fix: VLM 参数优化 - temperature 0.7, top_p 0.8, 指令放 system+user

- VisionAsync 新增 Temperature=0.7, TopP=0.8 - system prompt 用专业营养识别指令 - userText 用简短"请看图识别食物"配合图片 - 修复重复 prompt 导致 VLM 误读文本的 bug
2026-06-03 11:12:06 +08:00
parent c6395ea9b4
commit 78573eaa5f
46 changed files with 955 additions and 801 deletions
--- a/health_app/lib/pages/medication/medication_edit_page.dart
+++ b/health_app/lib/pages/medication/medication_edit_page.dart
@@ -0,0 +1,97 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class MedicationEditPage extends ConsumerStatefulWidget {
+  final String? medicationId;
+  const MedicationEditPage({super.key, this.medicationId});
+
+  @override ConsumerState<MedicationEditPage> createState() => _MedicationEditPageState();
+}
+
+class _MedicationEditPageState extends ConsumerState<MedicationEditPage> {
+  final _nameCtrl = TextEditingController(text: '阿司匹林肠溶片');
+  final _dosageCtrl = TextEditingController(text: '100mg');
+  String _frequency = '每日1次';
+  String _time = '08:00';
+  DateTime _startDate = DateTime.now();
+  String _duration = '长期服用';
+
+  @override void dispose() { _nameCtrl.dispose(); _dosageCtrl.dispose(); super.dispose(); }
+
+  @override Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.white,
+      appBar: AppBar(
+        backgroundColor: Colors.white,
+        elevation: 0,
+        leading: IconButton(icon: const Icon(Icons.chevron_left), onPressed: () => Navigator.pop(context)),
+        title: const Text('编辑用药', style: TextStyle(color: Color(0xFF1A1A1A), fontWeight: FontWeight.w600)),
+        centerTitle: true,
+        actions: [
+          TextButton(
+            onPressed: () {
+              ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('保存成功 ✅'), backgroundColor: Color(0xFF635BFF)));
+              Navigator.pop(context);
+            },
+            child: const Text('保存', style: TextStyle(color: Color(0xFF635BFF), fontWeight: FontWeight.w600)),
+          ),
+        ],
+      ),
+      body: SingleChildScrollView(
+        padding: const EdgeInsets.all(20),
+        child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+          const Text('药品信息', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Color(0xFF1A1A1A))),
+          const SizedBox(height: 12),
+          TextField(controller: _nameCtrl, decoration: InputDecoration(hintText: '请输入药品名称', filled: true, fillColor: Colors.grey[50], border: OutlineInputBorder(borderRadius: BorderRadius.circular(12), borderSide: BorderSide.none))),
+          const SizedBox(height: 16),
+          TextField(controller: _dosageCtrl, decoration: InputDecoration(hintText: '如：100mg', filled: true, fillColor: Colors.grey[50], border: OutlineInputBorder(borderRadius: BorderRadius.circular(12), borderSide: BorderSide.none))),
+          const SizedBox(height: 24),
+          const Text('服用设置', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Color(0xFF1A1A1A))),
+          const SizedBox(height: 12),
+          GestureDetector(onTap: _pickFrequency, child: Container(padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14), decoration: BoxDecoration(border: Border.all(color: const Color(0xFFE0E0E0)), borderRadius: BorderRadius.circular(12)), child: Row(children: [Text(_frequency, style: const TextStyle(fontSize: 15)), const Spacer(), const Icon(Icons.keyboard_arrow_down, size: 20, color: Color(0xFF9E9E9E))]))),
+          const SizedBox(height: 16),
+          GestureDetector(onTap: _pickTime, child: Container(padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14), decoration: BoxDecoration(border: Border.all(color: const Color(0xFFE0E0E0)), borderRadius: BorderRadius.circular(12)), child: Row(children: [Text(_time, style: const TextStyle(fontSize: 15)), const Spacer(), const Icon(Icons.access_time, size: 20, color: Color(0xFF9E9E9E))]))),
+          const SizedBox(height: 16),
+          GestureDetector(onTap: _pickDate, child: Container(padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14), decoration: BoxDecoration(border: Border.all(color: const Color(0xFFE0E0E0)), borderRadius: BorderRadius.circular(12)), child: Row(children: [Text('${_startDate.year}-${_startDate.month.toString().padLeft(2, '0')}-${_startDate.day.toString().padLeft(2, '0')}', style: const TextStyle(fontSize: 15)), const Spacer(), const Icon(Icons.calendar_today, size: 20, color: Color(0xFF9E9E9E))]))),
+          const SizedBox(height: 16),
+          GestureDetector(onTap: _pickDuration, child: Container(padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14), decoration: BoxDecoration(border: Border.all(color: const Color(0xFFE0E0E0)), borderRadius: BorderRadius.circular(12)), child: Row(children: [Text(_duration, style: const TextStyle(fontSize: 15)), const Spacer(), const Icon(Icons.keyboard_arrow_down, size: 20, color: Color(0xFF9E9E9E))]))),
+          const SizedBox(height: 32),
+          SizedBox(width: double.infinity, height: 50, child: ElevatedButton(
+            onPressed: () {},
+            style: ElevatedButton.styleFrom(backgroundColor: const Color(0xFF635BFF), foregroundColor: Colors.white, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(25))),
+            child: const Text('新增用药', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
+          )),
+          const SizedBox(height: 20),
+        ]),
+      ),
+    );
+  }
+
+  void _pickFrequency() async {
+    final options = ['每日1次', '每日2次', '每日3次', '每周1次', '按需服用'];
+    final selected = await showModalBottomSheet<String>(
+      context: context,
+      builder: (ctx) => SafeArea(child: Column(mainAxisSize: MainAxisSize.min, children: options.map((o) => ListTile(title: Text(o), onTap: () => Navigator.pop(ctx, o))).toList())),
+    );
+    if (selected != null && mounted) setState(() => _frequency = selected);
+  }
+
+  void _pickTime() async {
+    final time = await showTimePicker(context: context, initialTime: TimeOfDay.now());
+    if (time != null && mounted) setState(() => _time = time.format(context));
+  }
+
+  void _pickDate() async {
+    final date = await showDatePicker(context: context, firstDate: DateTime(2020), lastDate: DateTime(2030), initialDate: _startDate);
+    if (date != null && mounted) setState(() => _startDate = date);
+  }
+
+  void _pickDuration() async {
+    final options = ['长期服用', '7天', '14天', '30天', '90天'];
+    final selected = await showModalBottomSheet<String>(
+      context: context,
+      builder: (ctx) => SafeArea(child: Column(mainAxisSize: MainAxisSize.min, children: options.map((o) => ListTile(title: Text(o), onTap: () => Navigator.pop(ctx, o))).toList())),
+    );
+    if (selected != null && mounted) setState(() => _duration = selected);
+  }
+}