first commit

config/__init__.py

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+"""
+配置管理模块
+根据环境变量自动选择对应的配置类
+"""
+import os
+from .base import Config
+from .development import DevelopmentConfig
+from .production import ProductionConfig
+from .testing import TestingConfig
+from .local import LocalConfig
+
+# 配置映射字典
+config_map = {
+    'development': DevelopmentConfig,
+    'production': ProductionConfig,
+    'testing': TestingConfig,
+    'local': LocalConfig,
+    'default': DevelopmentConfig
+}
+
+def get_config():
+    """
+    根据环境变量获取对应的配置类
+    
+    环境变量: FLASK_ENV
+    可选值: development, production, testing, local
+    
+    Returns:
+        Config类: 对应环境的配置类
+    """
+    env = os.environ.get('FLASK_ENV', 'development')
+    return config_map.get(env, config_map['default'])
+
+# 导出配置类
+__all__ = [
+    'Config',
+    'DevelopmentConfig', 
+    'ProductionConfig',
+    'TestingConfig',
+    'LocalConfig',
+    'get_config'
+]
+