workerman/app/controller/IndexController.php

<?php

namespace app\controller;

use support\Request;
use support\Db;
use app\result\Result;
use Carbon\Carbon;

use app\model\Timetable;

class IndexController
{
    public function index(Request $request)
    {
        static $readme;
        if (!$readme) {
            $readme = '700';
            // $readme = file_get_contents(base_path('README.md'));
        }
        return $readme;
    }

    /**
     * 更新时间
     */
    public function updated($whether_manual = 1)
    {
        // 获取当前时间
        $current = Carbon::now();

        // 添加 21 天到当前时间
        $trialExpires = $current->addDays(21);
        $timetable=new Timetable;
        $timetable->date=$trialExpires->toDateString();
        $timetable->tip=$whether_manual==0?'自动提交':'手动提交';
        $timetable->save();
        return Result::show(200, 'ok', ['time' => $timetable]);
    }

    /**
     * 每天访问一次的任务
     */
    public function scheduled_tasks($name = 'ThinkPHP6')
    {
        $db_time = Timetable::where('id', Timetable::where('id','>',0)->max('id'))->first();
        $time = $db_time['date'];
        // 获取当前时间
        $current = Carbon::now();
        for ($i = 0; $i < 8; $i++) {
            $current->subDay($i);
            if (strcmp($current->toDateString(), $time) == 0) {
                $i == 7 ? $this->updated(0) : '';
                return Result::show(200, 'ok', ['time' => $current->toDateString(), 'time2' => $time]);
            }
        }
        return Result::show(200,'ok','');
    }
    public function send_msg($title, $body)
    {
    }
}