windows-desktop: C端基线（Windows 本地实时分析器 + 采集器 bug 修复）

export_all.py

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+"""全库导出为 xlsx（每个表一个 sheet）"""
+import sqlite3
+import pandas as pd
+from pathlib import Path
+from datetime import datetime
+
+DB   = r'C:\Users\lookt\a_stock_timeline\data\a_stock.db'
+OUT  = r'C:\Users\lookt\a_stock_timeline\data\a_stock_all.xlsx'
+
+TABLES = [
+    'trade_calendar',
+    'stock_daily',
+    'lhb_daily',
+    'news_flash',
+    'macro_event',
+    'news_cn',
+    'money_flow',
+    'global_index',
+]
+
+conn = sqlite3.connect(DB)
+
+with pd.ExcelWriter(OUT, engine='openpyxl', datetime_format='YYYY-MM-DD') as writer:
+    for tbl in TABLES:
+        df = pd.read_sql(f'SELECT * FROM {tbl}', conn)
+        print(f'{tbl}: {len(df)} 行 -> sheet')
+        df.to_excel(writer, sheet_name=tbl, index=False)
+
+conn.close()
+print(f'\n[OK] 导出完成: {OUT}')