扫码无权限优化，司机预约多弹窗

ln_jq_app/lib/pages/b_page/site/controller.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:getx_scaffold/getx_scaffold.dart';
 import 'package:ln_jq_app/common/model/base_model.dart';
 import 'package:ln_jq_app/common/styles/theme.dart';
@@ -277,9 +278,10 @@ class SiteController extends GetxController with BaseControllerMixin {
                           child: TextField(
                             controller: amountController,
                             textAlign: TextAlign.center,
-                            keyboardType: const TextInputType.numberWithOptions(
-                              decimal: true,
-                            ),
+                            keyboardType:  TextInputType.number,
+                            inputFormatters: [
+                              FilteringTextInputFormatter.digitsOnly, // 只允许数字输入
+                            ],
                             style: TextStyle(
                               fontSize: 22,
                               fontWeight: FontWeight.bold,