ver1.00.00

bindQR fix
2026-04-19 23:31:52 +08:00
parent c5c3f7c8f5
commit b985cd1f9e
4 changed files with 166 additions and 200 deletions
--- a/lib/pages/home/home_page.dart
+++ b/lib/pages/home/home_page.dart
@@ -3,6 +3,7 @@ import 'package:unionapp/pages/music/music_page.dart';
 import '../../service/recommendation_helper.dart';
 import '../../service/song_service.dart';
 import '../../tool/gradientText.dart';
+import '../score/updateScorePage.dart';
 import '../user/userpage.dart';
 import '../scorelist.dart';
 import 'package:provider/provider.dart';
@@ -182,7 +183,7 @@ class HomePage extends StatelessWidget {
                  const SizedBox(width: 4),
                  Expanded(
                    flex: 6,
-                    child: _buildQuickActionButtons(), // 快捷按钮组件
+                    child: _buildQuickActionButtons(context), // 快捷按钮组件
                  ),
                  const SizedBox(width: 10), // 左右间距
                ],
@@ -195,7 +196,7 @@ class HomePage extends StatelessWidget {
    );
  }
 // 右侧快捷按钮区域（你可以自由修改图标、文字、点击事件）
-  Widget _buildQuickActionButtons() {
+  Widget _buildQuickActionButtons(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
@@ -225,7 +226,12 @@ class HomePage extends StatelessWidget {
                end: Alignment.bottomRight,
              ),
              color: Colors.pinkAccent.shade100,
-              onTap: () {},
+              onTap: () {
+                Navigator.push(
+                  context,
+                  MaterialPageRoute(builder: (context) => const BindAccountPage()),
+                );
+              },
            ),
            _quickActionItem(
              icon: Icons.stars_outlined,
--- a/lib/pages/score/updateScorePage.dart
+++ b/lib/pages/score/updateScorePage.dart
@@ -7,29 +7,29 @@ import 'package:provider/provider.dart';

 import '../../providers/user_provider.dart';

-class UpdateScorePage extends StatefulWidget {
-  const UpdateScorePage({super.key});
+class BindAccountPage extends StatefulWidget {
+  const BindAccountPage({super.key});

  @override
-  State<UpdateScorePage> createState() => _UpdateScorePageState();
+  State<BindAccountPage> createState() => _BindAccountPageState();
 }

-class _UpdateScorePageState extends State<UpdateScorePage> {
-  final TextEditingController _segaIdController = TextEditingController();
+class _BindAccountPageState extends State<BindAccountPage> {
+  final TextEditingController _qrContentController = TextEditingController();
  final ImagePicker _picker = ImagePicker();

  bool _isProcessing = false;
  String? _statusMessage;
-  File? _selectedImageFile; // 用于预览
+  File? _selectedImageFile; // 用户选择的原始二维码截图

-  // 条码扫描器 (支持 QR Code, Data Matrix, Aztec 等)
+  // 条码扫描器
  final BarcodeScanner _barcodeScanner = BarcodeScanner(
-    formats: [BarcodeFormat.qrCode, BarcodeFormat.dataMatrix, BarcodeFormat.aztec],
+    formats: [BarcodeFormat.qrCode],
  );

  @override
  void dispose() {
-    _segaIdController.dispose();
+    _qrContentController.dispose();
    _barcodeScanner.close();
    super.dispose();
  }
@@ -46,7 +46,6 @@ class _UpdateScorePageState extends State<UpdateScorePage> {
        _selectedImageFile = File(pickedFile.path);
      });

-      // 执行二维码识别
      final inputImage = InputImage.fromFilePath(pickedFile.path);
      final List<Barcode> barcodes = await _barcodeScanner.processImage(inputImage);

@@ -54,23 +53,15 @@ class _UpdateScorePageState extends State<UpdateScorePage> {
        _isProcessing = false;
      });

-      if (barcodes.isNotEmpty) {
-        // 取第一个识别到的二维码内容
-        final String code = barcodes.first.rawValue ?? "";
-
-        if (code.isNotEmpty) {
+      if (barcodes.isNotEmpty && barcodes.first.rawValue != null) {
+        final String code = barcodes.first.rawValue!;
        setState(() {
-            _segaIdController.text = code;
-            _statusMessage = "识别成功: $code";
+          _qrContentController.text = code;
+          _statusMessage = "识别成功";
        });
      } else {
        setState(() {
-            _statusMessage = "二维码内容为空";
-          });
-        }
-      } else {
-        setState(() {
-          _statusMessage = "未在图中发现二维码，请手动输入";
+          _statusMessage = "未识别到二维码，请手动输入";
        });
      }

@@ -82,13 +73,13 @@ class _UpdateScorePageState extends State<UpdateScorePage> {
    }
  }

-  // 2. 执行隐写上传
-  Future<void> _handleUpload() async {
-    final segaId = _segaIdController.text.trim();
+  // 2. 执行隐写并上传 (触发后端绑定/登录逻辑)
+  Future<void> _handleBind() async {
+    final qrContent = _qrContentController.text.trim();

-    if (segaId.isEmpty) {
+    if (qrContent.isEmpty) {
      ScaffoldMessenger.of(context).showSnackBar(
-        const SnackBar(content: Text("请输入或扫描二维码"), backgroundColor: Colors.orange),
+        const SnackBar(content: Text("请输入或扫描二维码内容"), backgroundColor: Colors.orange),
      );
      return;
    }
@@ -97,58 +88,54 @@ class _UpdateScorePageState extends State<UpdateScorePage> {

    setState(() {
      _isProcessing = true;
-      _statusMessage = "正在准备图片...";
+      _statusMessage = "正在处理图片...";
    });

    try {
-      // 策略：优先使用用户选择的截图作为载体。
-      // 如果用户没选图，或者选图后删除了，我们可以下载默认背景图作为载体。
-      if (_selectedImageFile != null) {
-        imageBytes = await _selectedImageFile!.readAsBytes();
-      } else {
-        // 下载默认背景图作为隐写载体
      final httpClient = HttpClient();
      final request = await httpClient.getUrl(Uri.parse('https://union.godserver.cn/assets/jpeg/20180621142015_5FmGZ-wYXkyL4y.jpeg'));
      final response = await request.close();
-
-        // 辅助函数：将 HttpClientResponse 转为 Uint8List
      final bytes = <int>[];
      await for (final chunk in response) {
        bytes.addAll(chunk);
      }
      imageBytes = Uint8List.fromList(bytes);
-      }

-      if (imageBytes == null || imageBytes.isEmpty) {
-        throw Exception("图片数据无效");
-      }
+      if (imageBytes == null || imageBytes.isEmpty) throw Exception("图片数据无效");

      setState(() {
-        _statusMessage = "正在隐写并上传...";
+        _statusMessage = "正在提交绑定请求...";
      });

-      // 调用 Provider 上传
+      // 调用 Provider
+      // 注意：这里 segaId 参数其实传的是 QR Code 的内容
      final userProvider = context.read<UserProvider>();
-      final result = await userProvider.uploadStegImage(imageBytes, segaId: segaId);
+      final result = await userProvider.uploadStegImage(imageBytes, segaId: qrContent);

      setState(() {
        _isProcessing = false;
-        _statusMessage = "上传成功!";
      });

+      // 处理后端返回
      if (mounted) {
+        if (result['code'] == 200) {
          ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(content: Text("上传成功: ${result['msg']}"), backgroundColor: Colors.green),
+            SnackBar(content: Text("✅ ${result['msg']}"), backgroundColor: Colors.green, duration: const Duration(seconds: 5)),
          );
-        // 可选：清空表单
-        // _segaIdController.clear();
-        // _selectedImageFile = null;
+          // 绑定成功后，通常建议刷新用户信息
+          await userProvider.initUser();
+        } else {
+          // 后端返回 500 或其他错误
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(content: Text("❌ ${result['msg']}"), backgroundColor: Colors.red, duration: const Duration(seconds: 5)),
+          );
+        }
      }

    } catch (e) {
      setState(() {
        _isProcessing = false;
-        _statusMessage = "上传失败: $e";
+        _statusMessage = "网络或处理错误: $e";
      });
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
@@ -161,10 +148,15 @@ class _UpdateScorePageState extends State<UpdateScorePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
+      appBar: AppBar(
+        title: const Text("绑定 / 刷新 Sega 账号"),
+        backgroundColor: Colors.black.withOpacity(0.5),
+        elevation: 0,
+      ),
      body: Stack(
        fit: StackFit.expand,
        children: [
-          // 1. 背景图片
+          // 背景图
          Image.network(
            'https://union.godserver.cn/assets/jpeg/20180621142015_5FmGZ-wYXkyL4y.jpeg',
            fit: BoxFit.cover,
@@ -172,15 +164,13 @@ class _UpdateScorePageState extends State<UpdateScorePage> {
              if (loadingProgress == null) return child;
              return Container(color: Colors.black);
            },
-            errorBuilder: (context, error, stackTrace) {
-              return Container(color: Colors.grey[900]);
-            },
+            errorBuilder: (context, error, stackTrace) => Container(color: Colors.grey[900]),
          ),

-          // 2. 深色遮罩
-          Container(color: Colors.black.withOpacity(0.7)),
+          // 遮罩
+          Container(color: Colors.black.withOpacity(0.75)),

-          // 3. 主体内容
+          // 内容
          SafeArea(
            child: Center(
              child: SingleChildScrollView(
@@ -188,37 +178,39 @@ class _UpdateScorePageState extends State<UpdateScorePage> {
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
-                    // 标题
+                    const Icon(Icons.qr_code_scanner, size: 60, color: Colors.white70),
+                    const SizedBox(height: 16),
                    const Text(
-                      "更新成绩 / 二维码",
-                      style: TextStyle(
-                        fontSize: 24,
-                        fontWeight: FontWeight.bold,
-                        color: Colors.white,
+                      "请提供 Sega 登录二维码",
+                      style: TextStyle(fontSize: 18, color: Colors.white, fontWeight: FontWeight.bold),
                    ),
+                    const SizedBox(height: 8),
+                    const Text(
+                      "支持识别截图或手动输入二维码内容\n用于绑定账号或刷新登录状态",
+                      style: TextStyle(fontSize: 14, color: Colors.white60),
+                      textAlign: TextAlign.center,
                    ),
                    const SizedBox(height: 30),

-                    // 卡片容器
+                    // 输入卡片
                    Container(
                      padding: const EdgeInsets.all(20),
                      decoration: BoxDecoration(
-                        color: Colors.white.withOpacity(0.15),
+                        color: Colors.white.withOpacity(0.1),
                        borderRadius: BorderRadius.circular(16),
                        border: Border.all(color: Colors.white.withOpacity(0.2)),
                      ),
                      child: Column(
                        children: [
-                          // 输入框
                          TextField(
-                            controller: _segaIdController,
+                            controller: _qrContentController,
                            style: const TextStyle(color: Colors.white),
+                            maxLines: 10,
                            decoration: InputDecoration(
-                              labelText: "Sega ID / 二维码内容",
+                              labelText: "二维码内容 (QR Data)",
                              labelStyle: const TextStyle(color: Colors.white70),
-                              hintText: "手动输入或点击下方按钮识别",
+                              hintText: "例如: SGWCMAID...",
                              hintStyle: const TextStyle(color: Colors.white38),
-                              prefixIcon: const Icon(Icons.qr_code, color: Colors.white70),
                              enabledBorder: OutlineInputBorder(
                                borderSide: const BorderSide(color: Colors.white38),
                                borderRadius: BorderRadius.circular(12),
@@ -232,60 +224,42 @@ class _UpdateScorePageState extends State<UpdateScorePage> {

                          const SizedBox(height: 20),

-                          // 图片预览区域 (如果有)
+                          // 预览图
                          if (_selectedImageFile != null)
                            ClipRRect(
                              borderRadius: BorderRadius.circular(8),
-                              child: Image.file(
-                                _selectedImageFile!,
-                                height: 150,
-                                fit: BoxFit.contain,
-                              ),
+                              child: Image.file(_selectedImageFile!, height: 120, fit: BoxFit.contain),
                            ),

                          if (_selectedImageFile != null) const SizedBox(height: 15),

-                          // 操作按钮组
+                          // 按钮组
                          Row(
                            children: [
-                              // 识别二维码按钮
                              Expanded(
                                child: ElevatedButton.icon(
                                  onPressed: _isProcessing ? null : _pickImageAndScan,
-                                  icon: const Icon(Icons.camera_alt),
+                                  icon: const Icon(Icons.image_search),
                                  label: const Text("识别截图"),
                                  style: ElevatedButton.styleFrom(
                                    backgroundColor: Colors.blueAccent,
                                    foregroundColor: Colors.white,
                                    padding: const EdgeInsets.symmetric(vertical: 12),
-                                    shape: RoundedRectangleBorder(
-                                      borderRadius: BorderRadius.circular(8),
                                  ),
                                ),
                              ),
-                              ),
-
-                              const SizedBox(width: 10),
-
-                              // 上传按钮
+                              const SizedBox(width: 12),
                              Expanded(
-                                flex: 1,
                                child: ElevatedButton.icon(
-                                  onPressed: _isProcessing ? null : _handleUpload,
+                                  onPressed: _isProcessing ? null : _handleBind,
                                  icon: _isProcessing
-                                      ? const SizedBox(
-                                    width: 16, height: 16,
-                                    child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white),
-                                  )
-                                      : const Icon(Icons.cloud_upload),
-                                  label: Text(_isProcessing ? "处理中..." : "上传"),
+                                      ? const SizedBox(width: 16, height: 16, child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white))
+                                      : const Icon(Icons.login),
+                                  label: Text(_isProcessing ? "处理中" : "绑定/刷新"),
                                  style: ElevatedButton.styleFrom(
                                    backgroundColor: Colors.green,
                                    foregroundColor: Colors.white,
                                    padding: const EdgeInsets.symmetric(vertical: 12),
-                                    shape: RoundedRectangleBorder(
-                                      borderRadius: BorderRadius.circular(8),
-                                    ),
                                  ),
                                ),
                              ),
@@ -295,17 +269,14 @@ class _UpdateScorePageState extends State<UpdateScorePage> {
                      ),
                    ),

-                    // 状态提示
+                    // 状态消息
                    if (_statusMessage != null)
                      Padding(
                        padding: const EdgeInsets.only(top: 20),
                        child: Text(
                          _statusMessage!,
                          style: TextStyle(
-                            color: _statusMessage!.contains("失败") || _statusMessage!.contains("错误")
-                                ? Colors.redAccent
-                                : Colors.white70,
-                            fontSize: 14,
+                            color: _statusMessage!.contains("失败") || _statusMessage!.contains("错误") ? Colors.redAccent : Colors.white70,
                          ),
                          textAlign: TextAlign.center,
                        ),
--- a/lib/service/steganography_util.dart
+++ b/lib/service/steganography_util.dart
@@ -1,114 +1,104 @@
 import 'dart:convert';
 import 'dart:typed_data';
 import 'package:image/image.dart' as img;
-import '../tool/encryption_util.dart';

 class SteganographyUtil {
  static const String MAGIC_HEADER = 'SGWCMAID';

-  /// 图片隐写：将数据藏进图片 R 通道最低位
+  /// 图片隐写：写入数据
  static Uint8List hideDataInImage(Uint8List imageBytes, String secretData) {
-    if (!secretData.startsWith(MAGIC_HEADER)) {
-      throw Exception('数据格式不正确，必须以 $MAGIC_HEADER 开头');
-    }
-
-    // 1. 加密 + 压缩
-    final encryptedString = EncryptionUtil.encryptAndCompress(secretData);
-
-    // 2. 转为字节并添加 \0 结束符
-    final dataBytes = utf8.encode(encryptedString);
-    final payload = Uint8List(dataBytes.length + 1);
-    payload.setRange(0, dataBytes.length, dataBytes);
-    payload[dataBytes.length] = 0; // \0
-
-    // 3. 解码图片
+    // 1. 解码图片
    final image = img.decodeImage(imageBytes);
    if (image == null) throw Exception('图片解码失败');

-    // 4. 获取像素数据
-    final imageData = image.data;
-    if (imageData == null) throw Exception('图片数据为空');
+    // 2. 准备数据：必须以 MAGIC_HEADER 开头，并以 \0 结尾
+    final dataBytes = utf8.encode(secretData);
+    final payload = Uint8List(dataBytes.length + 1);
+    payload.setRange(0, dataBytes.length, dataBytes);
+    payload[dataBytes.length] = 0; // 终止符

-    // 【关键修复】ByteBuffer 必须转换为 Uint8List 才能进行 [] 操作和获取 length
-    // 注意：asUint8List() 返回的是原 buffer 的视图，修改它会直接修改 image 数据
-    final Uint8List pixels = imageData.buffer.asUint8List();
-
-    // 检查容量 (R通道只有 width * height 个字节可用)
-    // pixels.length 是总字节数 (width * height * 4)
-    final maxBits = pixels.length ~/ 4;
-    if (payload.length * 8 > maxBits) {
-      throw Exception('图片容量不足！需要 ${payload.length * 8} bits，图片仅提供 ${maxBits} bits');
+    // 检查容量
+    if (payload.length * 8 > image.width * image.height) {
+      throw Exception('图片像素不足以容纳数据');
    }

-    // 5. 执行 LSB 隐写
-    _writeLsbRChannel(pixels, payload);
+    int payloadIndex = 0;
+    int bitIndex = 7; // MSB First (最高位优先)

-    // 6. 导出 PNG
-    return img.encodePng(image);
+    // ✅ 修复：必须严格按照 Java 的 (y, x) 顺序遍历，确保坐标对齐
+    bool finished = false;
+    for (int y = 0; y < image.height; y++) {
+      for (int x = 0; x < image.width; x++) {
+        if (payloadIndex >= payload.length) {
+          finished = true;
+          break;
        }

-  /// 从图片中提取数据
+        // 获取当前坐标的像素
+        final pixel = image.getPixel(x, y);
+
+        // 取出当前字节的特定位
+        int currentByte = payload[payloadIndex];
+        int bit = (currentByte >> bitIndex) & 1;
+
+        // ✅ 修复：通过 red 分量操作，屏蔽不同图片格式（RGBA/BGRA）的底层差异
+        int r = pixel.r.toInt();
+        int g = pixel.g.toInt();
+        int b = pixel.b.toInt();
+        int a = pixel.a.toInt();
+
+        // 修改 R 通道最低位
+        r = (r & 0xFE) | bit;
+
+        // 写回像素（保持其他通道不变）
+        image.setPixel(x, y, img.ColorRgba8(r, g, b, a));
+
+        bitIndex--;
+        if (bitIndex < 0) {
+          bitIndex = 7;
+          payloadIndex++;
+        }
+      }
+      if (finished) break;
+    }
+
+    // ✅ 必须导出为 PNG，防止 JPEG 压缩破坏 LSB 位
+    return Uint8List.fromList(img.encodePng(image));
+  }
+
+  /// 提取数据（本地调试用，逻辑需与写入完全对称）
  static String? extractDataFromImage(Uint8List imageBytes) {
    final image = img.decodeImage(imageBytes);
    if (image == null) return null;

-    final imageData = image.data;
-    if (imageData == null) return null;
-
-    // 【关键修复】转换为 Uint8List
-    final Uint8List pixels = imageData.buffer.asUint8List();
-
-    final List<int> extractedBytes = [];
-    int currentByteValue = 0;
+    List<int> extractedBytes = [];
+    int currentByte = 0;
    int bitCount = 0;

-    // 遍历像素 (RGBA, 步长 4)
-    for (int i = 0; i < pixels.length; i += 4) {
-      // 只取 R 通道 (index i) 的最低位
-      int bit = pixels[i] & 1;
+    outer:
+    for (int y = 0; y < image.height; y++) {
+      for (int x = 0; x < image.width; x++) {
+        final pixel = image.getPixel(x, y);
+        int bit = pixel.r.toInt() & 1;

-      currentByteValue = (currentByteValue << 1) | bit;
+        // MSB First 组装字节
+        currentByte = (currentByte << 1) | bit;
        bitCount++;

        if (bitCount == 8) {
-        if (currentByteValue == 0) {
-          break; // 遇到 \0 停止
-        }
-        extractedBytes.add(currentByteValue);
-        currentByteValue = 0;
+          if (currentByte == 0) break outer; // 结束符
+          extractedBytes.add(currentByte);
+          currentByte = 0;
          bitCount = 0;
        }
      }
+    }

    if (extractedBytes.isEmpty) return null;
-
    try {
      return utf8.decode(extractedBytes);
    } catch (e) {
      return null;
    }
  }
-
-  /// 核心写入：仅修改 R 通道
-  static void _writeLsbRChannel(Uint8List pixels, Uint8List payload) {
-    int payloadIndex = 0;
-    int bitIndex = 0; // 0-7
-
-    for (int i = 0; i < pixels.length; i += 4) {
-      if (payloadIndex >= payload.length) break;
-
-      int currentByte = payload[payloadIndex];
-      // 取当前字节的第 bitIndex 位 (从高位到低位)
-      int bit = (currentByte >> (7 - bitIndex)) & 1;
-
-      // 修改 R 通道: 清除最低位，写入新位
-      pixels[i] = (pixels[i] & 0xFE) | bit;
-
-      bitIndex++;
-      if (bitIndex > 7) {
-        bitIndex = 0;
-        payloadIndex++;
-      }
-    }
-  }
 }
--- a/lib/service/user_service.dart
+++ b/lib/service/user_service.dart
@@ -350,7 +350,8 @@ class UserService {
  }) async {
    try {
      // 1. 拼接隐写数据（SGWCMAID 开头）
-      final secretData = 'SGWCMAID$segaId';
+      final secretData = '$segaId';
+      print(secretData);

      // 2. 执行隐写 + 加密
      // 使用 Uint8List.fromList 确保类型兼容，避免 typed_data_patch 错误
@@ -378,14 +379,11 @@ class UserService {

      // 5. 【核心上传】隐写图片
      final res = await _dio.post(
-        '$baseUrl/api/sega/steg',
+        '$baseUrl/api/sega/phone',
        data: formData,
        options: Options(
          headers: {
-            "Authorization": token,
-            // Dio 会自动处理 multipart/form-data 的 boundary，通常不需要手动指定 Content-Type
-            // 但为了严格对齐 JS，如果后端强校验，可以保留，不过 Dio 推荐让它在 FormData 时自动设置
-          },
+            "Authorization": token,},
        ),
      );

@@ -405,6 +403,7 @@ class UserService {
        options: Options(headers: {"Authorization": token}),
      );

+      print(res.data);
      // 返回最终结果
      if (res.data is Map) {
        return Map<String, dynamic>.from(res.data);