我正在使用提供的示例的组合将文档下载到我的文件系统中，以后直接下载到服务器中，但这是下一步。 该代码运行没有错误，但是创建的工作表有0个字节，无法打开。有什么想法吗？该文档使我陷入瘫痪。
我在这里咨询了无数github帖子和问题，但似乎没有任何问题。
const fs = require('fs');
const readline = require('readline');
const {google} = require('googleapis');
// If modifying these scopes, delete credentials.json.
const SCOPES = ['https://www.googleapis.com/auth/drive'];
const TOKEN_PATH = 'token.json';
/**
* Create an OAuth2 client with the given credentials, and then execute the
* given callback function.
* @param {Object} credentials The authorization client credentials.
* @param {function} callback The callback to call with the authorized client.
*/
function authorize(credentials, callback) {
const {
client_secret,
client_id,
redirect_uris
} = credentials.installed;
const oAuth2Client = new google.auth.OAuth2(
client_id, client_secret, redirect_uris[0]);
// Check if we have previously stored a token.
fs.readFile(TOKEN_PATH, (err, token) => {
if (err) return getNewToken(oAuth2Client, callback);
oAuth2Client.setCredentials(JSON.parse(token));
callback(oAuth2Client);
});
}
/**
* Get and store new token after prompting for user authorization, and then
* execute the given callback with the authorized OAuth2 client.
* @param {google.auth.OAuth2} oAuth2Client The OAuth2 client to get token for.
* @param {getEventsCallback} callback The callback for the authorized client.
*/
function getNewToken(oAuth2Client, callback) {
const authUrl = oAuth2Client.generateAuthUrl({
access_type: 'offline',
scope: SCOPES,
});
console.log('Authorize this app by visiting this url:', authUrl);
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
rl.question('Enter the code from that page here: ', (code) => {
rl.close();
oAuth2Client.getToken(code, (err, token) => {
if (err) return console.error('Error while trying to retrieve access token', err);
oAuth2Client.setCredentials(token);
// Store the token to disk for later program executions
fs.writeFile(TOKEN_PATH, JSON.stringify(token), (err) => {
if (err) console.error(err);
console.log('Token stored to', TOKEN_PATH);
});
callback(oAuth2Client);
});
});
}
// Load client secrets from a local file.
fs.readFile('credentials.json', (err, content) => {
if (err) return console.log('Error loading client secret file:', err);
// Authorize a client with credentials, then call the Google Sheets API.
authorize(JSON.parse(content), grabFileFromDrive);
});
function grabFileFromDrive(auth) {
const drive = google.drive({
version: 'v3',
auth
});
var fileId = '<FILEIDHERE>';
var dest = fs.createWriteStream('/tmp/feedback-list.xlsx');
drive.files.export({
fileId: fileId,
mimeType: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
}, {
responseType: 'stream'
}), function(err, res){
res.data
.on('end', () => {
console.log('Done');
})
.on('error', err => {
console.log('Error', err);
})
.pipe(dest);
console.log(res);}
}
下载的文档已损坏/格式不正确且大小为0，如何将工作正常的excel工作表下载到我的目录中？
更新：我在下面添加了工作代码，我认为问题与令牌相关，无法查看下载的文档中产生的错误，提醒我范围不足，或者响应功能不正确位置，从文档和教程中重新构建了所有内容，并且现在可以正常工作了。希望对您有帮助
const fs = require('fs');
const readline = require('readline');
const {
google
} = require('googleapis');
// If modifying these scopes, delete token.json.
const SCOPES = 'https://www.googleapis.com/auth/drive';
const TOKEN_PATH = 'token.json';
// Load client secrets from a local file.
fs.readFile('credentials.json', (err, content) => {
if (err) return console.log('Error loading client secret file:', err);
// Authorize a client with credentials, then call the Google Drive API.
authorize(JSON.parse(content), downloadDriveFile);
});
function authorize(credentials, callback) {
const {
client_secret,
client_id,
redirect_uris
} = credentials.installed;
const oAuth2Client = new google.auth.OAuth2(
client_id, client_secret, redirect_uris[0]);
// Check if we have previously stored a token.
fs.readFile(TOKEN_PATH, (err, token) => {
if (err) return getAccessToken(oAuth2Client, callback);
oAuth2Client.setCredentials(JSON.parse(token));
callback(oAuth2Client);
});
}
function getAccessToken(oAuth2Client, callback) {
const authUrl = oAuth2Client.generateAuthUrl({
access_type: 'offline',
scope: SCOPES,
});
console.log('Authorize this app by visiting this url:', authUrl);
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
rl.question('Enter the code from that page here: ', (code) => {
rl.close();
oAuth2Client.getToken(code, (err, token) => {
if (err) return console.error('Error retrieving access token', err);
oAuth2Client.setCredentials(token);
// Store the token to disk for later program executions
fs.writeFile(TOKEN_PATH, JSON.stringify(token), (err) => {
if (err) console.error(err);
console.log('Token stored to', TOKEN_PATH);
});
callback(oAuth2Client);
});
});
}
function downloadDriveFile(auth) {
const drive = google.drive({
version: 'v3',
auth
});
var fileId = 'xxxxxxxxxxxxxxx';
var dest = fs.createWriteStream('/tmp/feedback.csv');
// example code here
drive.files.export({
fileId: fileId,
mimeType: 'text/csv'
// excel application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
}, {
responseType: 'stream'
},
function (err, res) {
res.data
.on('end', () => {
console.log('Done');
})
.on('error', err => {
console.log('Error', err);
})
.pipe(dest);
})
///
}