我发送一个从后端到Vue前端的对象数组，在邮递员中看起来像这样：
[
{
"ID": 112,
"menu_order": 1,
"title": "Nyheter",
"slug": "hjem",
"url": "/nyheter",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 159,
"menu_order": 2,
"title": "HivNorge mener",
"slug": "hivnorge-mener",
"url": "/post/bli-frivillig",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 160,
"menu_order": 3,
"submenu": [
{
"ID": 3307,
"menu_order": 4,
"title": "Hva er hiv?",
"slug": "hva-er-hiv",
"url": "/post/hva-er-hiv",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3292,
"menu_order": 5,
"title": "Hva er aids?",
"slug": "hva-er-aids",
"url": "/post/hva-er-aids",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3280,
"menu_order": 6,
"title": "Hivtesten",
"slug": "hivtesten",
"url": "/post/hivtesten",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 6308,
"menu_order": 7,
"title": "PEP og PrEP",
"slug": "pep-og-prep",
"url": "/post/pep-og-prep",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3252,
"menu_order": 8,
"title": "Smitteveier",
"slug": "smitteveier",
"url": "/post/smitteveier",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 6610,
"menu_order": 9,
"title": "Nye retningslinjer for hivbehandling",
"slug": "nye-retningslinjer-for-hivbehandling",
"url": "/post/nye-retningslinjer-for-hivbehandling",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 7172,
"menu_order": 10,
"title": "Quiz",
"slug": "quiz",
"url": "/type/quiz",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 145,
"menu_order": 11,
"submenu": [
{
"ID": 5141,
"menu_order": 12,
"title": "Straffeloven",
"slug": "straffeloven-2",
"url": "/post/straffeloven-1",
"status": "publish",
"main_category": "Hovedmeny"
}
],
"title": "Hiv og juss",
"slug": "hiv-og-juss",
"url": "/folder/hiv-og-juss",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3040,
"menu_order": 13,
"submenu": [
{
"ID": 3474,
"menu_order": 14,
"title": "Kriminalisering",
"slug": "kriminalisering",
"url": "/post/kriminalisering-2",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 4017,
"menu_order": 15,
"title": "FN og aids",
"slug": "fn-og-aids",
"url": "/post/fn-og-aids",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3971,
"menu_order": 16,
"title": "Kort historie",
"slug": "kort-historie",
"url": "/post/kort-historie",
"status": "publish",
"main_category": "Hovedmeny"
}
],
"title": "Hiv i verden",
"slug": "hiv-i-verden",
"url": "/folder/hiv-i-verden",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3088,
"menu_order": 17,
"title": "Statistikk",
"slug": "statistikk",
"url": "/post/statistikk-2",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3102,
"menu_order": 18,
"title": "Andres materiell",
"slug": "andres-materiell",
"url": "/post/andres-materiell",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 5667,
"menu_order": 19,
"title": "Andres aktiviteter",
"slug": "andres-aktiviteter",
"url": "/post/andres-aktiviteter",
"status": "publish",
"main_category": "Hovedmeny"
}
],
"title": "Om hiv",
"slug": "om-hivaids",
"url": "/folder/om-hiv",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3050,
"menu_order": 20,
"submenu": [
{
"ID": 3310,
"menu_order": 21,
"title": "Sekretariatet",
"slug": "sekretariatet",
"url": "/post/sekretariatet",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3296,
"menu_order": 22,
"title": "Styret",
"slug": "styret",
"url": "/post/styret",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 4449,
"menu_order": 23,
"title": "Strategiplan",
"slug": "strategiplan",
"url": "/post/strategiplan",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3276,
"menu_order": 24,
"title": "Vedtekter",
"slug": "vedtekter",
"url": "/post/vedtekter",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3235,
"menu_order": 25,
"title": "Årsmeldinger",
"slug": "arsmeldinger",
"url": "/post/aarsmeldinger",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3211,
"menu_order": 26,
"title": "Medlemmer",
"slug": "medlemmer",
"url": "/post/medlemmer",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3156,
"menu_order": 27,
"title": "Her er vi",
"slug": "her-er-vi",
"url": "/post/her-er-vi",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 5355,
"menu_order": 28,
"title": "Historie",
"slug": "historie-2",
"url": "/post/historie-1",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 3254,
"menu_order": 29,
"title": "Retningslinjer",
"slug": "retningslinjer",
"url": "/post/retningslinjer",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 5486,
"menu_order": 30,
"title": "Gave",
"slug": "gave",
"url": "/post/gave",
"status": "publish",
"main_category": "Hovedmeny"
},
{
"ID": 5781,
"menu_order": 31,
"title": "Bli frivillig",
"slug": "bli-frivillig",
"url": "/post/bli-frivillig",
"status": "publish",
"main_category": "Hovedmeny"
}
],
"title": "Om oss",
"slug": "om-oss",
"url": "/folder/om-oss",
"status": "publish",
"main_category": "Hovedmeny"
}
]
我正在使用Axios来获取ajax请求，我没有得到的是为什么当我在前端获取它时这个数组被解释为一个对象。当我打电话给后端时：
BACKEND.get('/menu')
.then(res => {
console.log(res.data);
commit('setMenus', res.data);
})
在控制台res.data中，我得到一个对象，该对象由上面数组的元素组成，我看起来像这样，（这是一个非常简单的例子）：
{1: {…}, 2: {…}, 3: {…}, 13: {…}}
1:Object
ID:7406
main_category:"Hovedmeny"
menu_order:1
slug:"nyheter"
title:"Nyheter"
url:"/nyheter"
...so on
为什么会这样？