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lib/constants/charge_maps.dart

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+/// 充电功率映射表（有线 / 无线）
+class ChargeMaps {
+  /// 无线充电档位 → 功率（W）
+  static const Map<int, double> wirelessPower = {
+    1: 7.5,
+    2: 15,
+    3: 27,
+    4: 40,
+    5: 50,
+    6: 66,
+  };
+
+  /// 有线充电档位 → 功率（W）
+  /// 新增 27W 档位（对应 9V/3A PPS）
+  static const Map<int, double> wiredPower = {
+    0: 0,
+    1: 7.5,
+    2: 15,
+    3: 18,
+    4: 24,
+    5: 27, // 🟢 新增 27W（9V/3A PPS）
+    6: 30,
+    7: 45,
+    8: 65,
+    9: 80,
+  };
+}

lib/main.dart

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+import 'package:flutter/material.dart';
+import 'pages/battery_health_page.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: '电池健康度',
+      theme: ThemeData(
+        fontFamily: 'HarmonyOS_Sans_SC',
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      home: const BatteryHealthPage(),
+      debugShowCheckedModeBanner: false,
+    );
+  }
+}

lib/models/device_matching.dart

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+/// 机型匹配：设计容量 + 机型名称
+class DeviceMatching {
+  /// 根据机型返回设计容量（mAh）
+  static int getDesignCapacity(String model) {
+    if (model.contains('22')) return 5510;
+    if (model.contains('21 Pro')) return 5050;
+    if (model.contains('21')) return 4800;
+    if (model.contains('20 Pro')) return 5000;
+    if (model.contains('20 INFINITY')) return 4800;
+    if (model.contains('20')) return 4700;
+    if (model.contains('18s Pro')) return 4500;
+    if (model.contains('18s')) return 4000;
+    if (model.contains('18X')) return 4300;
+    if (model.contains('18 Pro')) return 4500;
+    if (model.contains('18')) return 4000;
+    if (model.contains('17 Pro')) return 4500;
+    if (model.contains('17')) return 4500;
+    if (model.contains('16s Pro')) return 3600;
+    if (model.contains('16s')) return 3600;
+    if (model.contains('16T')) return 4500;
+    if (model.contains('16X')) return 3100;
+    if (model.contains('16Xs')) return 3900;
+    if (model.contains('16th Plus')) return 3640;
+    if (model.contains('16th')) return 3010;
+    if (model.contains('15 Plus')) return 3430;
+    if (model.contains('15')) return 3000;
+    return 5050; // 默认 21 Pro
+  }
+
+  /// 根据机型返回显示名称
+  static String getModelName(String model) {
+    if (model.contains('22')) return '魅族22';
+    if (model.contains('21 Pro')) return '魅族21 Pro';
+    if (model.contains('21')) return '魅族21';
+    if (model.contains('20 Pro')) return '魅族20 Pro';
+    if (model.contains('20 INFINITY')) return '魅族20 INFINITY';
+    if (model.contains('20')) return '魅族20';
+    if (model.contains('18s Pro')) return '魅族18s Pro';
+    if (model.contains('18s')) return '魅族18s';
+    if (model.contains('18X')) return '魅族18X';
+    if (model.contains('18 Pro')) return '魅族18 Pro';
+    if (model.contains('18')) return '魅族18';
+    if (model.contains('17 Pro')) return '魅族17 Pro';
+    if (model.contains('17')) return '魅族17';
+    if (model.contains('16s Pro')) return '魅族16s Pro';
+    if (model.contains('16s')) return '魅族16s';
+    if (model.contains('16T')) return '魅族16T';
+    if (model.contains('16X')) return '魅族16X';
+    if (model.contains('16Xs')) return '魅族16Xs';
+    if (model.contains('16th Plus')) return '魅族16th Plus';
+    if (model.contains('16th')) return '魅族16th';
+    if (model.contains('15 Plus')) return '魅族15 Plus';
+    if (model.contains('15')) return '魅族15';
+    return '魅族21 Pro (默认)';
+  }
+}

lib/utils/charge_utils.dart

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+import '../constants/charge_maps.dart';
+
+class ChargeUtils {
+  static String getDisplayPowerWireless(double power) {
+    if (power == 0) return '读取中...';
+    const List<int> levels = [5, 7, 15, 27, 40, 50, 66];
+    if (power < 3) return '≈${power.round()}W';
+    int matchedLevel = levels.firstWhere(
+      (level) => power <= level + 2,
+      orElse: () => levels.last,
+    );
+    return '≈${matchedLevel}W';
+  }
+
+  static String getDisplayPowerWired(
+    double power,
+    int? wiredLevel,
+    String chargeType,
+  ) {
+    // USB 慢充锁定 7.5W
+    if (chargeType == "SDP") return "≈7.5W";
+
+    // 🟢 优先使用 wiredLevel 精确匹配
+    if (wiredLevel != null && ChargeMaps.wiredPower.containsKey(wiredLevel)) {
+      double p = ChargeMaps.wiredPower[wiredLevel]!;
+      if (p > 0) return '≈${p.toInt()}W';
+    }
+
+    // 🟢 匹配阈值收窄到 ±3W，减少跳变
+    double best = 0;
+    for (var entry in ChargeMaps.wiredPower.entries) {
+      if (entry.value <= power + 3 && entry.value > best) {
+        best = entry.value;
+      }
+    }
+    if (power == 0) return '读取中...';
+    return best > 0 ? '≈${best.toInt()}W' : '≈${power.round()}W';
+  }
+
+  static String getChargeTypeLabel(bool isWireless, String chargeType) {
+    if (isWireless) {
+      return chargeType == "无线" ? "无线" : chargeType;
+    }
+    // 🟢 空类型显示"识别中..."，比"等待log信息"更友好
+    if (chargeType.isEmpty) {
+      return "识别中...";
+    }
+    if (chargeType == 'PPS') return 'PPS';
+    if (chargeType == 'SDP') return 'USB';
+    return chargeType;
+  }
+}

lib/widgets/charge_detail_page.dart

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+import 'package:flutter/material.dart';
+import '../utils/charge_utils.dart';
+
+/// 充电详情页
+class ChargeDetailPage extends StatelessWidget {
+  final String chargeType;
+  final bool isWireless;
+  final double power;
+  final double volt;
+  final double curr;
+  final int? wiredLevel;
+
+  const ChargeDetailPage({
+    Key? key,
+    required this.chargeType,
+    required this.isWireless,
+    required this.power,
+    required this.volt,
+    required this.curr,
+    this.wiredLevel,
+  }) : super(key: key);
+
+  String _getDisplayPower() {
+    if (isWireless) {
+      return ChargeUtils.getDisplayPowerWireless(power);
+    } else {
+      return ChargeUtils.getDisplayPowerWired(power, wiredLevel, chargeType);
+    }
+  }
+
+  String _getProtocolDisplay() {
+    if (isWireless) return '无线充电（$chargeType）';
+    if (chargeType == 'PPS') return 'PPS 快充';
+    if (chargeType == 'SDP') return 'USB 充电'; // 🟢 改成和主页面一致
+    return chargeType;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('充电详情'),
+        backgroundColor: const Color.fromARGB(0, 255, 255, 255),
+        elevation: 0,
+        foregroundColor: Colors.black,
+        iconTheme: const IconThemeData(color: Colors.black),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(20.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            _buildDetailRow('协议', _getProtocolDisplay()),
+            const Divider(),
+            _buildDetailRow('功率', _getDisplayPower()),
+            const Divider(),
+            _buildDetailRow('电压', '${volt.toStringAsFixed(2)}V'),
+            const Divider(),
+            _buildDetailRow('电流', '${curr.toStringAsFixed(2)}A'),
+            const Divider(),
+            if (!isWireless && wiredLevel != null)
+              _buildDetailRow('档位', '$wiredLevel'),
+            if (!isWireless && wiredLevel == null) _buildDetailRow('档位', '自动'),
+            if (isWireless) _buildDetailRow('类型', '无线'),
+            const Spacer(),
+            Center(
+              child: Text(
+                '数据来自 BMS 实时日志',
+                style: TextStyle(fontSize: 12, color: Colors.grey.shade500),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildDetailRow(String label, String value) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 6.0),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+        children: [
+          Text(
+            label,
+            style: const TextStyle(
+              fontSize: 16,
+              fontWeight: FontWeight.w400,
+              color: Colors.grey,
+            ),
+          ),
+          Text(
+            value,
+            style: const TextStyle(
+              fontSize: 16,
+              fontWeight: FontWeight.w500,
+              color: Colors.black87,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}