Update Report Engine Log Display Method
This commit is contained in:
+43
-3
@@ -233,14 +233,54 @@ class ReportAgent:
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- 确保日志目录存在;
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- 使用独立的 loguru sink 写入 Report Engine 专属 log 文件,
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避免与其他子系统混淆。
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- 【修复】配置实时日志写入,禁用缓冲,确保前端实时看到日志
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- 【修复】防止重复添加handler
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"""
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# 确保日志目录存在
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log_dir = os.path.dirname(self.config.LOG_FILE)
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os.makedirs(log_dir, exist_ok=True)
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# 创建专用的logger,避免与其他模块冲突
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# 修改日志级别为DEBUG,确保DEBUG、INFO、WARNING、ERROR级别的日志都能被记录
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logger.add(self.config.LOG_FILE, level="DEBUG")
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# 【修复】检查是否已经添加过这个文件的handler,避免重复
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# loguru会自动去重,但显式检查更安全
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log_file_path = str(Path(self.config.LOG_FILE).resolve())
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# 检查现有的handlers
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handler_exists = False
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for handler_id, handler_config in logger._core.handlers.items():
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if hasattr(handler_config, 'sink'):
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sink = handler_config.sink
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# 检查是否是文件sink且路径相同
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if hasattr(sink, '_name') and sink._name == log_file_path:
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handler_exists = True
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logger.debug(f"日志handler已存在,跳过添加: {log_file_path}")
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break
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if not handler_exists:
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# 【修复】创建专用的logger,配置实时写入
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# - enqueue=False: 禁用异步队列,立即写入
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# - buffering=1: 行缓冲,每条日志立即刷新到文件
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# - level="DEBUG": 记录所有级别的日志
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# - encoding="utf-8": 明确指定UTF-8编码
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# - mode="a": 追加模式,保留历史日志
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handler_id = logger.add(
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self.config.LOG_FILE,
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level="DEBUG",
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enqueue=False, # 禁用异步队列,同步写入
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buffering=1, # 行缓冲,每行立即写入
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serialize=False, # 普通文本格式,不序列化为JSON
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encoding="utf-8", # 明确UTF-8编码
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mode="a" # 追加模式
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)
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logger.debug(f"已添加日志handler (ID: {handler_id}): {self.config.LOG_FILE}")
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# 【修复】验证日志文件可写
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try:
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with open(self.config.LOG_FILE, 'a', encoding='utf-8') as f:
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f.write('') # 尝试写入空字符串验证权限
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f.flush() # 立即刷新
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except Exception as e:
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logger.error(f"日志文件无法写入: {self.config.LOG_FILE}, 错误: {e}")
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raise
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def _initialize_file_baseline(self):
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"""
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@@ -957,9 +957,22 @@ def clear_report_log():
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"""
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try:
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log_file = settings.LOG_FILE
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with open(log_file, 'w', encoding='utf-8') as f:
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f.write('')
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# 【修复】使用truncate而非重新打开,避免与logger的文件句柄冲突
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# 追加模式打开,然后truncate,保持文件句柄有效
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with open(log_file, 'r+', encoding='utf-8') as f:
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f.truncate(0) # 清空文件内容但不关闭文件
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f.flush() # 立即刷新
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logger.info(f"已清空日志文件: {log_file}")
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except FileNotFoundError:
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# 文件不存在,创建空文件
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try:
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with open(log_file, 'w', encoding='utf-8') as f:
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f.write('')
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logger.info(f"创建日志文件: {log_file}")
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except Exception as e:
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logger.exception(f"创建日志文件失败: {str(e)}")
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except Exception as e:
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logger.exception(f"清空日志文件失败: {str(e)}")
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@@ -969,29 +982,58 @@ def get_report_log():
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"""
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获取report.log内容,并按行去除空白返回。
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【修复】优化大文件读取,添加错误处理和文件锁
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返回:
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Response: JSON,包含最新日志行数组。
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"""
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try:
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log_file = settings.LOG_FILE
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if not os.path.exists(log_file):
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return jsonify({
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'success': True,
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'log_lines': []
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})
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with open(log_file, 'r', encoding='utf-8') as f:
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lines = f.readlines()
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# 清理行尾的换行符
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# 【修复】检查文件大小,避免读取过大文件导致内存问题
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file_size = os.path.getsize(log_file)
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max_size = 10 * 1024 * 1024 # 10MB限制
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if file_size > max_size:
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# 文件过大,只读取最后10MB
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with open(log_file, 'rb') as f:
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f.seek(-max_size, 2) # 从文件末尾往前10MB
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# 跳过可能不完整的第一行
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f.readline()
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content = f.read().decode('utf-8', errors='replace')
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lines = content.splitlines()
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logger.warning(f"日志文件过大 ({file_size} bytes),仅返回最后 {max_size} bytes")
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else:
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# 正常大小,完整读取
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with open(log_file, 'r', encoding='utf-8', errors='replace') as f:
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lines = f.readlines()
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# 清理行尾的换行符和空行
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log_lines = [line.rstrip('\n\r') for line in lines if line.strip()]
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return jsonify({
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'success': True,
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'log_lines': log_lines
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})
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except PermissionError as e:
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logger.error(f"读取日志权限不足: {str(e)}")
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return jsonify({
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'success': False,
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'error': '读取日志权限不足'
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}), 403
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except UnicodeDecodeError as e:
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logger.error(f"日志文件编码错误: {str(e)}")
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return jsonify({
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'success': False,
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'error': '日志文件编码错误'
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}), 500
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except Exception as e:
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logger.exception(f"读取日志失败: {str(e)}")
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return jsonify({
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@@ -4,6 +4,12 @@ Flask主应用 - 统一管理三个Streamlit应用
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import os
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import sys
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# 【修复】尽早设置环境变量,确保所有模块都使用无缓冲模式
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os.environ['PYTHONIOENCODING'] = 'utf-8'
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os.environ['PYTHONUTF8'] = '1'
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os.environ['PYTHONUNBUFFERED'] = '1' # 禁用Python输出缓冲,确保日志实时输出
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import subprocess
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import time
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import threading
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@@ -37,10 +43,6 @@ if REPORT_ENGINE_AVAILABLE:
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else:
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logger.info("ReportEngine不可用,跳过接口注册")
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# 设置UTF-8编码环境
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os.environ['PYTHONIOENCODING'] = 'utf-8'
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os.environ['PYTHONUTF8'] = '1'
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# 创建日志目录
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LOG_DIR = Path('logs')
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LOG_DIR.mkdir(exist_ok=True)
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+69
-22
@@ -4467,21 +4467,53 @@
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}
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function refreshReportLog() {
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fetch('/api/report/log')
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.then(response => response.json())
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// 【修复】添加超时控制和完整错误处理
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const controller = new AbortController();
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const timeoutId = setTimeout(() => controller.abort(), 5000); // 5秒超时
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fetch('/api/report/log', { signal: controller.signal })
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.then(response => {
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clearTimeout(timeoutId);
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// 【修复】检查HTTP状态
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if (!response.ok) {
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throw new Error(`HTTP ${response.status}: ${response.statusText}`);
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}
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return response.json();
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})
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.then(data => {
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if (data.success && data.log_lines.length > reportLogLineCount) {
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// 【修复】检查返回的成功状态
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if (!data.success) {
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console.error('[Report日志] 刷新失败:', data.error || '未知错误');
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return;
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}
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if (data.log_lines && data.log_lines.length > reportLogLineCount) {
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// 只添加新的行
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const newLines = data.log_lines.slice(reportLogLineCount);
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// 【调试日志】记录实时读取的日志数量
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if (newLines.length > 0) {
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console.log(`[Report日志] 读取 ${newLines.length} 条新日志(总计 ${data.log_lines.length})`);
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}
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newLines.forEach(line => {
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// 直接添加,使用LogVirtualList的默认批处理机制
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appendConsoleTextLine('report', line);
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});
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reportLogLineCount = data.log_lines.length;
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}
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})
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.catch(error => {
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console.error('刷新Report日志失败:', error);
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clearTimeout(timeoutId);
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// 【修复】区分错误类型
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if (error.name === 'AbortError') {
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console.warn('[Report日志] 刷新超时(5秒)');
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} else if (error.message.includes('Failed to fetch')) {
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console.error('[Report日志] 刷新失败: 网络连接错误');
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} else {
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console.error('[Report日志] 刷新失败:', error.message || error);
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}
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});
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}
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@@ -5113,9 +5145,6 @@
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reportTaskId = data.task_id;
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showMessage('报告生成已启动', 'success');
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// 【修复】立即启动日志实时刷新,确保日志实时显示
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startReportLogRefresh();
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// 更新任务状态显示
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updateTaskProgressStatus({
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task_id: data.task_id,
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@@ -5126,12 +5155,13 @@
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updated_at: new Date().toISOString()
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});
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// 立即刷新一次日志以确保同步
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setTimeout(() => {
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refreshReportLog();
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}, 500);
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appendReportStreamLine('任务创建成功,正在建立流式连接...', 'info', { force: true });
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// 【优化】先启动日志轮询,再建立SSE连接
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// 确保从任务开始就能读取日志
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startReportLogRefresh();
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console.log('[Report日志] 任务创建成功,启动日志轮询');
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if (window.EventSource) {
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openReportStream(reportTaskId);
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} else {
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@@ -5163,18 +5193,25 @@
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// 【修复】启动Report Engine日志实时刷新
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function startReportLogRefresh() {
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// 清除旧的定时器
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// 防重复:如果已经在运行,直接返回
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if (reportLogRefreshInterval) {
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clearInterval(reportLogRefreshInterval);
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reportLogRefreshInterval = null;
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console.log('[Report日志] 日志轮询已在运行,跳过重复启动');
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return;
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}
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// 启动新的日志刷新定时器(1秒刷新一次,保证实时性)
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// 立即刷新一次,获取当前所有日志
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refreshReportLog();
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// 启动定时器,每秒刷新一次
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reportLogRefreshInterval = setInterval(() => {
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if (currentApp === 'report') {
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refreshReportLog();
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} else {
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// 如果切换到其他应用,自动停止轮询
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console.log('[Report日志] 检测到应用切换,停止日志轮询');
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stopReportLogRefresh();
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}
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}, 1000); // 1秒刷新,确保日志实时显示
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}, 1000); // 每秒刷新一次
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console.log('[Report日志] 启动实时日志刷新,频率: 1秒');
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}
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@@ -5421,9 +5458,10 @@
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appendReportStreamLine(isRetry ? 'SSE重连成功' : 'Report Engine流式连接已建立', 'success', { badge: 'SSE' });
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startStreamHeartbeat();
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// 【优化Phase 1.1】删除定时刷新日志的轮询
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// SSE事件流已提供实时推送,无需1秒轮询
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// 这减少了大量不必要的HTTP请求
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// 【修复】启动日志轮询,读取logger.info/debug/warning/error
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// SSE只推送显式事件(stage/chapter_status等),logger日志需要轮询读取
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startReportLogRefresh();
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console.log('[Report日志] SSE连接建立,同步启动日志轮询');
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};
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reportEventSource.onerror = () => {
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appendReportStreamLine('检测到网络抖动,SSE正在等待自动重连...', 'warn', { badge: 'SSE' });
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@@ -5454,6 +5492,7 @@
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if (reportLogRefreshInterval) {
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clearInterval(reportLogRefreshInterval);
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reportLogRefreshInterval = null;
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console.log('[Report日志] SSE连接关闭,停止日志轮询');
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}
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clearStreamHeartbeat();
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if (!keepIndicator) {
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@@ -5560,7 +5599,15 @@
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break;
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case 'completed':
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appendReportStreamLine(payload.message || '任务完成', 'success');
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safeCloseReportStream();
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// 【修复】任务完成前最后一次刷新日志,确保所有日志都被读取
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refreshReportLog();
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// 延迟500ms后关闭SSE,确保最后一次日志刷新完成
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setTimeout(() => {
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safeCloseReportStream();
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}, 500);
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reportTaskId = null;
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setGenerateButtonState(false);
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if (task) {
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