增加 加氢站可用标记

ln_jq_app/lib/pages/c_page/reservation/view.dart

@@ -432,6 +432,7 @@ class ReservationPage extends GetView<C_ReservationController> {
                   .map(
                     (station) => DropdownMenuItem<String>(
                       value: station.hydrogenId, // value 是站点的唯一ID
+                      enabled: station.isSelect == 1,
                       child: _buildDropdownItem(station), // child 是自定义的 Widget
                     ),
                   )
@@ -478,7 +479,10 @@ class ReservationPage extends GetView<C_ReservationController> {
 
   /// 构建下拉菜单中的每一项
   Widget _buildDropdownItem(StationModel station) {
-    bool isMaintenance = (station.siteStatusName != '营运中');
+    bool isSelectable = (station.isSelect == 1);
+    //营运并且可用
+    bool isMaintenance = ((station.siteStatusName != '营运中') && isSelectable);
+    final textColor = isSelectable ? Colors.black : Colors.grey;
     return Padding(
       padding: const EdgeInsets.symmetric(vertical: 8.0),
       child: Row(
@@ -495,14 +499,22 @@ class ReservationPage extends GetView<C_ReservationController> {
                     Flexible(
                       child: Text(
                         station.name,
-                        style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w500),
+                        style: TextStyle(
+                          color: textColor,
+                          fontSize: 14,
+                          fontWeight: FontWeight.w500,
+                        ),
                         overflow: TextOverflow.ellipsis,
                         maxLines: 1,
                       ),
                     ),
                     Text(
                       ' | ¥${station.price}/kg',
-                      style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w500),
+                      style: TextStyle(
+                        color: textColor,
+                        fontSize: 14,
+                        fontWeight: FontWeight.w500,
+                      ),
                     ),
                     if (isMaintenance) const SizedBox(width: 8),
                     if (isMaintenance)