vue 根据数组中某一项的值进行排序的方法

<script type="text/ecmascript-6">
export default {
data(){
return{
recommendlist: [
{ name:'高科石化',bn:'002778',in_price: 20.68,now_price: 28.68,increase: 10.01 },{ name:'中孚信息',bn:'300659',in_price: 19.46,now_price: 17.46,increase: 9.06 },{ name:'永福股份',bn:'300712',in_price: 17.68,now_price: 32.68,increase: 2.01 }
],sortType: 'in_price'
}
},methods: {
sort(type) {
this.sortType = type;
this.recommendlist.sort(this.compare(type));
// switch(type){
// case 'in_price':
// this.sortType = 'in_price';
// this.recommendlist.sort(this.compare('in_price'));
// break;
// case 'now_price':
// this.sortType = 'now_price';
// this.recommendlist.sort(this.compare('now_price'));
// break;
// case 'increase':
// this.sortType = 'increase';
// this.recommendlist.sort(this.compare('increase'));
// break;
// }
},compare(attr) {
return function(a,b){
var val1 = a[attr];
var val2 = b[attr];
return val2 - val1;
}
}
}
}