From 8b12cb9322e462fcb4dd78a353d8121f521c257c Mon Sep 17 00:00:00 2001
From: KiriAky 107 <KiriAky107@qq.com>
Date: Wed, 1 Apr 2026 22:53:51 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E6=88=90=E6=9C=AC=E5=9C=B0=E6=97=A5?=
 =?UTF-8?q?=E5=BF=97=E6=9E=84=E5=BB=BA?=
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---
 backend/app/main.py | 43 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/backend/app/main.py b/backend/app/main.py
index f1fe817..86c3a9d 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -2,6 +2,7 @@
 FastAPI 应用主入口
 """
 import logging
+import logging.handlers
 import sys
 import uuid
 from contextlib import asynccontextmanager
@@ -20,9 +21,20 @@ from app.core.database import mysql_db, mongodb, redis_db
 
 def setup_logging():
     """配置应用日志系统"""
+    import os
+    from pathlib import Path
+
     # 根日志配置
     log_level = logging.DEBUG if settings.DEBUG else logging.INFO
 
+    # 日志目录
+    log_dir = Path("data/logs")
+    log_dir.mkdir(parents=True, exist_ok=True)
+
+    # 日志文件路径
+    log_file = log_dir / "app.log"
+    error_log_file = log_dir / "error.log"
+
     # 控制台处理器
     console_handler = logging.StreamHandler(sys.stdout)
     console_handler.setLevel(log_level)
@@ -32,16 +44,45 @@ def setup_logging():
     )
     console_handler.setFormatter(console_formatter)
 
+    # 文件处理器 (所有日志)
+    file_handler = logging.handlers.RotatingFileHandler(
+        log_file,
+        maxBytes=10 * 1024 * 1024,  # 10MB
+        backupCount=5,
+        encoding="utf-8"
+    )
+    file_handler.setLevel(logging.DEBUG)
+    file_formatter = logging.Formatter(
+        fmt="%(asctime)s | %(levelname)-8s | %(name)s:%(lineno)d | %(funcName)s | %(message)s",
+        datefmt="%Y-%m-%d %H:%M:%S"
+    )
+    file_handler.setFormatter(file_formatter)
+
+    # 错误日志处理器 (仅ERROR及以上)
+    error_file_handler = logging.handlers.RotatingFileHandler(
+        error_log_file,
+        maxBytes=10 * 1024 * 1024,  # 10MB
+        backupCount=5,
+        encoding="utf-8"
+    )
+    error_file_handler.setLevel(logging.ERROR)
+    error_file_handler.setFormatter(file_formatter)
+
     # 根日志器
     root_logger = logging.getLogger()
-    root_logger.setLevel(log_level)
+    root_logger.setLevel(logging.DEBUG)
     root_logger.handlers = []
     root_logger.addHandler(console_handler)
+    root_logger.addHandler(file_handler)
+    root_logger.addHandler(error_file_handler)
 
     # 第三方库日志级别
     for lib in ["uvicorn", "uvicorn.access", "fastapi", "httpx", "sqlalchemy"]:
         logging.getLogger(lib).setLevel(logging.WARNING)
 
+    root_logger.info(f"日志系统初始化完成 | 日志目录: {log_dir}")
+    root_logger.info(f"主日志文件: {log_file} | 错误日志: {error_log_file}")
+
     return root_logger
 
 # 初始化日志