//需要在使用函数时传入event关键字

$('[name=lprice]').change(function(event){

        $('[name=lprice]').validate({

            event:event,

        });

    })

(function ( $ ) {

    var id=33;

$.fn.validate=function(options){

    // This is the easiest way to have default options.

    var settings = $.extend({

        // These are the defaults.

       reg: /^\d+$/,

       msg:'请输入数字',

       //提示span的类型

       noticeclass:'notice',

       event:'',

    }, options );

    $val=this.val();

    $val= $.trim($val);

$matchra=  $val.match(settings.reg);

this.nextAll().filter('.'+settings.noticeclass).remove();

alert(settings.event.type)

}

}( jQuery ));