feat: 初始化考培练系统项目

- 从服务器拉取完整代码
- 按框架规范整理项目结构
- 配置 Drone CI 测试环境部署
- 包含后端(FastAPI)、前端(Vue3)、管理端

技术栈: Vue3 + TypeScript + FastAPI + MySQL

backend/app/core/logger.py

@@ -0,0 +1,76 @@
+"""
+日志配置
+"""
+import logging
+import sys
+from typing import Any
+
+import structlog
+from structlog.stdlib import LoggerFactory
+
+from app.core.config import get_settings
+
+settings = get_settings()
+
+
+def setup_logging():
+    """
+    配置日志系统
+    """
+    # 设置日志级别
+    log_level = getattr(logging, settings.LOG_LEVEL.upper(), logging.INFO)
+
+    # 配置标准库日志
+    logging.basicConfig(
+        format="%(message)s",
+        stream=sys.stdout,
+        level=log_level,
+    )
+
+    # 配置处理器
+    processors = [
+        structlog.stdlib.filter_by_level,
+        structlog.stdlib.add_logger_name,
+        structlog.stdlib.add_log_level,
+        structlog.stdlib.PositionalArgumentsFormatter(),
+        structlog.processors.TimeStamper(fmt="iso"),
+        structlog.processors.StackInfoRenderer(),
+        structlog.processors.format_exc_info,
+        structlog.processors.UnicodeDecoder(),
+    ]
+
+    # 根据配置选择输出格式
+    if getattr(settings, "LOG_FORMAT", "text") == "json":
+        processors.append(structlog.processors.JSONRenderer())
+    else:
+        processors.append(structlog.dev.ConsoleRenderer())
+
+    # 配置 structlog
+    structlog.configure(
+        processors=processors,
+        context_class=dict,
+        logger_factory=LoggerFactory(),
+        cache_logger_on_first_use=True,
+    )
+
+
+# 设置日志
+setup_logging()
+
+
+# 获取日志器
+def get_logger(name: str = __name__) -> Any:
+    """
+    获取日志器
+
+    Args:
+        name: 日志器名称
+
+    Returns:
+        日志器实例
+    """
+    return structlog.get_logger(name)
+
+
+# 默认日志器
+logger = get_logger("app")