加氢站默认选择，演示账号数据

附件默认显示，详情
2025-12-16 11:58:00 +08:00
parent 4ace3c9f27
commit 9ce46a0c7d
9 changed files with 231 additions and 59 deletions
--- a/ln_jq_app/lib/pages/c_page/car_info/attachment_viewer_controller.dart
+++ b/ln_jq_app/lib/pages/c_page/car_info/attachment_viewer_controller.dart
@@ -48,9 +48,9 @@ class AttachmentViewerController extends GetxController {
          }
        },
      );
-      
+
      localFilePath.value = savePath;
-      
+
    } catch (e) {
      showErrorToast('PDF文件加载失败，请检查网络或文件链接');
      print('PDF Download Error: $e');
--- a/ln_jq_app/lib/pages/c_page/car_info/attachment_viewer_page.dart
+++ b/ln_jq_app/lib/pages/c_page/car_info/attachment_viewer_page.dart
@@ -40,11 +40,10 @@ class AttachmentViewerPage extends GetView<AttachmentViewerController> {
        if (controller.fileType == 'pdf') {
          if (controller.localFilePath.isNotEmpty) {
            return PDFView(
-              key: ValueKey(controller.localFilePath.value),
              filePath: controller.localFilePath.value,
              enableSwipe: true,
-              swipeHorizontal: false,
-              autoSpacing: false,
+              swipeHorizontal: true,
+              autoSpacing: true,
              pageFling: true,
              onRender: (pages) {
                print("PDF rendered with $pages pages.");
--- a/ln_jq_app/lib/pages/c_page/car_info/certificate_viewer_controller.dart
+++ b/ln_jq_app/lib/pages/c_page/car_info/certificate_viewer_controller.dart
@@ -1,21 +1,77 @@
+import 'dart:io';
+import 'package:dio/dio.dart';
 import 'package:get/get.dart';
 import 'package:getx_scaffold/getx_scaffold.dart';
+import 'package:path_provider/path_provider.dart';

 import 'attachment_viewer_page.dart';

-class CertificateViewerController extends GetxController {
+class CertificateViewerController extends GetxController with BaseControllerMixin{
  late final String title;
  late final List<String> attachments;

+  // --- 新增: 状态管理 ---
+  /// 用于存储网络PDF的本地路径，key是网络url，value是本地路径
+  final RxMap<String, String> localPdfPaths = <String, String>{}.obs;
+
+  /// 用于跟踪每个附件的加载状态，key是网络url
+  final RxMap<String, bool> isLoading = <String, bool>{}.obs;
+
+  @override
+  String get builderId => "certificateviewer";
+
  @override
  void onInit() {
    super.onInit();
-    // 从 Get.to 的 arguments 中获取标题和附件列表
    title = Get.arguments['title'] ?? '证件详情';
    attachments = List<String>.from(Get.arguments['attachments'] ?? []);
+
+    // --- 新增: 初始化时开始加载所有PDF ---
+    _loadAllPdfs();
  }

-  /// 导航到通用的附件查看器页面
+  /// 遍历所有附件，如果是PDF则进行下载
+  void _loadAllPdfs() {
+    for (var url in attachments) {
+      if (isPdf(url)) {
+        _downloadPdf(url);
+      }
+    }
+  }
+
+  /// 下载单个PDF文件
+  Future<void> _downloadPdf(String url) async {
+    if (url.isEmpty) return;
+
+    // 开始加载
+    isLoading[url] = true;
+
+    try {
+      final dio = Dio();
+      final Directory tempDir = await getTemporaryDirectory();
+      final String savePath = '${tempDir.path}/${url.split('/').last}';
+
+      // 检查文件是否已存在，避免重复下载
+      if (await File(savePath).exists()) {
+        localPdfPaths[url] = savePath;
+        isLoading[url] = false;
+        return;
+      }
+
+      await dio.download(url, savePath);
+
+      // 下载成功后，更新本地路径
+      localPdfPaths[url] = savePath;
+    } catch (e) {
+      print('PDF download error for $url: $e');
+      // 出错时也可以更新状态，以便UI显示错误提示
+    } finally {
+      // 结束加载
+      isLoading[url] = false;
+    }
+  }
+
+  /// 导航到通用的附件查看器页面 (此方法保持不变)
  void openAttachment(String url) {
    if (url.isEmpty) {
      showErrorToast('附件链接无效');
@@ -23,15 +79,17 @@ class CertificateViewerController extends GetxController {
    }

    Get.to(
-      () => const AttachmentViewerPage(),
+          () => const AttachmentViewerPage(),
      arguments: {
-        'url': url, 
+        'url': url,
      },
    );
  }

-  /// 检查 URL 是否为 PDF，以便在视图中显示不同的图标
+  /// 检查 URL 是否为 PDF (此方法保持不变)
  bool isPdf(String url) {
    return url.toLowerCase().endsWith('.pdf');
  }
+
+
 }
--- a/ln_jq_app/lib/pages/c_page/car_info/certificate_viewer_page.dart
+++ b/ln_jq_app/lib/pages/c_page/car_info/certificate_viewer_page.dart
@@ -1,51 +1,114 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_pdfview/flutter_pdfview.dart'; // 引入PDFView
 import 'package:get/get.dart';
+import 'package:getx_scaffold/common/common.dart';

 import 'certificate_viewer_controller.dart';

 class CertificateViewerPage extends GetView<CertificateViewerController> {
-  const CertificateViewerPage({Key? key}) : super(key: key);
+  const CertificateViewerPage({super.key});

  @override
  Widget build(BuildContext context) {
-    Get.put(CertificateViewerController());
-
-    return Scaffold(
-      appBar: AppBar(
-        title: Text(controller.title),
-        centerTitle: true,
-      ),
-      body: ListView.builder(
-        padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 12),
-        itemCount: controller.attachments.length,
-        itemBuilder: (context, index) {
-          final url = controller.attachments[index];
-          // 从 URL 中提取文件名用于显示
-          final fileName = url.split('/').last;
-
-          return Card(
-            elevation: 2,
-            margin: const EdgeInsets.only(bottom: 12),
-            child: ListTile(
-              leading: Icon(
-                controller.isPdf(url)
-                    ? Icons.picture_as_pdf_rounded // PDF 图标
-                    : Icons.image_rounded, // 图片图标
-                color: controller.isPdf(url) ? Colors.red.shade700 : Colors.blue.shade700,
-                size: 32,
+    return GetBuilder<CertificateViewerController>(
+      init: CertificateViewerController(),
+      id: 'certificateviewer',
+      builder: (_) {
+        return Scaffold(
+          appBar: AppBar(title: Text(controller.title)),
+          body: Column(
+            children: [
+              SizedBox(height: 16,),
+              Text(
+                "点击可查看大图",
+                textAlign: TextAlign.center,
+                style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
              ),
-              title: Text(
-                fileName,
-                style: const TextStyle(fontSize: 14),
-                maxLines: 2,
-                overflow: TextOverflow.ellipsis,
+              Expanded(
+                child: ListView.builder(
+                  padding: const EdgeInsets.all(16.0),
+                  itemCount: controller.attachments.length,
+                  itemBuilder: (context, index) {
+                    final url = controller.attachments[index];
+                    return _buildAttachmentItem(url);
+                  },
+                ),
              ),
-              trailing: const Icon(Icons.arrow_forward_ios_rounded, size: 16, color: Colors.grey),
-              onTap: () => controller.openAttachment(url),
-            ),
-          );
-        },
+            ],
+          ),
+        );
+      },
+    );
+  }
+
+  /// 构建单个附件的显示项
+  Widget _buildAttachmentItem(String url) {
+    return GestureDetector(
+      onTap: () {
+        controller.openAttachment(url);
+      }, // 点击跳转到详情页
+      child: Card(
+        margin: const EdgeInsets.only(bottom: 16.0),
+        clipBehavior: Clip.antiAlias, // 确保内容不会溢出Card的圆角
+        elevation: 4,
+        // 等比缩放展示
+        child: AspectRatio(
+          aspectRatio: 4 / 3,
+          child: controller.isPdf(url)
+              ? Obx(() {
+                  final bool loading = controller.isLoading[url] ?? true;
+                  final String? localPath = controller.localPdfPaths[url];
+
+                  if (loading) {
+                    return _buildLoadingIndicator();
+                  } else if (localPath != null && localPath.isNotEmpty) {
+                    return IgnorePointer(
+                      ignoring: true, // 设置为 true 来忽略所有指针事件
+                      child: PDFView(
+                        fitEachPage: true,
+                        filePath: localPath,
+                        fitPolicy: FitPolicy.WIDTH,
+                        // 适配宽度
+                        enableSwipe: false,
+                        swipeHorizontal: false,
+                        autoSpacing: false,
+                        pageFling: false,
+                        preventLinkNavigation: true, // 顺便禁用PDF内部链接的跳转
+                      ),
+                    );
+                  } else {
+                    // PDF加载失败
+                    return _buildErrorIndicator();
+                  }
+                })
+              : Image.network(
+                  url,
+                  fit: BoxFit.contain,
+                  // 图片加载时显示loading
+                  loadingBuilder: (context, child, loadingProgress) {
+                    if (loadingProgress == null) return child;
+                    return _buildLoadingIndicator();
+                  },
+                  // 图片加载失败时显示错误
+                  errorBuilder: (context, error, stackTrace) {
+                    return _buildErrorIndicator();
+                  },
+                ),
+        ),
      ),
    );
  }
+
+  // 辅助Widget：加载中指示器
+  Widget _buildLoadingIndicator() {
+    return const SizedBox(height: 200, child: Center(child: CircularProgressIndicator()));
+  }
+
+  // 辅助Widget：错误指示器
+  Widget _buildErrorIndicator() {
+    return const SizedBox(
+      height: 200,
+      child: Center(child: Icon(Icons.error_outline, color: Colors.red, size: 48)),
+    );
+  }
 }
--- a/ln_jq_app/lib/pages/c_page/reservation/controller.dart
+++ b/ln_jq_app/lib/pages/c_page/reservation/controller.dart
@@ -809,6 +809,25 @@ class C_ReservationController extends GetxController with BaseControllerMixin {
  }

  void getSiteList() async {
+    if(StorageService.to.phone == "13344444444"){
+      //该账号给stationOptions手动添加一个数据
+      final testStation = StationModel(
+        hydrogenId: '1142167389150920704',
+        name: '羚牛氢能演示加氢站',
+        address: '上海市嘉定区于田南路111号于田大厦',
+        price: '35.00', // 价格
+        siteStatusName: '营运中', // 状态
+        isSelect: 1, // 默认可选
+      );
+      //    使用 assignAll 可以确保列表只包含这个测试数据
+      stationOptions.assignAll([testStation]);
+
+      if (stationOptions.isNotEmpty) {
+        selectedStationId.value = stationOptions.first.hydrogenId;
+      }
+      return;
+    }
+
    showLoading("加载中");
    final originalHeaders = Map<String, dynamic>.from(HttpService.to.dio.options.headers);
    try {
@@ -849,6 +868,19 @@ class C_ReservationController extends GetxController with BaseControllerMixin {
        } else {
          showToast('站点列表已刷新');
        }
+
+        // 找到第一个可选的站点作为默认值
+        if (stationOptions.isNotEmpty) {
+          final firstSelectable = stationOptions.firstWhere(
+                (station) => station.isSelect == 1,
+            orElse: () => stationOptions.first, // 降级：如果没有可选的，就用第一个
+          );
+          selectedStationId.value = firstSelectable.hydrogenId;
+        } else {
+          // 如果列表为空，确保 selectedStationId 也为空
+          selectedStationId.value = null;
+        }
+
      } catch (e) {
        showToast('数据异常');
      }
--- a/ln_jq_app/lib/pages/c_page/reservation/view.dart
+++ b/ln_jq_app/lib/pages/c_page/reservation/view.dart
@@ -437,20 +437,40 @@ class ReservationPage extends GetView<C_ReservationController> {
                    ),
                  )
                  .toList(),
-              value: controller.selectedStationId.value,
+              value:
+                  // 当前的站点 处理默认
+                  controller.selectedStationId.value ??
+                  (controller.stationOptions.isNotEmpty
+                      ? controller.stationOptions.first.hydrogenId
+                      : null),
              // 当前选中的是站点ID
              onChanged: (value) {
                if (value != null) {
                  controller.selectedStationId.value = value;
                }
              },
-              customButton: controller.selectedStationId.value == null
-                  ? null // 未选择时，显示默认的 hint
-                  : _buildSelectedStationButton(
-                      controller.stationOptions.firstWhere(
-                        (s) => s.hydrogenId == controller.selectedStationId.value,
-                      ),
-                    ),
+              customButton: Obx(() {
+                // 优先从已选中的 ID 查找
+                var selectedStation = controller.stationOptions.firstWhereOrNull(
+                  (s) => s.hydrogenId == controller.selectedStationId.value,
+                );
+
+                // 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
+                final stationToShow =
+                    selectedStation ??
+                    (controller.stationOptions.isNotEmpty
+                        ? controller.stationOptions.first
+                        : null);
+
+                // 如果有要显示的站点，就构建按钮
+                if (stationToShow != null) {
+                  return _buildSelectedStationButton(stationToShow);
+                }
+
+                // 否则，返回一个空占位符，让 hint 生效
+                // DropdownButton2 内部会判断，如果 customButton 返回的不是一个有效Widget（或根据其内部逻辑），就会显示 hint
+                return const SizedBox.shrink();
+              }),
              buttonStyleData: ButtonStyleData(
                height: 40, // 增加高度以容纳两行文字
                padding: const EdgeInsets.symmetric(horizontal: 12.0),