refactor: 重构后端结构并迁移前端到 Vue3

app/api/routers/config.py

@@ -0,0 +1,99 @@
+import json
+from datetime import datetime
+from typing import Any
+
+from fastapi import APIRouter, Body, HTTPException, UploadFile, File
+from fastapi.responses import FileResponse
+
+from app import state
+from app.config import CONFIG_FILE
+
+
+router = APIRouter(tags=["config"])
+
+
+@router.get("/api/config")
+async def get_config():
+    return state.config.to_dict()
+
+
+@router.get("/api/config/full")
+async def get_config_full():
+    return state.config.to_dict_full()
+
+
+@router.post("/api/config/mysql")
+async def update_mysql_config(
+    host: str = Body(...),
+    port: int = Body(...),
+    user: str = Body(...),
+    passwd: str = Body(...),
+    dbname: str = Body(...),
+):
+    state.config.mysql.host = host
+    state.config.mysql.port = port
+    state.config.mysql.user = user
+    state.config.mysql.passwd = passwd
+    state.config.mysql.dbname = dbname
+    state.config.save()
+    return {"success": True, "message": "数据库配置已更新", "update": state.config.update}
+
+
+@router.post("/api/config/sheet-filter")
+async def update_sheet_filter(filters: list[str] = Body(...)):
+    state.config.sheet_filter = filters
+    state.config.save()
+    return {"success": True, "message": "Sheet 过滤规则已更新", "update": state.config.update}
+
+
+@router.post("/api/config/extract-fields")
+async def update_extract_fields(fields: list[dict[str, Any]] = Body(...)):
+    state.config.extract_fields = fields
+    state.config.save()
+    return {"success": True, "message": "字段映射配置已更新", "update": state.config.update}
+
+
+@router.get("/api/config/download")
+async def download_config():
+    if not CONFIG_FILE.exists():
+        raise HTTPException(status_code=404, detail="配置文件不存在")
+
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+    filename = f"Configure_{timestamp}.json"
+    return FileResponse(path=str(CONFIG_FILE), filename=filename, media_type="application/json")
+
+
+@router.post("/api/config/upload")
+async def upload_config(file: UploadFile = File(...)):
+    if not file.filename or not file.filename.endswith(".json"):
+        raise HTTPException(status_code=400, detail="只支持 JSON 格式的配置文件")
+
+    try:
+        data = json.loads((await file.read()).decode("utf-8"))
+        if not isinstance(data, dict):
+            raise ValueError("配置文件格式错误：必须是 JSON 对象")
+
+        _apply_config_data(data)
+        state.config.save()
+        return {"success": True, "message": "配置文件上传成功", "update": state.config.update}
+    except json.JSONDecodeError as exc:
+        raise HTTPException(status_code=400, detail="配置文件格式错误：不是有效的 JSON 文件") from exc
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+    except Exception as exc:
+        raise HTTPException(status_code=500, detail=f"上传失败: {exc}") from exc
+
+
+def _apply_config_data(data: dict[str, Any]) -> None:
+    mysql_data = data.get("MySQL_DBInfo")
+    if isinstance(mysql_data, dict):
+        for key in ("host", "port", "user", "passwd", "dbname"):
+            if key in mysql_data:
+                setattr(state.config.mysql, key, mysql_data[key])
+
+    if "SheetFilter" in data:
+        state.config.sheet_filter = data["SheetFilter"] if isinstance(data["SheetFilter"], list) else []
+
+    if "ExtractField" in data:
+        state.config.extract_fields = data["ExtractField"] if isinstance(data["ExtractField"], list) else []
+