china/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"]);
        }
    }
}