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[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 是全局定义的。 使用 BH2、BL2 如下运行时:
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);
}
我得到了我想要的结果:
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
但通过调用函数运行:
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();```
我已经尝试过传递 (row, col, #row, #col) 语法,但我没有任何想法。
关于
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);
经过
function myFunction(){
var numberOfDays = testDates('BH2','BL2');
Logger.log(numberOfDays);
}
然后运行myFunction
而不是testDates
。
以上是因为从脚本编辑器、自定义菜单等调用testDates
或任何其他函数将导致全局范围内的语句在运行被调用的函数之前执行,在这种情况下,它运行了两次,第一次是由var numberOfDays = testDates('BH2','BL2');
第二个由用于调用函数的 UI/触发器。 发生错误是因为来自 UI 的调用未将参数传递给函数。
试试这种方式:
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;
}
感谢 TheMaster 和 Rubén。 从另一个函数调用的最后一个函数返回两个日期之间的天数:
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;
}
当我尝试学习语言时,我在这里阅读了很多书,这是我的第一个问题。 对快速而有用的响应感到非常惊讶。 永远学习,大卫
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