kettle job 获取当前日期

官方文档：https://wiki.pentaho.com/pages/viewpage.action?pageId=4358187

useDate =0;
if (useDate == 0) {
date = new java.util.Date();
//date.setDate(date.getDate()-1); //Go back 1 full day
dateFormat = new java.text.SimpleDateFormat("yyyyMMdd");
newDateStr = dateFormat.format(date);
parent_job.setVariable("start_date", newDateStr);
}
true;