然後選擇『空白專案』
貼上以下程式碼
/*
Ref:
https://developers.google.com/apps-script/reference/drive/drive-app
https://developers.google.com/apps-script/reference/drive/file
https://developers.google.com/apps-script/reference/drive/folder
https://developers.google.com/apps-script/reference/url-fetch/url-fetch-app
https://developers.google.com/apps-script/reference/url-fetch/o-auth-config
https://developers.google.com/apps-script/reference/base/blob
https://developers.google.com/apps-script/reference/utilities/utilities
*/
var _backupKeepAmount = 10;
var _backupFolderName = 'blogger_backup';
var _backupFolder;
function main(){
var folders = DriveApp.getFoldersByName(_backupFolderName);
if(folders.hasNext()){
_backupFolder = folders.next();
}else{
_backupFolder = DriveApp.createFolder(_backupFolderName);
}
setAuth();
backupBlogger('{my_blog_1}', '{blog_id}', false);
backupBlogger('{my_blog_2}', '{blog_id}', false);
MailApp.sendEmail(Session.getActiveUser().getEmail(), 'Backup Blogger To Google Drive', Logger.getLog());
}
/**
* @param {String} prefixName 備份檔名的前綴
* @param {String} blogId
* @param {Boolean} isBigSize 如果備份的檔案超過 10M，請設為 true
*/
function backupBlogger(prefixName, blogId, isBigSize){
logMsg('Backup Start', prefixName);
/* 取得之前的備份清單 */
var files = _backupFolder.getFilesByType('application/xml');
var beforeFiles = [];
while (files.hasNext()) {
var file = files.next();
if(file.getName().indexOf(prefixName) == -1){ continue; }
beforeFiles.push(file);
}
beforeFiles.sort(function (a, b) {
return b.getName().localeCompare(a.getName());
});
/* 下載並儲存檔案 */
var isChange;
if(isBigSize){
isChange = downloadAndSaveBigSizeArchiveXml(prefixName, blogId, beforeFiles[0]);
}else{
isChange = downloadAndSaveArchiveXml(prefixName, blogId, beforeFiles[0]);
}
/*沒有異動結束處理*/
if(!isChange){ return; }
/* 刪除舊檔案 */
var oleFiles = beforeFiles.slice(_backupKeepAmount);
for(var i=0; i < oleFiles.length; i++){
oleFiles[i].setTrashed(true);
}
logMsg('Backup Complete', prefixName);
}
function logMsg(status, msg){
Logger.log('%s | %s', status, msg);
}
function setAuth(){
var scope = "https://www.blogger.com/feeds/";
var oAuthConfig = UrlFetchApp.addOAuthService("blogger");
oAuthConfig.setRequestTokenUrl("https://www.google.com/accounts/OAuthGetRequestToken?scope="+scope);
oAuthConfig.setAuthorizationUrl("https://www.google.com/accounts/OAuthAuthorizeToken");
oAuthConfig.setAccessTokenUrl("https://www.google.com/accounts/OAuthGetAccessToken");
// oAuthConfig.setConsumerKey("anonymous");
// oAuthConfig.setConsumerSecret("anonymous");
}
function getArchiveXmlResponse(blogId){
var options = {
"oAuthServiceName" : "blogger",
"oAuthUseToken" : "always"
};
var url = 'https://www.blogger.com/feeds/' + blogId + '/archive';
var response = UrlFetchApp.fetch(url, options);
/*下載失敗，錯誤記錄*/
if(response.getResponseCode() != 200){
logMsg('Download Failed', response.getAllHeaders().toSource());
return null;
}
return response;
}
function downloadAndSaveArchiveXml(prefixName, blogId, beforeFile){
var response = getArchiveXmlResponse(blogId);
if(!response){ return false; }
var downloadContent = response.getContentText();
/* 檢查檔案異動 */
if(beforeFile){
var content = beforeFile.getBlob().getDataAsString();
if(beforeFile && Math.abs(content.length -downloadContent.length) < 100){
logMsg('Not Change', prefixName);
return false;
}
}
/* 儲存下載 */
var fileName = Utilities.formatDate(new Date(), "+8", "yyyyMMdd_HHmmss'.xml'");
_backupFolder.createFile(prefixName + '_' + fileName, downloadContent, 'application/xml');
return true;
}
function downloadAndSaveBigSizeArchiveXml(prefixName, blogId, beforeFile){
var response = getArchiveXmlResponse(blogId);
if(!response){ return false; }
/* 儲存下載 */
var fileName = Utilities.formatDate(new Date(), "+8", "yyyyMMdd_HHmmss'.xml'");
var downloadBlob = response.getBlob();
downloadBlob.setName(prefixName + '_' + fileName);
downloadBlob.setContentType('application/xml');
var downloadFile = _backupFolder.createFile(downloadBlob);
/* 檢查檔案異動 */
if(beforeFile && Math.abs(beforeFile.getSize() - downloadFile.getSize() ) < 1000){
downloadFile.setTrashed(true);
logMsg('Not Change', prefixName);
return false;
}
return true;
}
修改 {my_blog_1} 及 {blog_id}，{my_blog_1} 是備份檔名的前綴，{blog_id} 則可以在文章管理的網址上找到
儲存檔案，並取名為『Backup Blogger To Google Drive』
先來測試一下備份是否能正常執行，請選擇執行的函數為『main』，並按下『執行』，然後先為此程式授權
如果都沒問題，接著來設定排程，選擇『啟動程序』
新增一個觸發程序
選擇執行的函數『main』，然後時間定在晚上 11 點，接著選擇『通知』
這個設定主要是發生錯誤的時候可以寄送通知
