Google Script等于日期？

问题描述

我正在创建一个新的电子表格，这将提供给我一个提前一周的审查日期。我试图做一个非常基本的检查，检查从今天7天前的日期是否等于电子表格上的日期。

I'm creating a new spreadsheet that is set to give me a week ahead reminder for a review date. I'm trying to do a very basic test of checking if the date 7 days ahead from today is equal to the date that is on the spreadsheet.

调试这个我注意到时间被添加到日期，所以我将时间设置为00:00:00尝试获得匹配，这仍然不起作用。

When debugging this I noticed the times get added to the date so I set the times to be 00:00:00 to try and get a match, this still does not work.

function main(){
  var d = new Date();
  d.setDate(d.getDate()+7);
  d.setHours(0,0,0,0);
  for (var j = 53; j < lastrow-1; j++){
    var Staff = StaffObjects[j];
    var name = Staff.firstName + " " + Staff.surname;
    var onemonth = Staff.oneMonth;
    onemonth.setHours(0,0,0,0);
    if (d == onemonth){
      messagePT2+= name + "is due there one month review on " + onemonth + "<br>";
    }
  }
}

调试时，完全一样：

d = Fri Mar 07 2014 00:00:00 GMT-0000（GMT）
onemonth = Fri Mar 07 2014 00:00 ：00 GMT-0000（GMT）

d = Fri Mar 07 2014 00:00:00 GMT-0000 (GMT)onemonth = Fri Mar 07 2014 00:00:00 GMT-0000 (GMT)

然而，这并没有注册为比赛，为什么会这样呢，我该怎么办呢？最后。一些日期有不同的时区，如这个.. Wed May 07 2014 00:00:00 GMT + 0100（BST）有没有办法检查日期？

However this does not register as a match, why is this and how could i go about fixing this? Lastly. Some dates have different time zones such as this.. Wed May 07 2014 00:00:00 GMT+0100 (BST) is there any way to check for just the date?

非常感谢，

推荐答案

比较平等的日期对象不行。如果将它们转换为数字（或字符串）进行比较，则会更好。尝试这样：

Comparing date objects for equality does not work like that. It's better if you convert them to numbers (or strings) to compare. Try this:

if (d.getTime() == onemonth.getTime()){
  //etc
}

请注意，与> 和< 和变体它可以工作（因为它使用 valueOf ）。

Note that when comparing with > and < and variants it does work (because it uses valueOf).

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