样式交互修改
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@@ -13,15 +13,12 @@ import 'reservation_list_bottomsheet.dart';
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class ReservationPage extends GetView<C_ReservationController> {
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ReservationPage({super.key});
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@override
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Widget build(BuildContext context) {
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return GetBuilder<C_ReservationController>(
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init: C_ReservationController(),
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id: 'reservation',
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builder: (_) {
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return Scaffold(
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backgroundColor: Colors.grey[100],
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body: GestureDetector(
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@@ -273,12 +270,12 @@ class ReservationPage extends GetView<C_ReservationController> {
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hint: '当前最大可预约氢量${controller.difference}(KG)',
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keyboardType: TextInputType.number,
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),
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_buildTextField(
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/*_buildTextField(
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label: '车牌号',
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controller: controller.plateNumberController,
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hint: '请输入车牌号', // 修改提示文案
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enabled: false, // 设置为不可编辑
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),
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),*/
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_buildStationSelector(),
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const SizedBox(height: 20),
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Row(
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@@ -332,8 +329,6 @@ class ReservationPage extends GetView<C_ReservationController> {
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);
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}
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// 表单中的可点击行 (用于日期和时间选择)
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Widget _buildPickerRow({
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required String label,
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@@ -378,6 +373,7 @@ class ReservationPage extends GetView<C_ReservationController> {
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TextInputType? keyboardType,
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bool enabled = true,
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}) {
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bool showCounter = keyboardType == TextInputType.number;
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return Padding(
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padding: const EdgeInsets.only(bottom: 12.0),
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child: Column(
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@@ -401,6 +397,25 @@ class ReservationPage extends GetView<C_ReservationController> {
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contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
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filled: !enabled,
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fillColor: Colors.grey[100],
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// 左侧减号按钮
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prefixIcon: showCounter
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? IconButton(
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icon: const Icon(Icons.remove, color: Colors.blue),
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onPressed: () => _updateAmount(-1),
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(minWidth: 40, minHeight: 40),
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)
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: null,
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// 右侧加号按钮
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suffixIcon: showCounter
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? IconButton(
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icon: const Icon(Icons.add, color: Colors.blue),
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onPressed: () => _updateAmount(1),
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(minWidth: 40, minHeight: 40),
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)
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: null,
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),
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),
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],
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@@ -408,6 +423,37 @@ class ReservationPage extends GetView<C_ReservationController> {
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);
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}
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// ：更新氢量逻辑
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void _updateAmount(int change) {
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// 获取当前输入框的值，默认为 0
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double currentAmount = double.tryParse(controller.amountController.text) ?? 0;
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// 获取最大值，注意处理 difference 可能为空或非数字的情况
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double maxAmount = double.tryParse(controller.difference.toString()) ?? 9999;
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// 计算新值
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double newAmount = currentAmount + change;
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// 边界检查
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if (newAmount < 1) {
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newAmount = 1; // 最小不能小于 1
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} else if (newAmount > maxAmount) {
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newAmount = maxAmount; // 最大不能超过 difference
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}
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// 如果是整数，去掉小数点显示
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if (newAmount == newAmount.toInt()) {
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controller.amountController.text = newAmount.toInt().toString();
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} else {
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controller.amountController.text = newAmount.toStringAsFixed(2);
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}
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// 移动光标到末尾，防止光标跳到前面
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controller.amountController.selection = TextSelection.fromPosition(
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TextPosition(offset: controller.amountController.text.length),
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);
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}
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Widget _buildStationSelector() {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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@@ -428,7 +474,7 @@ class ReservationPage extends GetView<C_ReservationController> {
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),
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),
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Obx(
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() => DropdownButtonHideUnderline(
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() => DropdownButtonHideUnderline(
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child: DropdownButton2<String>(
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isExpanded: true,
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hint: const Text(
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@@ -439,15 +485,15 @@ class ReservationPage extends GetView<C_ReservationController> {
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items: controller.stationOptions
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.map(
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(station) => DropdownMenuItem<String>(
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value: station.hydrogenId, // value 是站点的唯一ID
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enabled: station.isSelect == 1,
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child: _buildDropdownItem(station), // child 是自定义的 Widget
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),
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)
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value: station.hydrogenId, // value 是站点的唯一ID
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enabled: station.isSelect == 1,
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child: _buildDropdownItem(station), // child 是自定义的 Widget
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),
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)
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.toList(),
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value:
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// 当前的站点 处理默认
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controller.selectedStationId.value ??
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// 当前的站点 处理默认
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controller.selectedStationId.value ??
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(controller.stationOptions.isNotEmpty
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? controller.stationOptions.first.hydrogenId
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: null),
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@@ -460,15 +506,15 @@ class ReservationPage extends GetView<C_ReservationController> {
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customButton: Obx(() {
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// 优先从已选中的 ID 查找
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var selectedStation = controller.stationOptions.firstWhereOrNull(
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(s) => s.hydrogenId == controller.selectedStationId.value,
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(s) => s.hydrogenId == controller.selectedStationId.value,
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);
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// 如果找不到已选中的（比如 ID 为空或列表里没有），并且列表不为空，则取第一个作为默认
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final stationToShow =
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selectedStation ??
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(controller.stationOptions.isNotEmpty
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? controller.stationOptions.first
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: null);
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(controller.stationOptions.isNotEmpty
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? controller.stationOptions.first
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: null);
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// 如果有要显示的站点，就构建按钮
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if (stationToShow != null) {
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