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39 lines
1.4 KiB
39 lines
1.4 KiB
3 years ago
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<?php
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class redisCache {
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private $redisSetting = array( // redis接口
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'host' => '127.0.0.1',
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'port' => 6379,
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'passwd' => ''
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);
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public function __construct($prefix) { // 类构建时指定前缀
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$this->redisSetting['prefix'] = 'tgbot-' . $prefix . '-';
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}
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public function getData($key) { // 查询Redis缓存，不存在返回NULL
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$redis = new Redis();
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$redis->connect($this->redisSetting['host'], $this->redisSetting['port']);
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if ($this->redisSetting['passwd'] !== '') {
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$redis->auth($this->redisSetting['passwd']); // 密码认证
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}
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$redisKey = $this->redisSetting['prefix'] . $key;
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$redisValue = $redis->exists($redisKey) ? $redis->get($redisKey) : NULL;
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return $redisValue;
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}
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public function setData($key, $data, $cacheTTL = 600) { // 写入信息到Redis缓存 默认10min过期
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$redis = new Redis();
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$redis->connect($this->redisSetting['host'], $this->redisSetting['port']);
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if ($this->redisSetting['passwd'] !== '') {
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$redis->auth($this->redisSetting['passwd']); // 密码认证
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}
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$redisKey = $this->redisSetting['prefix'] . $key;
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$status = $redis->set($redisKey, $data); // 写入数据库
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$redis->pexpire($redisKey, $cacheTTL * 1000); // 设置过期时间 单位ms
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return $status;
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}
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}
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?>
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