server.py

from fastapi import FastAPI, HTTPException
from fastapi.responses import FileResponse
from fastapi.middleware.cors import CORSMiddleware
import os

app = FastAPI()

# 允许的图片和 SVG 文件类型
ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif', 'svg', 'bmp', 'webp'}

# CORS 配置
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],  # 允许所有来源
    allow_credentials=True,
    allow_methods=["*"],  # 允许所有方法
    allow_headers=["*"],  # 允许所有头
)

# 设置静态文件目录
STATIC_DIR = 'src/css/src'

# 提供静态文件
@app.get("/{filename:path}")
async def serve_file(filename: str):
    if '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS:
        file_path = os.path.join(STATIC_DIR, filename)
        if os.path.exists(file_path):
            return FileResponse(file_path)
        else:
            raise HTTPException(status_code=404, detail="File not found")
    else:
        raise HTTPException(status_code=403, detail="File type not allowed")

if __name__ == '__main__':
    import uvicorn
    uvicorn.run(app, host='0.0.0.0', port=3000)