书籍接口与界面

lib/utils/changelog_service.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 import 'package:flutter/foundation.dart';
 import 'package:http/http.dart' as http;
 import 'package:package_info_plus/package_info_plus.dart';
+import 'server_config.dart';
 
 /// 更新日志数据模型
 class ChangelogItem {
@@ -29,7 +30,7 @@ class ChangelogItem {
 
 /// 版本更新检查服务
 class ChangelogService {
-  static const _apiUrl = 'https://api.mooknote.iletter.top/api/changelog';
+  static final _apiUrl = '${ServerConfig.apiBase}/changelog';
 
   /// 获取更新日志列表
   static Future<List<ChangelogItem>> fetchChangelog() async {
@@ -69,6 +70,7 @@ class ChangelogService {
       final rest = s.substring(dot + 1).replaceAll('.', ''); // "19" 或 "188"
       return double.tryParse('$major$rest') ?? 0;
     }
+
     final aVal = toNum(a);
     final bVal = toNum(b);
     debugPrint('[Update] compare: "$a"→$aVal vs "$b"→$bVal');

lib/utils/server_config.dart

@@ -0,0 +1,16 @@
+import 'package:flutter/foundation.dart';
+
+/// 服务端地址配置
+class ServerConfig {
+  ServerConfig._();
+
+  static final String baseUrl = kDebugMode
+      ? 'http://192.168.31.48:27047'
+      : 'http://api.mooknote.iletter.top';
+
+  static final String apiBase = '$baseUrl/api';
+
+  static final String vipBaseUrl = kDebugMode
+      ? 'http://192.168.31.48:8081'
+      : 'http://vipapi.mooknote.iletter.top';
+}

lib/utils/usage_stats_service.dart

@@ -3,9 +3,9 @@ import 'dart:convert';
 import 'dart:io' show Platform;
 import 'dart:math';
 import 'package:flutter/material.dart';
-import 'package:flutter/foundation.dart';
 import 'package:http/http.dart' as http;
 import 'user_prefs.dart';
+import 'server_config.dart';
 
 /// 匿名用户统计服务（静默运行，对用户不可见）
 ///
@@ -18,9 +18,7 @@ class UsageStatsService with WidgetsBindingObserver {
   final UserPrefs _prefs = UserPrefs();
 
   /// 统计服务器地址，debug 走局域网，release 走线上
-  static String serverUrl = kDebugMode
-      ? 'http://192.168.31.48:27047/'
-      : 'http://api.mooknote.iletter.top/';
+  static String serverUrl = '${ServerConfig.baseUrl}/';
   Timer? _heartbeatTimer;
   bool _started = false;
 

lib/utils/user_prefs.dart

@@ -133,6 +133,49 @@ class UserPrefs {
   String get deviceId => prefs.getString('deviceId') ?? '';
   Future<bool> setDeviceId(String value) => prefs.setString('deviceId', value);
 
+  // ========== 搜索历史 ==========
+
+  /// 搜索历史记录
+  List<String> get searchHistory => prefs.getStringList('searchHistory') ?? [];
+  Future<bool> setSearchHistory(List<String> value) => prefs.setStringList('searchHistory', value);
+
+  /// 添加搜索记录（最多 20 条）
+  Future<void> addSearchHistory(String keyword) async {
+    final list = searchHistory;
+    list.remove(keyword);
+    list.insert(0, keyword);
+    if (list.length > 50) { list.removeRange(50, list.length); }
+    await setSearchHistory(list);
+  }
+
+  /// 删除单条搜索记录
+  Future<void> removeSearchHistory(String keyword) async {
+    final list = searchHistory;
+    list.remove(keyword);
+    await setSearchHistory(list);
+  }
+
+  /// 清空搜索历史
+  Future<void> clearSearchHistory() => setSearchHistory([]);
+
+  // ========== 增强搜索 ==========
+
+  /// 是否开启增强搜索
+  bool get enhancedSearchEnabled => prefs.getBool('enhancedSearchEnabled') ?? false;
+  Future<bool> setEnhancedSearchEnabled(bool value) => prefs.setBool('enhancedSearchEnabled', value);
+
+  /// 影视增强搜索 Token
+  String get movieSearchToken => prefs.getString('movieSearchToken') ?? '';
+  Future<bool> setMovieSearchToken(String value) => prefs.setString('movieSearchToken', value);
+
+  /// 书籍增强搜索 Token
+  String get bookSearchToken => prefs.getString('bookSearchToken') ?? '';
+  Future<bool> setBookSearchToken(String value) => prefs.setString('bookSearchToken', value);
+
+  /// 上次搜索的 Tab: 0=影视, 1=书籍
+  int get lastSearchTab => prefs.getInt('lastSearchTab') ?? 0;
+  Future<bool> setLastSearchTab(int value) => prefs.setInt('lastSearchTab', value);
+
   // ========== 版本更新 ==========
 
   /// 已忽略的版本号（不再提示更新）