按属性按优先排序 [英] Sorting by properties by priority

问题描述

我有我想要排序的项目，我的项目在模型上计算了属性，包括获胜，出价，关闭和观看

这些属性是真的还是假的

我想对项目进行排序，以便所有的获胜项目都是第一个，然后是所有的投标项目，然后是所有的观看项目，然后所有关闭的项目。

我该如何实现？我需要在一个排序函数中执行所有操作，还是可以指定多个函数进行排序？

我已经尝试过获胜了，但我不确定从这里去哪里

  sortedItems：Ember.computed.sort（'filteredItems'，function（a，b）{
 if（a.get（'winner'）== true&& a.get（'winner'）！= b.get（'winner'））{
 return -1; 
} 
 if（a.get（'winner'）== b.get（'winner'））{
 return 0; 
} 
 if（a.get 'win'）== false&& a.get（'winner'）！= b.get（'winner'））{
 return 1; 
} 
}）， 
  

解决方案

我建议使用这样的排序功能。

 函数（a，b）{
 var status = {获胜：1 ，招标：2，关闭：3，看：4}; 
 return status [a.bidStatus]  -  status [b.bidStatus]; 
} 
  

I have items that I'm wanting to sort, my items have computed properties on the model that include winning, bidding, closed, and watching

each of these properties is true or false

I want to sort the items so that all the winning items are first, then all the bidding items, then all the watching items, then all the closed items.

How might I achieve this? Do I need to do it all in one sort function or can I specify multiple functions to sort by?

I've tried this for winning, but I'm not sure where to go from here

sortedItems: Ember.computed.sort('filteredItems',function(a,b){
  if(a.get('winning') == true && a.get('winning') != b.get('winning')){
    return -1;
  }
  if(a.get('winning') == b.get('winning')){
    return 0;
  }
  if(a.get('winning') == false && a.get('winning') != b.get('winning')){
    return 1;
  }
}),

解决方案

I suggest to use a sorting function like this. It sorts by grouping the bid status.

function (a, b) {
    var status = { winning: 1, bidding: 2, closed: 3, watching: 4 };
    return status[a.bidStatus] - status[b.bidStatus];
}

这篇关于按属性按优先排序的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！