Ember.js：計算財產，涉及未刷新在模型

Question

的負載等控制器我下面的代碼有：

App.UserController = App.EditableController.extend({ 
    needs: 'application', 
    test: function() { 
     return this.get('controller.application.me.email'); 
    }.property('controller.application.me.email'), 
    }); 

    App.ApplicationController = Ember.Controller.extend({ 
    isPublic : true, 
    me   : null, 
    init: function() { 
     this.set('me', App.User.find(1)); 
     this._super(); 
    } 
    }); 

但是計算的特性似乎並不一旦模型加載更新（從控制檯） ：

> App.__container__.lookup('controller:Application').get('me.email') 
"test@example.com" 
> App.__container__.lookup('controller:User').get('test') 
undefined 

我錯過了什麼嗎？

Answer 1

假設你App.EditableController是Ember.ObjectController型，則這應該工作：

App.UserController = Ember.ObjectController.extend({ 
    needs: 'application', 
    // notice the we use here plural 'controllers' to have access to the 
    // controllers defined with the 'needs' API 
    contentBinding: 'controllers.application', 
    test: function() { 
    return this.get('content.me.email'); 
    }.property('content') 
}); 

在您App.EditableController是Ember.Controller型的比這應該做的工作的情況下：

App.UserController = Ember.Controller.extend({ 
    needs: 'application', 
    // notice the we use here plural 'controllers' to have access to the 
    // controllers defined with the 'needs' API 
    controllerBinding: 'controllers.application', 
    test: function() { 
    return this.get('controller.me.email'); 
    }.property('controller') 
}); 

現在做App.__container__.lookup('controller:User').get('test')在控制檯應輸出：

"test@example.com" // or whatever your example mail is 

希望它有幫助。