JQuery DataTables——AJAX重载不起作用

I am using DataTables to display some data. When a new record is added (via AJAX), I am trying to reload the table on success. I get the error "oTable is not defined" whenever I try to call either oTable.fnDraw() or oTable.fnReloadAjax(). What am I doing wrong?I am using DataTables to display some data. Whe