//显示列表
public function lists1()
{
    $arr=Yii::$app->db->createCommand("select * from acticle join type on type.t_id=acticle.t_id order by sort desc")->queryall();
    return $arr;
}
//置顶
public function top(){
    $arr=$this::find()->select("sort")->asArray()->all();
    //print_r($arr);die;
    $rows=array();
    foreach($arr as $key=>$v)
    {
      $rows[]=$v['sort'];
    }
    $max=array_search(max($rows),$rows);
    return intval($rows[$max]+1);
  }
  //修改数据
  public function update1($sort,$acticle_id){
    $arr=Yii::$app->db->createCommand()->update("acticle",['sort'=>$sort],['acticle_id'=>$acticle_id]);
    if($arr->execute()){
      return 1;
    }else{
      return 2;
    }
}

//文章置顶
public function actionTopq(){
    $acticle_id=$_GET['id'];
    //echo $acticle_id;die;
    //获取最大sort
    $model=new Acticle();
    $sort=$model->top();
    //修改数据
    $row=$model->update1($sort,$acticle_id);
    //echo $row;die;
    if($row==1){
      //替换数据，置顶
      $res1=$model->lists1();
      $art=new Articles();
      $res6=$art->get_right($res1,5);
      return $res6;
    }else{
    return false;
    }
}

<!-- 文章列表 -->
<div class="r_230_b ma_b8" style="float:right;right:0;line">
<div class="news_t" ><h2><font color="#d52c99">最新动态</font></h2></div>
<"index.php",{id:ts},function(msg){
    $('#sort').html(msg);
    //alert(msg);
  })
}
</script>