我有一个成员数据模型定义,如下所示:
Sylvius.Filter = DS.Model.extend({
title: DS.attr('string'),
slug: DS.attr('string'),
// Belongs to Atlas
atlas: DS.belongsTo('Sylvius.Atlas'),
// Has images
images: DS.hasMany('Sylvius.Image'),
// May have AtlasExtras
extras: DS.hasMany('Sylvius.AtlasExtra'),
// Structures for this filter
structures: DS.hasMany('Sylvius.Structure'),
// This is the path to the thumbnails sprite.
// Each image will have an index on this sprite
thumbnailUrl: DS.attr('string'),
// How big is each thumbnail?
thumbnailHeight: DS.attr('number'),
thumbnailWidth: DS.attr('number'),
// How big are the images?
imageHeight: DS.attr('number'),
// which image is selected?
selectedImage: DS.belongsTo('Sylvius.Image')
});
我有一个成员数据固定装置适配器存储设置如下:
Sylvius.fixtureStore = DS.Store.create({
revision: 4,
adapter: DS.fixtureAdapter
});
以及看起来像这样的固定装置:
Sylvius.Filter.FIXTURES = [{
"id": 1,
"title": "Unlabeled",
"slug": "unlabeled",
"thumbnailUrl": "assets/img/surface_anatomy/photographic/srf-photo-unlabeled-tn.gif",
"thumbnailWidth": 100,
"thumbnailHeight": 75,
"atlas_id": 1,
"images": [1, 2, 3, 4, 5, 6, 7],
"structures": [0]
}];
(所有这些代码都在这个jsfiddle中,它演示了这个问题。)
问题是:标题是可以访问的。鼻涕虫也在那里。thumbnailUrl
、thumbnailWidth
、thumbnailHeight
均未定义。为什么?
您没有遵循ember数据以rails为中心的命名约定。您可以将夹具数据更改为:
{
"id": 1,
"title": "Dummy Title",
"slug": "dummy-title",
"thumbnail_url": "path/to/thumbnail.gif",
"thumbnail_width": 100,
"thumbnail_height": 75,
"atlas_id": 1,
"images": [1, 2, 3, 4, 5, 6, 7],
"structures": [0]
}
或者更改映射以包含密钥:
thumbnailUrl: DS.attr('string', { key: 'thumbnailUrl' }),
thumbnailHeight: DS.attr('number', { key: 'thumbnailHeight' }),
thumbnailWidth: DS.attr('number', { key: 'thumbnailWidth' })