EAS 中 oracle更改时间 语句

Date date = new Date();
    SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");;
    String dateformat = simpleDateFormat.format(date);  
    String sql = " /*dialect*/ update " + tableName
        + "  set CFBILLSTATUS=1 ,   FAUDITORID='"+id+"'  ,  CFAUDITDATE=to_date('"+dateformat+"','YYYY-MM-DD HH24:MI:SS')    where fid='" + billid + "'  ";
    boolean exeSQL = SQLFacadeFactory.getRemoteInstance().exeSQL(sql);