flutter - 如何在 Dart 中对列表进行排序？

Question

我想按价格从低到高排序列表

我想按价格从低到高排序我想按价格从低到高排序我想按价格从低到高排序我想按价格从低到高排序

getProductsList() {
    List list = [];
    list.add({
      "id": "1",
      "name": "sssss",
      "imageUrl": "assets/images/Frozen Food.jpg",
      "description": "qwerfghjhgfdsaasdfghnjmhgfdsa",
      "price": "11",
      "quantity": "1",
      "isLiked": "false",
      "max": "5"
    });
    list.add({
      "id": "2",
      "name": "sssss",
      "imageUrl": "assets/images/Frozen Food.jpg",
      "description": "qwerfghjhgfdsaasdfghnjmhgfdsa",
      "price": "112",
      "quantity": "1",
      "isLiked": "true",
      "max": "5"
    });
    list.add({
      "id": "3",
      "name": "sssss",
      "imageUrl": "assets/images/Frozen Food.jpg",
      "description": "qwerfghjhgfdsaasdfghnjmhgfdsa",
      "price": "114",
      "quantity": "1",
      "isLiked": "true",
      "max": "10"
    });
    list.add({
      "id": "4",
      "name": "sssssssssssssssssssssssssssssssssssssssssssssssssssssssszzzzz",
      "imageUrl": "assets/images/Frozen Food.jpg",
      "description": "qwerfghjhgfdsaasdfghnjmhgfdsa",
      "price": "11",
      "quantity": "1",
      "isLiked": "false",
      "max": "1"
    });
    list.add({
      "id": "5",
      "name": "sssss",
      "imageUrl": "assets/images/Frozen Food.jpg",
      "description": "qwerfghjhgfdsaasdfghnjmhgfdsa",
      "price": "110",
      "quantity": "1",
      "isLiked": "false",
      "max": "15"
    });
    return list;
  }

Answer 1

你可以这样做：

list.sort((a, b) => a['price'].compareTo(b['price']));

Answer 2

你可以试试这个-：

 list.sort((ListModel a,ListModel b)=>a.getprice().compareTo(b.getprice()));