web

结合Koa写出流文件/图片到前端/浏览器1npm i fs-extra mime-types axios 读取本地文件写回前端123const localPath = path.join(__dirname, '../..', 'pic/not_found.png');ctx.type = mime.lookup(localPath);ctx.body = fs.readFileSync(localPath); 读取外部链接流文件写回前端12345678import mime from 'mime-types';const response = await axios({ url, responseType: 'stream',});ctx.type = mime.lookup(url);ctx.body = response.data; 读取外部链接流文件并写入本地再返回前端123456789101112131415161718import...