如何使用 google javascript 库(gapi)和访问令牌将 .json 文件上传到 google 驱动器?
How to upload .json file to google drive, using google javascript library(gapi) and access token?
我有 phonegap 应用程序。我想将文件上传和下载到 Google 云端硬盘。我已经想出了如何接收 access_token 到 Google Drive API。但是我无法在 javascript 上创建正确的 request,将 json 文件上传到 google 驱动器。
我用过这个:https://developers.google.com/drive/web/manage-uploads
还有这个:https://developers.google.com/drive/v2/reference/files/insert
请帮忙!
这是我的解决方案。需要此范围的授权:
https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/drive.appdata
上传并更新文件。
function backupGoogleDrive(accessToken) {
var request = gapi.client.request({
'path': "/drive/v2/files?q=title+%3D+'" + backupFileName + "'&key=" + API_KEY,
'method': 'GET',
'headers': {
'Authorization': 'Bearer ' + accessToken
}});
alert('before execute');
request.execute(function(ret, raw){
alert('after list' + JSON.stringify(ret));
if (ret.items[0] == undefined || ret.items[0].id == undefined) {
createNewFile();
} else {
updateFileById(ret.items[0].id);
alert('id = ' + ret.items[0].id);
}
});
const boundary = '-------314159265358979323846';
const delimiter = "\r\n--" + boundary + "\r\n";
const close_delim = "\r\n--" + boundary + "--";
var file = JSON.stringify(userRecordsBase.base);
var contentType = "application/json";
var metadata = {
'title': backupFileName,
'mimeType': contentType,
'parents': [{'id': 'appfolder'}]
};
var multipartRequestBody =
delimiter +
'Content-Type: application/json\r\n\r\n' +
JSON.stringify(metadata) +
delimiter +'Content-Type: ' + contentType + '\r\n' +
'\r\n' +
file +
close_delim;
function createNewFile() {
var request = gapi.client.request({
'path': '/upload/drive/v2/files',
'method': 'POST',
'params': {'uploadType': 'multipart'},
'headers': {
'Authorization': 'Bearer ' + accessToken, 'Content-Type': 'multipart/mixed; boundary="' + boundary + '"'
},
'body': multipartRequestBody});
alert('before create');
request.execute(callback);
}
function updateFileById(id){
var request = gapi.client.request({
'path': '/upload/drive/v2/files/'+ id,
'method': 'PUT',
'params': {'uploadType': 'multipart', 'alt': 'json'},
'headers': {
'Authorization': 'Bearer ' + accessToken, 'Content-Type': 'multipart/mixed; boundary="' + boundary + '"'
},
'body': multipartRequestBody});
alert('before update');
request.execute(callback);
}
var callback = function(ret, raw) {
var obj = $.parseJSON(raw);
alert('Yahooo ' + JSON.stringify(ret));
};
}
读取文件。
function restore(file, callback){
if (file.downloadUrl) {
var xhr = new XMLHttpRequest();
alert('download url = ' + file.downloadUrl);
xhr.open('GET', file.downloadUrl);
xhr.setRequestHeader('Authorization', 'Bearer ' + accessToken);
xhr.onload = function() {
alert('success');
callback(xhr);
};
xhr.onerror = function() {
alert('error');
callback(null);
};
xhr.send();
} else {
alert('error');
callback(null);
}
}
2021 年答案 -- 这是使用 fetch
上传 JSON 的方法。 (来自 jsGoogleDriveDemo,展示了网络应用程序用户如何使用 API v3 在 Google Drive 中保存和打开文件——授权、上传、获取、更新和使用 Google 文件选择器。)
function upload() {
const metadata = { name: 'test.json', mimeType };
const form = new FormData();
form.append('metadata', new Blob([JSON.stringify(metadata)], { type: 'application/json' }));
form.append('file', JSON.stringify({ hello: 'world' }));
fetch('https://www.googleapis.com/upload/drive/v3/files?uploadType=multipart', {
method: 'POST',
headers: new Headers({ Authorization: 'Bearer ' + oauthToken }),
body: form
})
.then(result => result.json())
.then(value => {
console.log('Uploaded. Result:\n' + JSON.stringify(value, null, 2));
fileId = value.id;
document.getElementById('get').disabled = false;
document.getElementById('update').disabled = false;
})
.catch(err => console.error(err))
}
我有 phonegap 应用程序。我想将文件上传和下载到 Google 云端硬盘。我已经想出了如何接收 access_token 到 Google Drive API。但是我无法在 javascript 上创建正确的 request,将 json 文件上传到 google 驱动器。
我用过这个:https://developers.google.com/drive/web/manage-uploads 还有这个:https://developers.google.com/drive/v2/reference/files/insert
请帮忙!
这是我的解决方案。需要此范围的授权: https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/drive.appdata
上传并更新文件。
function backupGoogleDrive(accessToken) {
var request = gapi.client.request({
'path': "/drive/v2/files?q=title+%3D+'" + backupFileName + "'&key=" + API_KEY,
'method': 'GET',
'headers': {
'Authorization': 'Bearer ' + accessToken
}});
alert('before execute');
request.execute(function(ret, raw){
alert('after list' + JSON.stringify(ret));
if (ret.items[0] == undefined || ret.items[0].id == undefined) {
createNewFile();
} else {
updateFileById(ret.items[0].id);
alert('id = ' + ret.items[0].id);
}
});
const boundary = '-------314159265358979323846';
const delimiter = "\r\n--" + boundary + "\r\n";
const close_delim = "\r\n--" + boundary + "--";
var file = JSON.stringify(userRecordsBase.base);
var contentType = "application/json";
var metadata = {
'title': backupFileName,
'mimeType': contentType,
'parents': [{'id': 'appfolder'}]
};
var multipartRequestBody =
delimiter +
'Content-Type: application/json\r\n\r\n' +
JSON.stringify(metadata) +
delimiter +'Content-Type: ' + contentType + '\r\n' +
'\r\n' +
file +
close_delim;
function createNewFile() {
var request = gapi.client.request({
'path': '/upload/drive/v2/files',
'method': 'POST',
'params': {'uploadType': 'multipart'},
'headers': {
'Authorization': 'Bearer ' + accessToken, 'Content-Type': 'multipart/mixed; boundary="' + boundary + '"'
},
'body': multipartRequestBody});
alert('before create');
request.execute(callback);
}
function updateFileById(id){
var request = gapi.client.request({
'path': '/upload/drive/v2/files/'+ id,
'method': 'PUT',
'params': {'uploadType': 'multipart', 'alt': 'json'},
'headers': {
'Authorization': 'Bearer ' + accessToken, 'Content-Type': 'multipart/mixed; boundary="' + boundary + '"'
},
'body': multipartRequestBody});
alert('before update');
request.execute(callback);
}
var callback = function(ret, raw) {
var obj = $.parseJSON(raw);
alert('Yahooo ' + JSON.stringify(ret));
};
}
读取文件。
function restore(file, callback){
if (file.downloadUrl) {
var xhr = new XMLHttpRequest();
alert('download url = ' + file.downloadUrl);
xhr.open('GET', file.downloadUrl);
xhr.setRequestHeader('Authorization', 'Bearer ' + accessToken);
xhr.onload = function() {
alert('success');
callback(xhr);
};
xhr.onerror = function() {
alert('error');
callback(null);
};
xhr.send();
} else {
alert('error');
callback(null);
}
}
2021 年答案 -- 这是使用 fetch
上传 JSON 的方法。 (来自 jsGoogleDriveDemo,展示了网络应用程序用户如何使用 API v3 在 Google Drive 中保存和打开文件——授权、上传、获取、更新和使用 Google 文件选择器。)
function upload() {
const metadata = { name: 'test.json', mimeType };
const form = new FormData();
form.append('metadata', new Blob([JSON.stringify(metadata)], { type: 'application/json' }));
form.append('file', JSON.stringify({ hello: 'world' }));
fetch('https://www.googleapis.com/upload/drive/v3/files?uploadType=multipart', {
method: 'POST',
headers: new Headers({ Authorization: 'Bearer ' + oauthToken }),
body: form
})
.then(result => result.json())
.then(value => {
console.log('Uploaded. Result:\n' + JSON.stringify(value, null, 2));
fileId = value.id;
document.getElementById('get').disabled = false;
document.getElementById('update').disabled = false;
})
.catch(err => console.error(err))
}