Javascript 使用Emberjs删除模型的所有项
定义模型Javascript 使用Emberjs删除模型的所有项,javascript,jquery,model,ember.js,Javascript,Jquery,Model,Ember.js,定义模型 App.Store = DS.Store.extend({ revision: 12, adapter: DS.FixtureAdapter }); App.Markets = DS.Model.extend({ name: DS.attr("string"), created: DS.attr("string") }); App.Markets.FIXTURES = [ {id:1, name:"name1", created:'2013-1-
App.Store = DS.Store.extend({
revision: 12,
adapter: DS.FixtureAdapter
});
App.Markets = DS.Model.extend({
name: DS.attr("string"),
created: DS.attr("string")
});
App.Markets.FIXTURES = [
{id:1, name:"name1", created:'2013-1-1'},
{id:2, name:"name2", created:'2013-1-2'},
{id:3, name:"name3", created:'2013-1-3'}
];
定义控制器
App.MarketsController = Ember.ArrayController.extend({
changeMarkets:function(marketer_id){
// remove all item of App.Markets Model
//-------
// add new item in App.Markets Model
App.Sources.createRecord({
id: 100,
name: "new name1",
created: "2014-2-1"
});
App.Sources.createRecord({
id: 200,
name: "new name2",
created: "2014-2-2"
});
App.Sources.createRecord({
id: 300,
name: "new name3",
created: "2014-2-3"
});
}
});
我将删除所有itme,并使用emberjs向changeMarkets函数中的model对象添加一些itme。
我想知道如何删除该型号的所有itme。短款请参见此处以获取一个工作示例: long:要从控制器
内容
属性中删除所有项目,您可以使用内置方法clear()
,这样性能会更好,绑定也会正常工作。然后,要设置新项目,您可以这样做,相关代码如下:
App.MarketsController = Ember.ArrayController.extend({
changeMarkets:function(marketer_id){
// remove all item of App.Markets Model
this.get('content').clear();
// add new item in App.Markets Model
this.set('content', [
App.Markets.createRecord({
id: 100,
name: "new name1",
created: "2014-2-1"
}),
App.Markets.createRecord({
id: 200,
name: "new name2",
created: "2014-2-2"
}),
App.Markets.createRecord({
id: 300,
name: "new name3",
created: "2014-2-3"
})
]);
}
});
希望能有帮助