回复到之前版本

app/config/paths.py

@@ -18,6 +18,14 @@ DBN_CONFIG_DIR = CONFIG_DIR / "dbn"
 
 
 def get_logger(name: str = "algorithm"):
-    """获取日志记录器（loguru 不可用时自动回退标准 logging）"""
+    """
+    获取日志记录器的便捷函数
+
+    Args:
+        name: 日志名称
+
+    Returns:
+        logging.Logger 实例
+    """
     from app.utils.logger import LoggerManager
     return LoggerManager.get_logger(name, str(LOG_DIR))

app/services/qgis/qgis_env.py

@@ -11,6 +11,7 @@ QGIS 环境检测与子进程配置模块。
   - get_runner_script():    获取 qgis_runner.py 的路径
 """
 import os
+import tempfile
 from pathlib import Path
 
 from app.config.paths import get_logger
@@ -73,32 +74,29 @@ def get_qgis_python_path(qgis_root: str = None) -> str | None:
 
 def build_qgis_command(qgis_root: str = None) -> list[str]:
     """
-    构建通过静态启动脚本运行 QGIS 子进程的命令列表。
+    构建通过 .bat 包装器启动 QGIS 子进程的命令列表。
-
+    设置环境变量并启动 QGIS Python 3.12。
-    Windows: 调用 app/script/run_qgis.bat（通过 QGIS_ROOT 环境变量定位）
-    Linux:   直接调用 QGIS Python 解释器
     """
     import platform
+    if platform.system() != "Windows":
+        python_path = get_qgis_python_path(qgis_root)
+        if not python_path:
+            raise RuntimeError("未找到 QGIS Python 解释器")
+        return [python_path, get_runner_script()]
+
     if qgis_root is None:
         qgis_root = _detect_qgis_root() or "D:/QGIS"
 
+    python_path = get_qgis_python_path(qgis_root)
+    if not python_path:
+        raise RuntimeError("未找到 QGIS Python 3.12 解释器")
+
     runner_script = get_runner_script()
     if not os.path.isfile(runner_script):
         raise RuntimeError(f"QGIS Runner 脚本不存在: {runner_script}")
 
-    if platform.system() == "Windows":
+    bat_path = _generate_bat_wrapper(qgis_root, python_path, runner_script)
-        script_dir = Path(__file__).parent.parent.parent / "script"
+    return ["cmd.exe", "/c", bat_path]
-        bat_path = str(script_dir / "run_qgis.bat")
-        if not os.path.isfile(bat_path):
-            raise RuntimeError(f"QGIS 启动脚本不存在: {bat_path}")
-        # 设置环境变量让 .bat 能找到 QGIS
-        os.environ["QGIS_ROOT"] = qgis_root
-        return ["cmd.exe", "/c", bat_path, runner_script]
-    else:
-        python_path = get_qgis_python_path(qgis_root)
-        if not python_path:
-            raise RuntimeError("未找到 QGIS Python 解释器")
-        return [python_path, runner_script]
 
 
 def is_qgis_available(qgis_root: str = None) -> bool:
@@ -111,6 +109,41 @@ def get_runner_script() -> str:
     return str(Path(__file__).parent / "qgis_runner.py")
 
 
+def _generate_bat_wrapper(qgis_root: str, python_path: str, runner_script: str) -> str:
+    """生成 .bat 包装脚本，设置 QGIS 环境变量并启动 runner"""
+    qgis_app_dir = os.path.join(qgis_root, "apps", "qgis-ltr").replace("/", "\\")
+    python_dir = os.path.join(qgis_root, "apps", "Python312").replace("/", "\\")
+    qt5_plugins = os.path.join(qgis_root, "apps", "Qt5", "plugins").replace("/", "\\")
+    qtplugins = os.path.join(qgis_app_dir, "qtplugins").replace("/", "\\")
+    gdal_data = os.path.join(qgis_root, "apps", "gdal", "share", "gdal").replace("/", "\\")
+    qgis_python_dir = os.path.join(qgis_app_dir, "python").replace("/", "\\")
+    qgis_bin = os.path.join(qgis_app_dir, "bin").replace("/", "\\")
+    qt5_bin = os.path.join(qgis_root, "apps", "Qt5", "bin").replace("/", "\\")
+    gdal_lib = os.path.join(qgis_root, "apps", "gdal", "lib").replace("/", "\\")
+
+    bat_content = f"""@echo off
+set "PYTHONHOME={python_dir}"
+set "PYTHONPATH={qgis_python_dir}"
+set "QGIS_PREFIX_PATH={qgis_app_dir}"
+set "QT_PLUGIN_PATH={qtplugins};{qt5_plugins}"
+set "GDAL_DATA={gdal_data}"
+set "PYTHONUTF8=1"
+set "GDAL_FILENAME_IS_UTF8=YES"
+set "VSI_CACHE=TRUE"
+set "VSI_CACHE_SIZE=1000000"
+set "PATH={qgis_bin};{qt5_bin};{gdal_lib};%PATH%"
+"{python_path}" "{runner_script}" %*
+"""
+
+    bat_dir = os.path.join(tempfile.gettempdir(), "qgis_runner")
+    os.makedirs(bat_dir, exist_ok=True)
+    bat_path = os.path.join(bat_dir, "run_qgis.bat")
+    with open(bat_path, "w", encoding="utf-8") as f:
+        f.write(bat_content)
+    logger.debug(f"生成 QGIS 包装脚本: {bat_path}")
+    return bat_path
+
+
 def _detect_qgis_root() -> str | None:
     """
     自动检测 QGIS 安装根目录。

app/utils/logger.py

@@ -1,42 +1,32 @@
 """
 日志工具类
-主进程使用 loguru，QGIS 子进程回退到标准 logging。
+使用 loguru 提供增强的日志功能，支持按天分割、自动清理过期日志
 """
 import sys
 from pathlib import Path
-
+from loguru import logger
-try:
-    from loguru import logger as _loguru_logger
-    _HAS_LOGURU = True
-except ImportError:
-    _HAS_LOGURU = False
-    import logging as _std_logging
 
 
 class LoggerManager:
-    """日志管理器 - 优先 loguru，回退标准 logging"""
+    """日志管理器 - 基于 loguru"""
 
     _configured = False
-    _fallback_loggers = {}
 
     @classmethod
     def get_logger(cls, name: str = "algorithm", log_dir: str = "logs"):
-        if _HAS_LOGURU:
+        """
-            if not cls._configured:
+        获取日志记录器（loguru 不需要传统意义上的 logger 实例）
-                cls._configure_loguru(name, log_dir)
+
-            return _loguru_logger
+        Args:
-        else:
+            name: 日志名称（用于文件命名）
-            if name not in cls._fallback_loggers:
+            log_dir: 日志目录
-                logger = _std_logging.getLogger(name)
+
-                logger.setLevel(_std_logging.INFO)
+        Returns:
-                if not logger.handlers:
+            loguru.logger 实例
-                    h = _std_logging.StreamHandler(sys.stderr)
+        """
-                    h.setFormatter(_std_logging.Formatter(
+        if not cls._configured:
-                        "%(asctime)s [%(threadName)s] %(levelname)-5s %(name)s - %(message)s"
+            cls._configure_loguru(name, log_dir)
-                    ))
+        return logger
-                    logger.addHandler(h)
-                cls._fallback_loggers[name] = logger
-            return cls._fallback_loggers[name]
 
     @classmethod
     def _configure_loguru(cls, name: str, log_dir: str):
@@ -48,14 +38,14 @@ class LoggerManager:
             log_dir: 日志目录
         """
         # 移除默认的 stderr handler
-        _loguru_logger.remove()
+        logger.remove()
 
         # 创建日志目录
         log_path = Path(log_dir)
         log_path.mkdir(parents=True, exist_ok=True)
 
         # 控制台 Handler - 彩色输出
-        _loguru_logger.add(
+        logger.add(
             sink=sys.stderr,
             level="INFO",
             format="<green>{time:YYYY-MM-DD HH:mm:ss}</green> [<cyan>{thread.name}</cyan>] <level>{level: <5}</level> <blue>{name}</blue> - <level>{message}</level>",
@@ -64,7 +54,7 @@ class LoggerManager:
 
         # 文件 Handler - 按大小分割，Windows 兼容
         log_file = log_path / f"{name}.log"
-        _loguru_logger.add(
+        logger.add(
             sink=str(log_file),
             level="DEBUG",
             format="{time:YYYY-MM-DD HH:mm:ss} [{thread.name}] {level: <5} {name} - {message}",