRoute.Ember.Route.extend.model (file:///C:/Users/staff-ch/Documents/ember/js/app.js:24:18)
at EmberObject.default.extend.deserialize (file:///C:/Users/staff-ch/Documents/ember/js/libs/ember-1.12.0.debug.js:22318:19)
at applyHook (file:///C:/Users/staff-ch/Documents/ember/js/libs/ember-1.12.0.debug.js:45113:32)
at Object.HandlerInfo.runSharedModelHook (file:///C:/Users/staff-ch/Documents/ember/js/libs/ember-1.12.0.debug.js:43114:22)
at Object.subclass.getModel (file:///C:/Users/staff-ch/Documents/ember/js/libs/ember-1.12.0.debug.js:43340:21)
at __exports__.bind (file:///C:/Users/staff-ch/Documents/ember/js/libs/ember-1.12.0.debug.js:44982:19)
at tryCatch (file:///C:/Users/staff-ch/Documents/ember/js/libs/ember-1.12.0.debug.js:45439:16)
at invokeCallback (file:///C:/Users/staff-ch/Documents/ember/js/libs/ember-1.12.0.debug.js:45451:17)
at publish (file:///C:/Users/staff-ch/Documents/ember/js/libs/ember-1.12.0.debug.js:45422:11)
at file:///C:/Users/staff-ch/Documents/ember/js/libs/ember-1.12.0.debug.js:26472:7
以下是相关代码:
App = Ember.Application.create();
App.ApplicationAdapter = DS.RESTAdapter.extend({
host: 'http://jsonplaceholder.typicode.com/'
})
App.Router.map(function() {
...
this.resource('posts');
});
App.Post = DS.Model.extend({
userId: DS.attr(),
title: DS.attr(),
body: DS.attr()
});
App.PostsRoute = Ember.Route.extend({
model: function(){
return DS.store.all('posts');
}
});
我怀疑这可能与返回的JSON格式有关,但我不确定,如果是这种情况,我也不确定如何修复它。很明显,我无法更改返回的JSON的格式,但是我知道有DS.RESTSerilaizer
,但我不确定如何使用它。答复的样本:
[
{
"userId": 1,
"id": 1,
"title": "sunt aut facere repellat provident occaecati excepturi optio reprehenderit",
"body": "quia et suscipit\nsuscipit recusandae consequuntur expedita et cum\nreprehenderit molestiae ut ut quas totam\nnostrum rerum est autem sunt rem eveniet architecto"
},...
]
1) 只是
而是返回DS.store.all('posts')代码>
将DS.Store作为Store
属性注入路由
2) 您的回复必须有rootposts
更改返回此.store.all('post')
to返回DS.store.all('posts')代码>会导致相同的错误。我无法更改JSON的格式,因此我需要对其进行序列化您的响应必须有根“posts”您知道我如何使用DS.RESTSerializer
来实现这一点吗?我已经为您创建了使用mockjax的工作jsbin。看,我现在要去工作了。我导入脚本的方式似乎有问题。很奇怪。
App.PostsRoute = Ember.Route.extend({
model: function(){
return this.store.all('post');
}
});