【发布时间】:2019-08-13 03:08:58
【问题描述】:
我的 HTML 正文中有一个按钮,当用户单击该按钮时,它应该加载用户的谷歌联系人。我已经通过 Google Cloud Platform 注册了所需的凭据和授权,但由于某种原因,我拥有的 javascript 代码无法正常工作,并且在 Visual Studio 的演示模式下单击按钮不会打开一个新窗口,要求我登录到我的gmail 帐户,网站访问我的联系人的权限等。任何帮助使 API 在我的网站上工作将不胜感激。
<button id="google-button" onclick="return auth()" style="color:white;background-color:royalblue;margin:20px;padding:5px 10px;border-style:solid;font-weight:bold">Share to all of your Google contacts</button>
<script>
function auth() {
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/contacts.readonly'];
// The file token.json stores the user's access and refresh tokens, and is
// created automatically when the authorization flow completes for the first
// time.
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 Tasks API.
authorize(JSON.parse(content), listConnectionNames);
});
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);
});
}
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 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) return console.error(err);
console.log('Token stored to', TOKEN_PATH);
});
callback(oAuth2Client);
});
});
}
function listConnectionNames(auth) {
const service = google.people({ version: 'v1', auth });
service.people.connections.list({
resourceName: 'people/me',
pageSize: 10,
personFields: 'names,emailAddresses',
}, (err, res) => {
if (err) return console.error('The API returned an error: ' + err);
const connections = res.data.connections;
if (connections) {
console.log('Connections:');
connections.forEach((person) => {
if (person.names && person.names.length > 0) {
console.log(person.names[0].displayName);
} else {
console.log('No display name found for connection.');
}
});
} else {
console.log('No connections found.');
}
});
}
}
</script>
【问题讨论】:
标签: javascript node.js button google-people-api