Question

我正在尝试对我的模型进行排序。但是得到错误

Cannot read property 'sort' of undefined

任何人帮我解决这个问题？我想model方法中不存在Computed。

这是我的代码：

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
    return [{"name":"fruit"},{"name":"flowers"}]
  },
  sortingByKey:['date'],
  sorter:Ember.Computed.sort("model","sortingByKey"), 
  init(){
    var sort = this.get("sorter");
  }
});

Twiddle Here

Answer 1

应该是import java.util.*; public class Nails { public static void main(String[] args) { Scanner i = new Scanner(System.in); String[][] comms = { { "ACac", "CAca" }, { "ADad", "DAda" }, { "AEae", "EAea" }, { "AFaf", "FAfa" }, { "AGag", "GAga" }, { "AHah", "HAha" }, { "AIai", "Iaia" }, { "AJaj", "JAja" }, { "AKak", "KAka" }, { "ALal", "LAla" }, { "AMam", "MAma" }, { "ANan", "NAna" }, { "AOao", "OAoa" }, { "APap", "PApa" }, { "AQaq", "QAqa" }, { "ARar", "RAra" }, { "ASas", "SAsa" }, { "ATat", "TAta" }, { "AUau", "UAua" }, { "AVav", "VAva" }, { "AWaw", "WAwa" }, { "AXax", "XAxa" }, { "AYay", "YAya" }, { "AZaz", "ZAza" } }; String Master = "ABab"; String S = Master; //Slave String String Tmp = S; System.out.println("Amount of Nails: "); int N = i.nextInt(); //Nails if(N < 2) { System.out.println("Sorry, You Must input a number Greater than or Equal to 2"); } if(N == 2) { System.out.println(Master); } else { for(int c = 0; c < N - 2; c++) //C for Counter, subtracting 2 because method wont run if it is <= 2 and 'Comms' starts on 0 which would be 3 Nails { System.out.println(S); S = S.replace("A", Comms[c][0]); S = S.replace("a", Comms[c][1]); System.out.println(S); } } } }而不是Ember.computed。错误说Ember.Computed未定义。

在您的代码中存在一些问题，
1. Ember.Computed属性将在控制器中可用（将由setupController设置 2.你不能在model中这样做 3. this.get("sorter")

中没有date属性

无法排序，得到错误

1 个答案: