TypeError:无法读取属性"source"来自未定义.(第7行，文件“代码") [英] TypeError: Cannot read property "source" from undefined. (line 7, file "Code")

问题描述

我在Google表格中遇到问题TypeError:无法从未定义中读取属性"source".(第7行，文件代码")当运行以下代码时，请帮助

I am having an issue in Google Sheets TypeError: Cannot read property "source" from undefined. (line 7, file "Code") When Running the following Code Please Help

function onEdit(event)
{ 
  var timezone = "GMT-5";
  var timestamp_format = "MM-dd-yyyy-hh-mm-ss"; 
  var updateColName = "Ticket#";
  var timeStampColName = "TimeComplete";
  var sheet = event.source.getSheetByName('InAndOut');


  var actRng = event.source.getActiveRange();
  var editColumn = actRng.getColumn();
  var index = actRng.getRowIndex();
  var headers = sheet.getRange(1, 1, 1, sheet.getLastColumn()).getValues();
  var dateCol = headers[0].indexOf(timeStampColName);
  var updateCol = headers[0].indexOf(updateColName); updateCol = updateCol+1;
  if (dateCol > -1 && index > 1 && editColumn == updateCol) { // only timestamp if 'Last Updated' header exists, but not in the header row itself!
    var cell = sheet.getRange(index, dateCol + 1);
    var date = Utilities.formatDate(new Date(), timezone, timestamp_format);
    cell.setValue(date);
  }
}

推荐答案

source 是 event 的一个属性，尚未分配对象，因此被称为未分配.当直接从脚本编辑器运行像您这样的函数时，就会发生这种情况.

source is a property of event that has not being assigned an object, so it was referred as unassigned. This occurs when a function like yours is ran directly from the script editor.

要在脚本编辑器中运行它，首先必须将一个具有相应属性的事件对象分配给function参数.有关详细信息，请参见如何在GAS中测试触发功能?

To run it from the script editor, first you have to assign an event object with the corresponding properties to the function argument. For details see How can I test a trigger function in GAS?

如果要通过脚本编辑器运行它，建议:

If you will be running it from the script editor, it's recommended:

• 要更改功能名称，因为onEdit是保留的功能名称之一.
• 删除函数参数.
• 将 event.source 替换为 SpreadsheetApp.getActiveSpreadsheet()

• 简单触发器-Google Apps脚本指南
• 函数-MDN JavaScript指南

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