如何解决React:使用多个可能值的数组过滤json对象
我有一个json对象
我像这样将它导入了react组件
import data from "../data/data.json";
这是我的json对象
{
"Cocktail": [
{
"id": 1,"name": "PL","illustration": "img1","ingredient": [{"percent": "1/10","ingredientname": "br"},{"percent": "4/10","ingredientname": "or"},{"percent": "5/10","ingredientname": "vo"}]
},...
{
"id": 3,"name": "AN","illustration": "img3","ingredient": [{"percent": "2/10",{"percent": "2/10","ingredientname": "li"},{"percent": "6/10","ingredientname": "ri"}
]
}
]
}
我有这个数组
ingred = ["br","or"]
我想过滤json对象文件: IngredientsName,其具有ingred数组的对应值之一,并返回关联的每个元素的名称
我尝试过
return (
<>
{
data.Cocktail
.map((cocktail) => {
return (
<>
{
cocktail.ingredient.filter(ingredientcocktail => ingredientcocktail.ingredientname === ingred).map((ingredientcocktail) => {
return (
<span key={cocktail.name}>
</span>
);
})
}
</>
);
})
}
</>
);
但是它不起作用:我不知道如何通过第二个数组的项进行过滤。 有人可以帮我吗?
解决方法
对不起,无法为您提供ReactJs,但这应该可以在“普通” JS中使用:
let obj = {
"Cocktail": [
{
"id": 1,"name": "PL","illustration": "img1","ingredient": [{"percent": "1/10","ingredientname": "br"},{"percent": "4/10","ingredientname": "or"},{"percent": "5/10","ingredientname": "vo"}]
},{
"id": 3,"name": "AN","illustration": "img3","ingredient": [{"percent": "2/10",{"percent": "2/10","ingredientname": "li"},{"percent": "6/10","ingredientname": "ri"}
]
},{
"id": 4,"name": "asdasd","illustration": "asdasd","ingredientname": "asdasd"},"ingredientname": "asdasd"}
]
}
]
};
let wanted = ["br","or"]
let res = obj.Cocktail.filter(
el => el.ingredient.some(
i => wanted.some(w => w == i.ingredientname)
)
).map(cocktail => cocktail.name);
console.log(res)
(这并不是“最有效的方式”,因此,如果您有更有效的方式来做,请随时回答,不要在评论中抱怨它)
,我想我找到了解决方法:
data.Cocktails
.map((cocktail) => {
return (
<>
{
cocktail.ingredient
.filter(ingredientcocktail => ingred .includes(ingredientcocktail.ingredientname))
.map((ingredientcocktail) => {
return (
<div key={ingredientcocktail.ingredientname}>
{cocktail.name}
</div>
);
})
}
</>
);
})
}
谢谢您的回答。
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