var list = <Item>[
Item(title: "item 1", isTopping: true),
Item(title: "item 2"),
Item(title: "item 3", isTopping: true),
Item(title: "item 4"),
];
main(List<String> arguments) async {
/// 通过排序把顶置的信息放在前面
list.sort((a, b) => b.top.compareTo(a.top));
for (var item in list) {
print(item.title); // 1324
}
}
class Item {
Item({
this.title = '',
this.isTopping = false,
});
String title;
bool isTopping;
int get top => isTopping ? 1 : 0;
}
Dart: List排序
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