Question

我开发了电子商务应用程序。

我有一份产品清单。

这是我的阵列：

[
   {
        Desc:Commodo adipisicing officia non excepteur officia nostrud,
        details:{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Commodo adipisicing officia non excepteur officia nostrud. Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 161.0,
        }
   },
   {
        Desc:Laborum cupidatat dolor tempor cillum incididunt,
        details:{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Laborum cupidatat dolor tempor cillum incididunt in veniam nisi dolore.Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 80.0,
        }
   },
   {
        Desc:Anim ad et sunt aliquip proident,
        details:{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Anim ad et sunt aliquip proident fugiat deserunt.Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 150.0,
        }
   },
   {
        Desc:Eiusmod aliquip eu aute elit eiusmod proident,
        details:{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Eiusmod aliquip eu aute elit eiusmod proident.Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 130.0,
        }
   }
]

我需要根据PRICE_SALE进行排序。

Low to High and high to low.

我试过了：

var a=this.product.sort(function(a, b){
                  console.log("SORT");
                  return a.details.PRICE_SALE-b.details.PRICE_SALE;
                })

但这不起作用。

Answer 1

将数组元素转换为对象：

var arr = [
   {
        "Desc" : "Commodo adipisicing officia non excepteur officia nostrud",
        "details" :{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Commodo adipisicing officia non excepteur officia nostrud. Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 161.0,
        }
   },
   {
        "Desc": "Laborum cupidatat dolor tempor cillum incididunt",
        "details":{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Laborum cupidatat dolor tempor cillum incididunt in veniam nisi dolore.Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 80.0,
        }
   },
   {
        "Desc" : "Anim ad et sunt aliquip proident",
        "details":{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Anim ad et sunt aliquip proident fugiat deserunt.Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 150.0,
        }
   },
   {
        "Desc":"Eiusmod aliquip eu aute elit eiusmod proident",
        "details":{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Eiusmod aliquip eu aute elit eiusmod proident.Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 130.0,
        }
   }
];

查看结果：

var a = arr.sort(function(a, b){
    return a.details.PRICE_SALE - b.details.PRICE_SALE;
})

a.forEach(function(ele) {
    console.log(ele.details.PRICE_SALE); // 80, 130, 150, 161
})

Answer 2

如果您修复了Desc上的引用问题，那么您的代码运行正常。请注意，sort()方法将数组排序。它还返回已排序的数组，但是不要让它让你误以为它会创建数组的副本并对其进行排序（例如.sort()不能像array.slice()那样完全复制数组或部分并返回副本）。

var products = [
   {
        Desc:"Commodo adipisicing officia non excepteur officia nostrud",
        details:{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Commodo adipisicing officia non excepteur officia nostrud. Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 161.0,
        }
   },
   {
        Desc:"Laborum cupidatat dolor tempor cillum incididunt",
        details:{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Laborum cupidatat dolor tempor cillum incididunt in veniam nisi dolore.Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 80.0,
        }
   },
   {
        Desc:"Anim ad et sunt aliquip proident",
        details:{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Anim ad et sunt aliquip proident fugiat deserunt.Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 150.0,
        }
   },
   {
        Desc:"Eiusmod aliquip eu aute elit eiusmod proident",
        details:{
            "P_TITLE" : "Martina",
            "P_TYPE" : "simple",
            "P_DESCRIPTION" : "Eiusmod aliquip eu aute elit eiusmod proident.Eu voluptate amet elit nulla.",
            "P_STOCK" : 100.0,
            "PRICE_REGULAR" : 194.0,
            "PRICE_SALE" : 130.0,
        }
   }
];

products.sort( function( a, b ) {
	return a.details.PRICE_SALE - b.details.PRICE_SALE;
});

console.log( JSON.stringify( products, null, 4 ) );

排序对象数组

2 个答案: