initLocalStorageServer(options)

import express from 'express';
import { initLocalStorageServer } from '@blocklet/uploader-server';
import Upload from '../models/upload'; // 您的資料庫模型

const router = express.Router();

// 初始化上傳伺服器中介軟體
const localStorageServer = initLocalStorageServer({
  // 上傳檔案將儲存的目錄
  path: process.env.UPLOAD_DIR,
  express,

  // 此回呼函式在檔案成功上傳後執行
  onUploadFinish: async (req, res, uploadMetadata) => {
    const {
      id: filename, // 磁碟上唯一的隨機檔案名稱
      size,
      metadata: { filename: originalname, filetype: mimetype },
    } = uploadMetadata;

    // 建構上傳檔案的公開 URL
    const fileUrl = new URL(process.env.APP_URL);
    fileUrl.pathname = `/uploads/${filename}`;

    // 將檔案資訊儲存到您的資料庫
    const doc = await Upload.insert({
      mimetype,
      originalname,
      filename,
      size,
      url: fileUrl.href,
      createdAt: new Date().toISOString(),
      updatedAt: new Date().toISOString(),
      createdBy: req.user.did,
    });

    // 將資料庫文件作為 JSON 回應回傳
    // 此資料將傳遞給前端的 onUploadFinish 回呼函式
    return doc;
  },
});

// 將中介軟體掛載到 '/uploads' 路由上
// 確保任何必要的身份驗證/授權中介軟體在其之前運行
router.use('/uploads', yourAuthMiddleware, localStorageServer.handle);

export default router;

import { localStorageServer } from './setup'; // 假設您已匯出該實例

async function deleteFile(filename) {
  try {
    await localStorageServer.delete(filename);
    console.log(`Successfully deleted ${filename}`);
  } catch (error) {
    console.error(`Failed to delete ${filename}:`, error);
  }
}