suryee-stat-tp6/app/controller/Department.php

<?php
namespace app\controller;

use think\App;
use think\facade\View;
use app\model\Department as DepartmentModel;

class Department extends Base
{
    protected $model;

    public function __construct(App $app)
    {
        parent::__construct($app);
        $this->model = new DepartmentModel();
    }

    public function index()
    {
        $list = $this->model->select();

        return View::fetch('',['list'=>$list]);
    }

    public function info($id)
    {
        $data = $this->model->find($id);
        
        if ($this->request->isAjax()) {
            return json(['code'=>2, 'data'=>$data]);
        }
    }

    public function save()
    {
        if ($this->request->isPost()) {
            $param = $this->request->param();

            try {
                if ($param['id']) {
                    $department = $this->model->find(intval($param['id']));
                } else {
                    $department = new DepartmentModel();
                    $department->create_time = time();
                }
                $department->name = $param['name'];
                $department->director = $param['director'];
                
                $department->save();
            } catch (\Exception $e) {
                    return json(['code'=>0, 'msg'=>$e->getMessage()]);
            }

            return json(['code'=>2]);
        }
    }

    public function delete($id)
    {
        if ($this->request->isPost()) {
            if ($this->model->destroy($id)) {
                return json(['code'=>2]);
            } else {
                return json(['code'=>0]);
            }
        }
    }
}