104 lines
2.9 KiB
PHP
104 lines
2.9 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2016~2023 https://www.crmeb.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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// +----------------------------------------------------------------------
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// | Author: CRMEB Team <admin@crmeb.com>
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// +----------------------------------------------------------------------
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namespace app\services\other;
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use app\dao\other\CacheDao;
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use app\services\BaseServices;
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/**
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* 数据库表缓存
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* Class CacheServices
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* @package app\services\other
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* @method delectDeOverdueDbCache() 删除过期缓存
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*/
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class CacheServices extends BaseServices
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{
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public function __construct(CacheDao $dao)
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{
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$this->dao = $dao;
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}
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/**
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* 获取数据缓存
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* @param string $key
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* @param $default 默认值不存在则写入
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* @param int $expire
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* @return mixed|null
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*/
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public function getDbCache(string $key, $default, int $expire = 0)
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{
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$this->delectDeOverdueDbCache();
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$result = $this->dao->value(['key' => $key], 'result');
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if ($result) {
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return json_decode($result, true);
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} else {
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if ($default instanceof \Closure) {
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// 获取缓存数据
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$value = $default();
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if ($value) {
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$this->setDbCache($key, $value, $expire);
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return $value;
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}
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} else {
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$this->setDbCache($key, $default, $expire);
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return $default;
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}
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return null;
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}
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}
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/**
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* 设置数据缓存存在则更新，没有则写入
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* @param string $key
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* @param string | array $result
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* @param int $expire
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* @return void
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*/
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public function setDbCache(string $key, $result, $expire = 0)
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{
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$this->delectDeOverdueDbCache();
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$addTime = $expire ? time() + $expire : 0;
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if ($this->dao->count(['key' => $key])) {
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return $this->dao->update($key, [
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'result' => json_encode($result),
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'expire_time' => $addTime,
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'add_time' => time()
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], 'key');
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} else {
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return $this->dao->save([
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'key' => $key,
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'result' => json_encode($result),
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'expire_time' => $addTime,
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'add_time' => time()
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]);
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}
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}
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/**
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* 删除某个缓存
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* @param string $key
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* @return false|mixed
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*/
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public function delectDbCache(string $key = '')
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{
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if ($key)
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return $this->dao->delete($key, 'key');
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else
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return false;
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}
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}
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