125 lines
2.6 KiB
PHP
125 lines
2.6 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | CatchAdmin [Just Like ～ ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2017~2020 http://catchadmin.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( https://github.com/yanwenwu/catch-admin/blob/master/LICENSE.txt )
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// +----------------------------------------------------------------------
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// | Author: JaguarJack [ njphper@gmail.com ]
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// +----------------------------------------------------------------------
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namespace catcher\library\crontab;
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use Cron\CronExpression;
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use think\facade\Console;
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/**
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* Class Cron
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* @package catcher\library\crontab
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*
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* // cron 表达式
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* * * * *
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* - - - - -
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* | | | | |
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* | | | | |
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* | | | | +----- day of week (0 - 6) (Sunday=0)
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* | | | +---------- month (1 - 12)
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* | | +--------------- day of month (1 - 31)
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* | +-------------------- hour (0 - 23)
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* +------------------------- min (0 - 59)
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*
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*
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*
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*/
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class Cron
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{
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use Frequencies;
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/**
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* crontab 表达式
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*
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* @var string
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*/
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protected $expression = '* * * * *';
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/**
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* task 任务
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*
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* @var string
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*/
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protected $task;
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/**
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* console 命令
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*
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* @var string
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*/
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protected $console;
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/**
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* console 参数
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*
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* @var array
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*/
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protected $arguments;
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/**
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* 秒级支持
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*
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* @var int
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*/
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protected $second;
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public function __construct($name, $arguments = [])
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{
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if (is_string($name)) {
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$this->console = $name;
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}
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if (is_object($name)) {
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$this->task = $name;
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}
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$this->arguments = $arguments;
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}
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/**
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* 运行 cron 任务
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*
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* @time 2020年07月04日
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* @return void
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*/
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public function run()
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{
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if ($this->console) {
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Console::call($this->console, $this->arguments);
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}
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if ($this->task && method_exists($this->task, 'run')) {
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$this->task->run();
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}
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}
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/**
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* 是否可运行
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*
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* @time 2020年07月04日
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* @return bool
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*/
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protected function can()
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{
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if ($this->second) {
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$now = date('s', time());
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return in_array($now, [--$now, $now, ++$now]);
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}
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if ($this->expression) {
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$cron = CronExpression::factory($this->expression);
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return $cron->isDue('now');
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}
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return false;
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}
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} |