TypeError：无法读取未定义的属性（读取“匹配”）：

Question

Product.find((x)=>x._id===props.params.match.id);

products: [
      {
        _id: '1',
        name: 'Nike Slim Shirt',
        category: 'Shirts',
        image: '/images/p1.jpg',
        price: 120,
        countInStock: 10,
        brand: 'Nike',
        rating: 4.5,
        numReviews: 10,
        description: 'high quality product',
      },

Answer 1

因为 Params 属性未定义。