我有这样的数据库集合
[
{
name: "Fried Burger",image: "https://burgerimage.com",category: "burger"
},{
name: "Fried Pizza",image: "https://pizzaimage.com",category: "pizza"
},{
name: "Veg Pizza",image: "https://vegpizzaimage.com",{
name: "Fried Pasta",image: "https://friedpastaimage.com",category: "pasta"
}
]
有没有什么方法可以从类别中获得价值而无需重复和单个图像,尽管有多个这样的类别
[
{category: "burger",image:"https://burgerimage.com"},{category: "pizza",image:"https://pizzaimage.com"},//Any image works as long as category is same
{category: "pasta",image:"https://pastaimage.com"}
我使用了 .distinct('category') 但它只会像这样返回,但我也想要一张带有该图像的图像
{
"category": [
"Burger","beef","chicken","duck","pasta","pizza","pork"
]
}