在 ReactJs 的一个小型电子商务项目(来自 WooCommerce 的采购数据)中,我有一个可变产品除了所有产品数据之外,我还有两个表示产品变体的数组对象,其中一个包含所有可用的属性和选项:
nodes: Array(3)
0:
id: "d2VpZ2h0OjMxOldlaWdodA=="
name: "Weight"
options: Array(2)
0: "250gr"
1: "500gr"
position: 0
variation: true
visible: true
1:
id: "cm9hc3Q6MzE6Um9hc3Q="
name: "Roast"
options: Array(3)
0: "Light"
1: "Medium"
2: "Dark"
position: 1
variation: true
visible: true
2:
id: "cGFja2FnaW5nOjMxOlBhY2thZ2luZw=="
name: "Packaging"
options: Array(2)
0: "Card"
1: "Tin"
position: 2
variation: true
visible: true
我将这个保存在一个状态并使用它来构建选择(在这种情况下为 3 个选择)然后我有一个包含所有可用组合的对象数组,包括价格、id 等:
nodes: Array(5)
0:
attributes:
nodes: Array(3)
0: {id: "NDB8fHdlaWdodHx8MjUwZ3I=", name: "weight", value: "250gr"}
1: {id: "NDB8fHJvYXN0fHxNZWRpdW0=", name: "roast", value: "Medium"}
2: {id: "NDB8fHBhY2thZ2luZ3x8Q2FyZA==", name: "packaging", value: "Card"}
id: "cHJvZHVjdF92YXJpYXRpb246NDA="
price: "€7,00"
variationId: 40
1:
attributes:
nodes: Array(3)
0: {id: "Mzh8fHdlaWdodHx8NTAwZ3I=", name: "weight", value: "500gr"}
1: {id: "Mzh8fHJvYXN0fHxEYXJr", name: "roast", value: "Dark"}
2: {id: "Mzh8fHBhY2thZ2luZ3x8VGlu", name: "packaging", value: "Tin"}
length: 3
id: "cHJvZHVjdF92YXJpYXRpb246Mzg="
price: "€12,00"
variationId: 38
2:
attributes:
nodes: Array(3)
0: {id: "Mzd8fHdlaWdodHx8NTAwZ3I=", name: "weight", value: "500gr"}
1: {id: "Mzd8fHJvYXN0fHxNZWRpdW0=", name: "roast", value: "Medium"}
2: {id: "Mzd8fHBhY2thZ2luZ3x8VGlu", name: "packaging", value: "Tin"}
length: 3
id: "cHJvZHVjdF92YXJpYXRpb246Mzc="
price: "€12,00"
variationId: 37
3:
attributes:
nodes: Array(3)
0: {id: "MzZ8fHdlaWdodHx8NTAwZ3I=", name: "weight", value: "500gr"}
1: {id: "MzZ8fHJvYXN0fHxMaWdodA==", name: "roast", value: "Light"}
2: {id: "MzZ8fHBhY2thZ2luZ3x8VGlu", name: "packaging", value: "Tin"}
id: "cHJvZHVjdF92YXJpYXRpb246MzY="
price: "€12,00"
variationId: 36
4:
attributes:
nodes: Array(3)
0: {id: "MzR8fHdlaWdodHx8MjUwZ3I=", name: "weight", value: "250gr"}
1: {id: "MzR8fHJvYXN0fHxMaWdodA==", name: "roast", value: "Light"}
2: {id: "MzR8fHBhY2thZ2luZ3x8Q2FyZA==", name: "packaging", value: "Card"}
length: 3
id: "cHJvZHVjdF92YXJpYXRpb246MzQ="
price: "€7,00"
variationId: 34
基本上,当我在任何选择上选择某些东西时,另一个选择应该根据可用的变化进行过滤:如果我选择 250 克作为重量,那么深色烤肉和锡包装应该从他们的选择中删除,因为它们不能与 250 克组合;如果我切换回 500gr(或“未选择选项”),它们应该会重新出现在与以前相同的位置。
在基本的 WooCommerce 产品页面上,它已经以这种方式工作(您可以在此处检查其行为:https : //shop.popland.it/prodotto/coffee-bean/),但在 ReactJs 中复制它比我想象的要难。目前我卡在使用空 onChange 处理程序生成选择的循环上:
const [attr, setAttr] = useState(product.attributes);
<div>
{attr.nodes.map((attribute, l) => {
return (
<div key={l}>
<span>{attribute.name}</span>
<select
id={attribute.name}
onChange={handleChange}
data-attribute_name={`attribute_${attribute.name}`}
>
<option>Select option</option>
{attribute.options.map((option, o) => {
return (
<option key={o} value={option}>
{option}
</option>
);
})}
</select>
</div>
);
})}
</div>
关于如何从这里继续的任何建议/帮助?