Error: "Failed to send email: no recipient"

Error: "Failed to send email: no recipient"

我在 运行 以下代码时遇到错误:

Failed to send email: no recipient

这是 运行 关闭或 google 电子表格。我假设它会在电子邮件地址列中查找电子邮件地址,并且在读取最后一个后,它会转到下一个空白单元格并且没有看到任何内容,然后给出错误。

如果是这种情况,我怎样才能让它在转到一列中的最后一个时停止查找电子邮件地址?

错误在第 18 行:MailApp.sendEmail(emailAddress, subject, message);

    var EMAIL_SENT = "EMAIL_SENT";

function sendEmails2() {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var sheets = ss.getSheets();
  var startRow = 2;  
  var numRows = 1000;
  var sheet = ss.getSheetByName ('Administrators')
  var dataRange = sheet.getRange(startRow, 1, numRows, sheet.getLastColumn());
  var data = dataRange.getValues();
  for (var i = 0; i < data.length; ++i) {
    var row = data[i];
    var emailAddress = row[1]; 
    var message = row[28];       
    var emailSent = row[29]; 
    if (emailSent != EMAIL_SENT) {  
      var subject = "Tuition Reimbursement Status";
      MailApp.sendEmail(emailAddress, subject, message);
      sheet.getRange(startRow + i, 30).setValue(EMAIL_SENT);


     var sheet = ss.getSheetByName ('Teachers')
     var dataRange = sheet.getRange(startRow, 1, numRows, sheet.getLastColumn());
     var data = dataRange.getValues();
     for (var i = 0; i < data.length; ++i) {
     var row = data[i];
     var emailAddress = row[1]; 
     var message = row[28];       
     var emailSent = row[29]; 
     if (emailSent != EMAIL_SENT) {  
       var subject = "Tuition Reimbursement Status";
       MailApp.sendEmail(emailAddress, subject, message);
       sheet.getRange(startRow + i, 30).setValue(EMAIL_SENT);


     var sheet = ss.getSheetByName ('Support Staff')
     var dataRange = sheet.getRange(startRow, 1, numRows, sheet.getLastColumn());
     var data = dataRange.getValues();
     for (var i = 0; i < data.length; ++i) {
     var row = data[i];
     var emailAddress = row[1]; 
     var message = row[28];       
     var emailSent = row[29]; 
     if (emailSent != EMAIL_SENT) {  
       var subject = "Tuition Reimbursement Status";
       MailApp.sendEmail(emailAddress, subject, message);
       sheet.getRange(startRow + i, 30).setValue(EMAIL_SENT);



      SpreadsheetApp.flush();
      }
     }
    }
   }
  }
 }
}

您的 numRows 应该使用 getLastRow() 函数 [Ref] 设置,而不是将其设置为 1000。

解决"Failed to send email: no recipient"

if (emailSent != EMAIL_SENT && emailAddress!="") { // Prevents sending duplicates