searchdemo/application/admin/controller/Chart.php

<?PHP
namespace app\admin\controller;

use app\admin\controller\Base;
use app\admin\model\ChartModel;
use think\Db;
class Chart extends Base
{
    public function index()
    {
        if(request()->isAjax ()){
            $model=new ChartModel();
            $count=Db::name("chart")->count();
            $lists=$model->index();
            //halt($lists);
            return json(['code'=>220,'count'=>$count,'data'=>$lists]);
        }
        return $this->fetch("index");
    }
    public function add()
    {
        if(request()->isAjax()){
            $data=input("post.");
            $model=new ChartModel();
            $add=$model->add($data);
            return $add;
        }
        return $this->fetch("add");
    }
    public function edit()
    {
        if(request()->isPost()){
            $data=input("post.");
            //halt($data);
            $model=new ChartModel();
            $edit=$model->edit($data);
            return $edit;
        }
        $id=input("id");
    //echo $id;die;
        $data=Db::name("chart")->where("cid",$id)->find();
        return $this->fetch("edit",["data"=>$data]);
    }
    public function del()
    {
        $id=input("id");
        $del=Db::name("chart")->where("cid",$id)->delete();
        if($del){
            return json(["code"=>200,"msg"=>"删除成功"]);
        }else{
            return json(["code"=>200,"msg"=>"删除失败"]);
        }
    }
}