[英]When called inside a function with parameters passed from parent, why is the setTimeout function logging undefined?
[英]Why is null passed to my function, when called from the editor?
在以下示例中,playgroundSheet 是全局定義的。 使用 BH2、BL2 如下運行時:
function testDates(DateLow, DateHigh) {
var now = playgroundSheet.getRange('BH2').getValue();;
var nowMilli = Number(now.getTime()).toFixed(0);
var targetDate = playgroundSheet.getRange('BL2').getValue();
var targetDateMilli = Number(targetDate.getTime()).toFixed(0);
var durationMilli = targetDateMilli - nowMilli;
// return numberOfDays
Logger.log(now);
Logger.log(nowMilli);
Logger.log(targetDate);
Logger.log(targetDateMilli);
Logger.log(durationMilli/day);
}
我得到了我想要的結果:
11:00:18 AM Notice Execution started
11:00:20 AM Info Wed Jun 08 00:00:00 GMT-04:00 2022
11:00:20 AM Info 1654660800000
11:00:20 AM Info Sun Jun 12 00:00:00 GMT-04:00 2022
11:00:20 AM Info 1655006400000
11:00:20 AM Info 4.0
11:00:20 AM Info null
11:00:20 AM Info Wed Jun 08 00:00:00 GMT-04:00 2022
11:00:20 AM Info 1654660800000
11:00:20 AM Info Sun Jun 12 00:00:00 GMT-04:00 2022
11:00:20 AM Info 1655006400000
11:00:20 AM Info 4.0
11:00:19 AM Notice Execution completed
但通過調用函數運行:
var numberOfDays = testDates('BH2','BL2');
Logger.log(numberOfDays);
function testDates(DateLow, DateHigh) {
var now = playgroundSheet.getRange(DateLow).getValue();;
var nowMilli = Number(now.getTime()).toFixed(0);
var targetDate = playgroundSheet.getRange(DateHigh).getValue();
var targetDateMilli = Number(targetDate.getTime()).toFixed(0);
var durationMilli = targetDateMilli - nowMilli;
return numberOfDays;
我得到以下信息:
10:28:03 AM Notice Execution started
10:28:03 AM Info null
10:28:03 AM Error
Exception: Argument cannot be null: a1Notation
testDates @ Code.gs:13
第 13 行在哪里
var now = playgroundSheet.getRange(DateLow).getValue();```
我已經嘗試過傳遞 (row, col, #row, #col) 語法,但我沒有任何想法。
關於
var numberOfDays = testDates('BH2','BL2');
Logger.log(numberOfDays);
function testDates(DateLow, DateHigh) {
var now = playgroundSheet.getRange(DateLow).getValue();;
var nowMilli = Number(now.getTime()).toFixed(0);
var targetDate = playgroundSheet.getRange(DateHigh).getValue();
var targetDateMilli = Number(targetDate.getTime()).toFixed(0);
var durationMilli = targetDateMilli - nowMilli;
return numberOfDays;
}
代替
var numberOfDays = testDates('BH2','BL2');
Logger.log(numberOfDays);
經過
function myFunction(){
var numberOfDays = testDates('BH2','BL2');
Logger.log(numberOfDays);
}
然后運行myFunction
而不是testDates
。
以上是因為從腳本編輯器、自定義菜單等調用testDates
或任何其他函數將導致全局范圍內的語句在運行被調用的函數之前執行,在這種情況下,它運行了兩次,第一次是由var numberOfDays = testDates('BH2','BL2');
第二個由用於調用函數的 UI/觸發器。 發生錯誤是因為來自 UI 的調用未將參數傳遞給函數。
試試這種方式:
function testDates(DateLow, DateHigh) {
const ss = SpreadsheetApp.getActive();
const sh = ss.getSheetByName('pg');
var now = new Date(sh.getRange('BH2').getValue());
var nowMilli = now.valueOf();
var targetDate = new Date(sh.getRange('BL2').getValue());
var targetDateMilli = targetDate.valueOf()
var durationMilli = targetDateMilli - nowMilli;
}
感謝 TheMaster 和 Rubén。 從另一個函數調用的最后一個函數返回兩個日期之間的天數:
function testDates(DateLow, DateHigh) {
var now = playgroundSheet.getRange('BH2').getValue();;
var nowMilli = Number(now.getTime()).toFixed(0);
var targetDate = playgroundSheet.getRange('BL2').getValue();
var targetDateMilli = Number(targetDate.getTime()).toFixed(0);
var durationMilli = (targetDateMilli - nowMilli).toFixed(0);
return durationMilli/day;
}
當我嘗試學習語言時,我在這里閱讀了很多書,這是我的第一個問題。 對快速而有用的響應感到非常驚訝。 永遠學習,大衛
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