refactor: 移除硬编码配置，使用环境变量管理API密钥和路径

重构XinferenceEmbeddings和XinferenceReRankerModel类，移除硬编码的API密钥和路径
统一使用环境变量管理配置，提高安全性和灵活性
修改数据库路径为相对路径，增强可移植性

rag2_0/demo/create_qingdan_dinge_database.py

@@ -462,10 +462,10 @@ class ExcelToSQLiteProcessor:
         print("数据库事务已提交，连接已关闭")
 
 class CreateEmbedingData():
-    def __init__(self, db_path, api_key="aa"):
+    def __init__(self, db_path):
         self.db_path = db_path
         self.conn = sqlite3.connect(db_path)
-        self.embedding_function = XinferenceEmbeddings(api_key=api_key)
+        self.embedding_function = XinferenceEmbeddings()
     
     def create_ding_e_zimu_embedding(self):
         """创建定额子目名称的向量索引"""
@@ -535,22 +535,24 @@ def main():
     print("开始处理定额库和清单库Excel文件...")
     
     # 配置参数
-    ding_e_base_dir = "/data/QueryRewrite/data/excel/Excel版 清单定额库/定额库"
-    qing_dan_base_dir = "/data/QueryRewrite/data/excel/Excel版 清单定额库/清单库"
-    db_path = "/data/QueryRewrite/data/db/qingdan_ding_e_ku copy.db"
-    
+    ding_e_base_dir = f"{os.getcwd()}/data/excel/Excel版 清单定额库/定额库"
+    qing_dan_base_dir = f"{os.getcwd()}/data/excel/Excel版 清单定额库/清单库"
+    db_path = f"{os.getcwd()}/data/db/qingdan_ding_e_ku.db"
+    if os.path.exists(db_path):
+        print("数据库文件已存在, 任务结束...")
+        return
     # 创建处理器实例
-    # processor = ExcelToSQLiteProcessor(db_path)
+    processor = ExcelToSQLiteProcessor(db_path)
     
     try:
         # 处理定额库文件
-        # processor.process_ding_e_files(ding_e_base_dir)
+        processor.process_ding_e_files(ding_e_base_dir)
         
         # # 处理清单库文件
-        # processor.process_qing_dan_files(qing_dan_base_dir)
+        processor.process_qing_dan_files(qing_dan_base_dir)
         
         # # 提交并关闭
-        # processor.commit_and_close()
+        processor.commit_and_close()
         
         print("=" * 50)
         print("所有Excel文件处理完成！数据已成功导入SQLite数据库")