写个加载结束事件,给单元格赋值
//获取当前时间YYYY-MM-DD HH:MM:SS格式
var date = new Date();
var seperator1 = "-";
var seperator2 = ":";
var month = date.getMonth() + 1<10? "0"+(date.getMonth() + 1):date.getMonth() + 1;
var strDate = date.getDate()<10? "0" + date.getDate():date.getDate();
var a = date.getFullYear() + seperator1 + month + seperator1 + strDate + " " + date.getHours() + seperator2 + date.getMinutes() + seperator2 + date.getSeconds();
//给单元格赋值
contentPane.setCellValue(0,0,a);