tp5数据的ajax提交及连表查询

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$(".box").click(function () {
       $.ajax({
           method: "POST",
           url: '{:url("cha")}',
           data: {"name":1},
           dataType:"json",
           success: function(msg){
             console.log(msg)
           }
       });

})

  public function cha(Request $request)
    {
        if (request()->isPost()) {
            $dta=$_POST['name'];
            $list= Db::name('index')->alias('a')
                ->field('a.phone,a.duties,a.company,c.infor,c.id')
                ->join('lian c','a.id=c.id','left')
                ->where(array('a.name'=>$dta))
                ->select();
//            echo Db::name('index')->getLastSql();die;
            if($list){
                return array('data'=>$list,'de'=> 1);
            }
        }
        return $this->fetch();

    }