1 原生

原生的下拉框非常简陋
image.pngimage.png

  1. final _value = 1.obs;
  3. Obx(() => DropdownButton(
  4.     items: [
  5.         DropdownMenuItem(child: Text("111"), value: 1),
  6.         DropdownMenuItem(child: Text("222"), value: 2),
  7.         DropdownMenuItem(child: Text("333"), value: 3),
  8.         DropdownMenuItem(child: Text("444"), value: 4),
  9.     ],
  10.     value: _value.value,
  11.     onChanged: (value) {
  12.         _value.value = value as int;
  13. })),