使用应用程序脚本在谷歌电子表格中设置数据验证规则时遇到问题。下面是两个函数,一个是 onChange 函数,只要用户以任何方式更改电子表格,就会触发该函数。
每当从特定工作表中添加/删除一行时,都会触发 updatenamedataVal() 函数。
一切正常,代码执行。但是单元格中没有数据验证集!怎么了?
function myonChange(e){
  var ss = e.source.getActiveSheet();
  var ssname = ss.getSheetName();
  if((e.changeType === 'INSERT_COLUMN' || e.changeType === 'REMOVE_COLUMN') && ssname !== 'Aggregates'){
    Browser.msgBox('Whoops!','You are not allowed to add/remove columns. Please undo action by pressing CTRL+Z', Browser.Buttons.OK);  
  }
  else if((e.changeType === 'INSERT_ROW' || e.changeType === 'REMOVE_ROW') && ssname === 'Teacher Details'){
    var ssrange = ss.getDataRange();
    var valrange = ss.getRange(2,3,ssrange.getLastRow(),1);
    updatenamecelldataVal(valrange);
  } 
};
function updatenamecelldataVal(valrange){
      var sheets = SpreadsheetApp.getActiveSpreadsheet().getSheets();
      var numsheets = SpreadsheetApp.getActiveSpreadsheet().getNumSheets();
      var rule = SpreadsheetApp.newDataValidation().requireValueInRange(valrange).build();
      for(var i = 0; i < numsheets; i++){
        var sheetname = sheets[i].getName();
        var sheetrange = sheets[i].getDataRange();
        var sheetlastrow = sheetrange.getLastRow();
        if(sheetname !== 'Teacher Details' && sheetname !== 'Aggregates' && sheetname !== 'List of Subjects'){
          for(var j = 0; j < (sheetlastrow/17); j++){
            var namecell = sheetrange.getCell(4+(17*j), 2);
            namecell.clearDataValidations();
            namecell.setDataValidation(rule); 
          }
        }
      }
    };