public function a(Request $request){
    //获取指定的id
    $id = $request->id;
    $rs=R::find($id);
    //仓库中
    $re=$rs->rfid;
    //判断仓库中的是否与数据库的rf在线的是否相等
    $ws= G::where('rfid','=',$re)->first();
    if($ws){
      return response()->json(['status'=>0,'msg'=>'不成功']);
    }
    //导入数据
    $sql=DB::insert("insert into gs( g ,id,created_at,updated_at) values (?,?,?,?)",
      [$rs->p,$rs->r,$rs->creat,$rs->up]);
//    成功删除
    if($sql){
      $rs->delete();
      return ['status'=>1,'msg'=>'成功'];
    }else{
      return response()->json(['status'=>0,'msg'=>'不成功']);
    }

<span class="change" data-id="{{id}}" >关联</span>

<script>
  $(".change").click(function () {
    var id = $(this).data("id");
    if(confirm("确定xxx")){
      $.ajax({
        url: '/',
        type: 'get',
        data: {'id':id},
        success: function (res) {
          if (res.status == 0) {
            layer.msg(res.msg);
          } else {
            layer.msg(res.msg, {icon: 1}, function () {
              location.href = '要跳转的页面';
            });
          }
        }
      });
    }
  });