*/
public String saveTrigger(){
String hour = request.getParameter("hour");
String minute = request.getParameter("minute");
try{
CronExpression exp = new CronExpression("0",minute,hour,"?","*","*");
schedulerManager.updateCronExp(name,group,exp);
this.saveSuccessMessage("更新时钟成功！");
}catch( Exception e ){
this.addActionError("更新时钟异常："+e.getMessage());
return INPUT;