云算力平台windows桌面应用

2026-01-22 15:14:27 +08:00
commit 1fe0e54138
52 changed files with 5447 additions and 0 deletions
--- a/lib/screens/log_viewer_screen.dart
+++ b/lib/screens/log_viewer_screen.dart
@@ -0,0 +1,145 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import '../providers/client_provider.dart';
+import '../services/log_service.dart';
+import 'dart:async';
+
+class LogViewerScreen extends StatefulWidget {
+  const LogViewerScreen({super.key});
+
+  @override
+  State<LogViewerScreen> createState() => _LogViewerScreenState();
+}
+
+class _LogViewerScreenState extends State<LogViewerScreen> {
+  final LogService _logService = LogService();
+  final ScrollController _scrollController = ScrollController();
+  String _logs = '';
+  StreamSubscription<String>? _logSubscription;
+  StreamSubscription<String>? _clientLogSubscription;
+  bool _autoScroll = true;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadLogs();
+    _startMonitoring();
+  }
+
+  Future<void> _loadLogs() async {
+    final logs = await _logService.getRecentLogs();
+    setState(() {
+      _logs = logs;
+    });
+    if (_autoScroll && _scrollController.hasClients) {
+      _scrollToBottom();
+    }
+  }
+
+  void _startMonitoring() {
+    // 监控日志文件
+    _logSubscription = _logService.logStream.listen((log) {
+      setState(() {
+        _logs += '\n$log';
+      });
+      if (_autoScroll && _scrollController.hasClients) {
+        _scrollToBottom();
+      }
+    });
+    
+    // 监控客户端日志流
+    final clientProvider = Provider.of<ClientProvider>(context, listen: false);
+    _clientLogSubscription = clientProvider.logStream.listen((log) {
+      setState(() {
+        _logs += '\n$log';
+      });
+      if (_autoScroll && _scrollController.hasClients) {
+        _scrollToBottom();
+      }
+    });
+  }
+
+  void _scrollToBottom() {
+    if (_scrollController.hasClients) {
+      _scrollController.animateTo(
+        _scrollController.position.maxScrollExtent,
+        duration: const Duration(milliseconds: 300),
+        curve: Curves.easeOut,
+      );
+    }
+  }
+
+  @override
+  void dispose() {
+    _logSubscription?.cancel();
+    _clientLogSubscription?.cancel();
+    _scrollController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('日志查看'),
+        actions: [
+          IconButton(
+            icon: Icon(_autoScroll ? Icons.arrow_downward : Icons.arrow_upward),
+            onPressed: () {
+              setState(() {
+                _autoScroll = !_autoScroll;
+              });
+            },
+            tooltip: _autoScroll ? '关闭自动滚动' : '开启自动滚动',
+          ),
+          IconButton(
+            icon: const Icon(Icons.refresh),
+            onPressed: _loadLogs,
+            tooltip: '刷新日志',
+          ),
+          IconButton(
+            icon: const Icon(Icons.clear),
+            onPressed: () async {
+              final confirmed = await showDialog<bool>(
+                context: context,
+                builder: (context) => AlertDialog(
+                  title: const Text('确认清理'),
+                  content: const Text('确定要清理所有日志吗？'),
+                  actions: [
+                    TextButton(
+                      onPressed: () => Navigator.pop(context, false),
+                      child: const Text('取消'),
+                    ),
+                    TextButton(
+                      onPressed: () => Navigator.pop(context, true),
+                      child: const Text('确定'),
+                    ),
+                  ],
+                ),
+              );
+              
+              if (confirmed == true) {
+                await _logService.clearLogs();
+                _loadLogs();
+              }
+            },
+            tooltip: '清理日志',
+          ),
+        ],
+      ),
+      body: Container(
+        padding: const EdgeInsets.all(8.0),
+        child: SingleChildScrollView(
+          controller: _scrollController,
+          child: SelectableText(
+            _logs.isEmpty ? '暂无日志' : _logs,
+            style: const TextStyle(
+              fontFamily: 'monospace',
+              fontSize: 12,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}