我正在将 Ember 数据用于网络应用程序,一切都运行得非常顺利,直到我尝试使用“createRecord”保存一些新数据。
这是代码的要点:
App.Store = DS.Store.extend({
adapter: DS.RESTAdapter.create({
namespace: 'api'
})
});
App.Training = DS.Model.extend({
dateTimestamp: DS.attr('number'),
dateTime: DS.attr('string'),
dateDay: DS.attr('number'),
dateWeekday: DS.attr('string'),
dateMonth: DS.attr('string'),
teacherId: DS.attr('number'),
teacherFirstName: DS.attr('string'),
teacherPhoneNumber: DS.attr('string'),
teacherAvatarCss: DS.attr('string'),
spotName: DS.attr('string'),
spotNamespace: DS.attr('string'),
spotId: DS.attr('number'),
spotHasPicture: DS.attr('string'),
spotPictureCss: DS.attr('string'),
spotUrl: DS.attr('string')
});
我为后端构建了一个简单的 REST API,并且获取数据效果很好:
App.KalenderRoute = Em.Route.extend({
model: function() {
return this.store.find('training'); // This works!
}
});
然后我尝试在 Controller 中调用一个操作来保存新记录:
App.KalenderController = Em.ArrayController.extend({
actions: {
addTraining: function(){
var store = this.store;
store.createRecord('training', {
spotId: 5
}); // This does not work :(
}
}
});
如果我理解正确的话,这应该使用 spotId 参数向/api/training 发送 POST AJAX 请求。然而,POST 请求似乎从未发送过,相反,我的控制台显示:
TypeError: undefined is not a function
完整堆栈跟踪:
DS.Store.Ember.Object.extend.createRecord ember-data.prod.js:1575
App.KalenderController.Em.ArrayController.extend.actions.addTraining App.js:197
Mixin.create.send ember.prod.js:15207
runRegisteredAction ember.prod.js:34269
Backburner.run ember.prod.js:7947
apply ember.prod.js:7779
run ember.prod.js:6415
handleRegisteredAction ember.prod.js:34267
(anonymous function) ember.prod.js:22582
m.event.dispatch jquery.min.js:3
r.handle
有人知道这是为什么吗?这让我发疯!
最佳答案
自 Ember Data 1.0beta+ 版本以来,无需定义存储。您只需定义适配器和序列化器。
App.ApplicationAdapter= DS.RESTAdapter.extend({
namespace: 'api'
});
App.Training = DS.Model.extend({
dateTimestamp: DS.attr('number'),
dateTime: DS.attr('string'),
dateDay: DS.attr('number'),
dateWeekday: DS.attr('string'),
dateMonth: DS.attr('string'),
teacherId: DS.attr('number'),
teacherFirstName: DS.attr('string'),
teacherPhoneNumber: DS.attr('string'),
teacherAvatarCss: DS.attr('string'),
spotName: DS.attr('string'),
spotNamespace: DS.attr('string'),
spotId: DS.attr('number'),
spotHasPicture: DS.attr('string'),
spotPictureCss: DS.attr('string'),
spotUrl: DS.attr('string')
});
此外,在您调用保存记录之前,不会进行 ajax 调用
var record = this.store.createRecord('training',{
spotId:1
});
record.save();
示例(为了好玩而延迟):http://emberjs.jsbin.com/OxIDiVU/856/edit
关于javascript - Ember 数据 createRecord 不起作用 : "TypeError: undefined is not a function",我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24941332/