您能否提供 Google Apps 脚本中的附件和内联图像示例？

Question

Class GmailMessage 主要接受简单的高级参数类型，如字符串和布尔值，除了：

Name	Type	Description
attachments	BlobSource[]	an array of files to send with the email
inlineImages	Object	a JavaScript object containing a mapping from image key (String) to image data (BlobSource); this assumes that the htmlBody parameter is used and contains references to these images in the format

你能举出这两个的例子吗？

例如，用var obj 中的示例值替换点：

// 1x1 image that can be used:
// data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAMSURBVBhXY/j//z8ABf4C/qc1gYQAAAAASUVORK5CYII=

var obj = {attachments: [...], inlineImages: ...];
message.forward('someone@somewhere.com', obj);

Answer 1

我使用一些类似的功能从我的 Google 照片库中插入图片：

function sendEmails103(obj) {
  const ss = SpreadsheetApp.getActive();
  const sh = ss.getSheetByName('libImages');
  const [hA, ...dt] = sh.getDataRange().getValues();
  let idx = {};
  hA.forEach((h, i) => idx[h] = i);
  let imgObj = {};
  vs = dt.filter(r => r[idx['filename']] == obj.row[obj.index['htmlFile']])
  vs.forEach((r, i) => {
    let params = { muteHttpExceptions: true, headers: { "Authorization": "Bearer " + ScriptApp.getOAuthToken() } };
    let aurl = "https://photoslibrary.googleapis.com/v1/mediaItems/" + r[idx['mediaItemId']]
    let resp = JSON.parse(UrlFetchApp.fetch(aurl, params).getContentText());
    let burl = `${resp.baseUrl}=w${r[idx['maxwidth']]}-h${r[idx['maxheight']]}`
    imgObj[r[idx['Key']]] = UrlFetchApp.fetch(burl).getBlob();
  });
  let htmlTemplate = HtmlService.createTemplateFromFile(obj.row[obj.index['htmlFile']]);
  let html = htmlTemplate.evaluate().getContent();
  if (html) {
    if (obj.row[obj.index['operation']] == 'Create Draft') {
      GmailApp.createDraft(obj.row[obj.index['Recipients']], obj.row[obj.index['Subject']], '', { htmlBody: html, inlineImages: imgObj, replyTo: obj.row[obj.index['replyTo']] });
    } else {
      GmailApp.sendEmail(obj.row[obj.index['Recipients']],obj.row[obj.index['Subject']],'',{htmlBody:html,inlineImages:imgObj,replyTo: obj.row[obj.index['replyTo']]});
    }
  }
}

我将 mediaItemIds 和密钥保存在这样的电子表格中：

Key	Description	mediaItemId	maxwidth	maxheight	filename
img0	Redacted	Redacted	384	384	file103
img1	Redacted	Redacted	384	384	file103
img2	Redacted	Redacted	384	384	file103
img3	Redacted	Redacted	384	384	file103
img4	Redacted	Redacted	384	384	file103
img5	Redacted	Redacted	384	384	file103
img6	Redacted	Redacted	384	384	file103
img7	Redacted	Redacted	384	384	file103

这是一个使用我的云端硬盘中的图像的简单示例：

function sendEmails101(obj) {
  let imgObj = {};
  let fldr = DriveApp.getFolderById("folderid");
  let files = fldr.getFilesByType(MimeType.JPEG);
  let n = 0;
  let names = ['die1.jpg', 'die2.jpg'];
  let filename = [];
  while (files.hasNext()) {
    let f = files.next();
    let index = names.indexOf(f.getName());
    if (~index) {
      imgObj[`img${n++}`] = f.getBlob();
      filename.push(names[index]);
    }
  }
  let htmlTemplate = HtmlService.createTemplateFromFile(obj.row[obj.index['htmlFile']]);
  htmlTemplate.values = obj.row.slice(obj.index['Data0']);
  htmlTemplate.filename = filename;
  let html = htmlTemplate.evaluate().getContent();
  if (html) {
    if (obj.row[obj.index[operation]] == 'Create Draft') {
      GmailApp.createDraft(obj.row[obj.index['Recipients']], obj.row[obj.index['Subject']], '', { htmlBody: html, inlineImages: imgObj, replyTo: obj.row[obj.index['replyTo']] });
    } else {

      GmailApp.sendEmail(obj.row[obj.index['Recipients']], obj.row[obj.index['Subject']], '', { htmlBody: html, inlineImages: imgObj, replyTo: obj.row[obj.index['replyTo']] });
    }
  }
}