技術標籤：egg.jscad線上預覽線上預覽cad

官方node demo
以下是自己手動改的 記錄以下萬一以後用到

  async objects(msg){
    // tiken client 獲取
    await setMsg(this.app)
    const token = await getInternalToken();
    msg.oauth_token = token;
    msg.oauth_client = getClient();
    // 讀oss檔案寫到本地檔案
    let file = await this.app.updateOssRedis
 
(msg.url);
    console.log('file :>> ', file);
    // const file = 'https://cdn.tjssy.cn/ssy/2021-01-29/1611897895988b.dwg';
    file = 'http://cdn.tjssy.cn/ssy/2021-01-29/1611897895988b.dwg'
    const fileData = await this.ctx.curl(file);
    const parseUrl = url.parse(file).pathname;
    console.log(parseUrl)
 

    const fileExtName = path.extname(parseUrl);
    await mkdir('./app/public/cad' + parseUrl.replace(RegExp(path.basename(parseUrl, path.extname(parseUrl)) + fileExtName, 'g'), ''));
    fs.writeFileSync('./app/public/cad' + parseUrl, fileData.data, 'binary');
    // 讀本地檔案上傳autodesk
    let oldfileMsg = {
 
}
    let data = fs.readFileSync('./app/public/cad' + parseUrl);
    oldfileMsg = await new ObjectsApi().uploadObject(msg.bucketKey, 'parseUrl6.dwg', data.length, data, {}, msg.oauth_client, msg.oauth_token);
    let job = new JobPayload();
    job.input = new JobPayloadInput();
    job.input.urn = Buffer.from(oldfileMsg.body.objectId).toString('base64');
    job.output = new JobPayloadOutput([
        new JobSvfOutputPayload()
    ]);
    job.output.formats[0].type = 'svf';
    job.output.formats[0].views = ['2d', '3d'];
    const result = await new DerivativesApi().translate(job, {}, msg.oauth_client, msg.oauth_token);
    console.log('result :>> ', result);
    return {
      token: msg.oauth_token,
      msg: result,
    };
  }