ajax按钮改变数据状态

<td>

@if($project->done_deal==)

<button type="button" class="btn btn-danger btn-xs active done"  uid="{{$project->id}}" status="{{$project->done_deal}}">否</button>

@else

<button type="button" class="btn btn-primary btn-xs active done"  uid="{{$project->id}}" status="{{$project->done_deal}}">是</button>

@endif

</td>

$(".done").click(function() {

        var id=$(this).attr('uid');

        var status=$(this).attr('status');

        var _this=$(this);

        if(status==){

            var sta=;

        }else{

            var sta=;

        }

        var url="{{url('/admin/fine/done')}}";

        $.ajax({

            type: 'get',

            url: url+'/'+id+'/'+status,

            dataType:"json",

            data: {

            },

            success: function(data){

                console.log(data);

                if (data==) {

                    _this.removeClass('btn-danger').addClass('btn-primary').html('是');

                    _this.attr('id',id);

                    _this.attr('status',sta);

                }else{

                    _this.removeClass('btn-primary').addClass('btn-danger').html('否');

                    _this.attr('uid',id);

                    _this.attr('status',sta);

                }

            }

        });

    });

public function done($id,$status)

    {

        $if_done=$status==?:;

        Fine::where('id', $id)->update(['done_deal'=>$if_done]);

        //删除redis

        if(Redis::exists('fine_project'.$id)){

            Redis::del('fine_project'.$id);

        }

        if($if_done==){

            return ;

        }else{

            return ;

        }

    }