[英]Ember Starter Kit with Ember Data
Ember 1.0.0 RC3附带了一个入门工具包,其中包含一个相当简单的演示,可以在列表中显示三种颜色。
像这样将模型数据直接插入到IndexRoute上:
App.IndexRoute = Ember.Route.extend({
model: function() {
return ['red', 'yellow', 'blue'];
}
});
我试图将这个简单的演示更改为使用余烬数据(模型,存储等)。 但是,没有成功。 我的演示的控制台输出是:
DEBUG: ------------------------------- ember-1.0.0-rc.3.js:349
DEBUG: Ember.VERSION : 1.0.0-rc.3 ember-1.0.0-rc.3.js:349
DEBUG: Handlebars.VERSION : 1.0.0-rc.3 ember-1.0.0-rc.3.js:349
DEBUG: jQuery.VERSION : 1.9.1 ember-1.0.0-rc.3.js:349
DEBUG: ------------------------------- ember-1.0.0-rc.3.js:349
Uncaught TypeError: Cannot call method 'find' of undefined appDemo.js:8
Uncaught Error: assertion failed: an Ember.CollectionView's content must implement Ember.Array. You passed <(generated index controller):ember232> ember-1.0.0-rc.3.js:52
我修改后的脚本如下所示:
App = Ember.Application.create();
App.Router.map(function() {
// put your routes here
});
App.IndexRoute = Ember.Route.extend({
model: App.Color.find()
});
App.ColorsController = Ember.ArrayController.extend();
// Models
App.Store = DS.Store.extend({
revision: 12,
adapter: 'DS.FixtureAdapter'
});
App.Color = DS.Model.extend({
name: DS.attr('string')
});
App.Color.FIXTURES = [{name: 1}, {name: 2}, {name: 3}, {name: 4}, {name: 5}, {name: 6}];
我的html看起来像这样:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Ember Starter Kit</title>
<link rel="stylesheet" href="css/normalize.css">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<script type="text/x-handlebars">
<h2>Welcome to Ember.js</h2>
{{outlet}}
</script>
<script type="text/x-handlebars" data-template-name="index">
<ul>
{{#each color in controller}}
<li>{{color.name}}</li>
{{/each}}
</ul>
</script>
<script src="js/libs/jquery-1.9.1.js"></script>
<script src="js/libs/handlebars-1.0.0-rc.3.js"></script>
<script src="js/libs/ember-1.0.0-rc.3.js"></script>
<script src="js/libs/ember-data-latest.js"></script>
<script src="js/appDemo.js"></script>
</body>
</html>
我究竟做错了什么?
第一个错误在于
App.IndexRoute = Ember.Route.extend({
model: App.Color.find()
});
您必须将模型选项定义为以下函数:
App.IndexRoute = Ember.Route.extend({
model: function() {
return App.Color.find();
}
});
我不确定第二个错误,但请先尝试一下。
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