declare--开始时间oracle怎么批量删除多个序列。v_date_start date:= to_date('2015-05-28 00:00:00','yyyy-mm-dd hh24:mi:ss');--结束时间v_date_end date:= to_date('2015-11-01 00:00:00','yyyy-mm-dd hh24:mi:ss');oracle修改游

if(msgs.size()==0){ ToastUtils.makeLongText("没有数据了",getActivity()); listViewMyMsgs.setVisibility(View.GONE); iv_7.setVisibility(View.VISIBLE);//图片显示可见 tv_tv1.setVisibility(View.VISIBLE);//文字显示可见}先判断集合size==0,如