let senceRes = await uniCloud.httpclient.request('https://api.weixin.qq.com/cgi-bin/token', { method: 'GET', data: { grant_type: 'client_credential', appid: 'xxxxxxxxxxxx', secret: 'xxxxxxxxxxxx' } }) const access_token = JSON.parse(senceRes.data.toString()).access_token let imgRes = await uniCloud.httpclient.request('https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=' +  access_token, { method: 'POST', data: { scene: 'invite_code=' + inviteCode, page: 'pages/index/index', width: 1280, auto_color: true, is_hyaline: true, check_path: false, env_version: 'develop' }  }) let uploadImgRes = await uniCloud.uploadFile({ cloudPathAsRealPath: true, cloudPath: `invite_qrcode/${Date.now()}.jpeg`, fileContent: imgRes.data }) // 无论是直接保存还是转base64 都无法显示 // 不管设置的图片大小是多少，返回的buffer长度都是78 // access_token 是获取成功了的 // 小程序码返回的状态码200

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