限制条件

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

@@ -1,5 +1,6 @@
 import 'package:dropdown_button2/dropdown_button2.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:getx_scaffold/getx_scaffold.dart';
 import 'package:ln_jq_app/common/model/station_model.dart';
 import 'package:ln_jq_app/pages/qr_code/view.dart';
@@ -390,6 +391,9 @@ class ReservationPage extends GetView<C_ReservationController> {
           TextFormField(
             controller: controller,
             keyboardType: keyboardType,
+            inputFormatters: [
+              FilteringTextInputFormatter.digitsOnly, // 只允许数字输入
+            ],
             enabled: enabled,
             style: const TextStyle(fontSize: 14),
             decoration: InputDecoration(