• <记录> PHP Redis操作类


    namespace commoncontroller;
    class Redis {
        public $redisObj = null; //redis实例化时静态变量
    
        static protected $instance;
        protected $sn;
        protected $index;
    
        public function __construct($options = []) {
            $host = trim(isset($options["host"]) ? $options["host"] : '192.168.1.121');
            $port = trim(isset($options["port"]) ? $options["port"] : 6379);
            $auth = trim(isset($options["auth"]) ? $options["auth"] : "123");
            $index = trim(isset($options["index"]) ? $options["index"] : 0);
            if (!is_integer($index) && $index > 16) {
                $index = 0;
            }
            $sn = md5("{$host}{$port}{$auth}{$index}");
            $this->sn = $sn;
            if (!isset($this->redisObj[$this->sn])) {
                $this->redisObj[$this->sn] = new Redis();
                $this->redisObj[$this->sn]->connect($host, $port);
                $this->redisObj[$this->sn]->auth($auth);
                $this->redisObj[$this->sn]->select($index);
            }
            $this->redisObj[$this->sn]->sn = $sn;
            $this->index = $index;
            return;
        }
    
        /**
         * Power: Mikkle
         * Email:776329498@qq.com
         * @param array $options
         * @return Redis
         */
        public static function instance($options = []) {
            return new Redis($options);
        }
    
        public function setExpire($key, $time = 0) {
    
            if (!$key) {
                return false;
            }
            switch (true) {
            case ($time == 0):
                return $this->redisObj[$this->sn]->expire($key, 0);
                break;
            case ($time > time()):
                $this->redisObj[$this->sn]->expireAt($key, $time);
                break;
            default:
                return $this->redisObj[$this->sn]->expire($key, $time);
            }
        }
    
        /*------------------------------------start 1.string结构----------------------------------------------------*/
        /**
         * 增,设置值  构建一个字符串
         * @param string $key KEY名称
         * @param string $value  设置值
         * @param int $timeOut 时间  0表示无过期时间
         * @return true【总是返回true】
         */
        public function set($key, $value, $timeOut = 0) {
            $setRes = $this->redisObj[$this->sn]->set($key, $value);
            if ($timeOut > 0) {
                $this->redisObj[$this->sn]->expire($key, $timeOut);
            }
    
            return $setRes;
        }
    
        /**
         * 查,获取 某键对应的值,不存在返回false
         * @param $key ,键值
         * @return bool|string ,查询成功返回信息,失败返回false
         */
        public function get($key) {
            $setRes = $this->redisObj[$this->sn]->get($key); //不存在返回false
            if ($setRes === 'false') {
                return false;
            }
            return $setRes;
        }
        /*------------------------------------1.end string结构----------------------------------------------------*/
    
        /*------------------------------------2.start list结构----------------------------------------------------*/
        /**
         * 增,构建一个列表(先进后去,类似栈)
         * @param String $key KEY名称
         * @param string $value 值
         * @param $timeOut |num  过期时间
         */
        public function lpush($key, $value, $timeOut = 0) {
    //          echo "$key - $value 
    ";
            $re = $this->redisObj[$this->sn]->LPUSH($key, $value);
            if ($timeOut > 0) {
                $this->redisObj[$this->sn]->expire($key, $timeOut);
            }
    
            return $re;
        }
    
        /**
         * 增,构建一个列表(先进先去,类似队列)
         * @param string $key KEY名称
         * @param string $value 值
         * @param $timeOut |num  过期时间
         */
        public function rpush($key, $value, $timeOut = 0) {
    //          echo "$key - $value 
    ";
            $re = $this->redisObj[$this->sn]->RPUSH($key, $value);
            if ($timeOut > 0) {
                $this->redisObj[$this->sn]->expire($key, $timeOut);
            }
    
            return $re;
        }
    
        /**
         * 查,获取所有列表数据(从头到尾取)
         * @param string $key KEY名称
         * @param int $head  开始
         * @param int $tail     结束
         */
        public function lranges($key, $head, $tail) {
            return $this->redisObj[$this->sn]->lrange($key, $head, $tail);
        }
    
        /**
         * Power by Mikkle
         * QQ:776329498
         * @param $key
         * @return mixed
         */
    
        public function rpop($key) {
            return $this->redisObj[$this->sn]->rPop($key);
        }
        public function lpop($key) {
            return $this->redisObj[$this->sn]->lpop($key);
        }
    
        /*------------------------------------2.end list结构----------------------------------------------------*/
    
        /*------------------------------------3.start set结构----------------------------------------------------*/
    
        /**
         * 增,构建一个集合(无序集合)
         * @param string $key 集合Y名称
         * @param string|array $value  值
         * @param int $timeOut 时间  0表示无过期时间
         * @return
         */
        public function sadd($key, $value, $timeOut = 0) {
            $re = $this->redisObj[$this->sn]->sadd($key, $value);
            if ($timeOut > 0) {
                $this->redisObj[$this->sn]->expire($key, $timeOut);
            }
    
            return $re;
        }
    
        /**
         * 查,取集合对应元素
         * @param string $key 集合名字
         */
        public function smembers($key) {
            $re = $this->redisObj[$this->sn]->exists($key); //存在返回1,不存在返回0
            if (!$re) {
                return false;
            }
    
            return $this->redisObj[$this->sn]->smembers($key);
        }
    
        /*------------------------------------3.end  set结构----------------------------------------------------*/
    
        /*------------------------------------4.start sort set结构----------------------------------------------------*/
        /*
                 * 增,改,构建一个集合(有序集合),支持批量写入,更新
                 * @param string $key 集合名称
                 * @param array $score_value key为scoll, value为该权的值
                 * @return int 插入操作成功返回插入数量【,更新操作返回0】
        */
        public function zadd($key, $score_value, $timeOut = 0) {
            if (!is_array($score_value)) {
                return false;
            }
    
            $a = 0; //存放插入的数量
            foreach ($score_value as $score => $value) {
                $re = $this->redisObj[$this->sn]->zadd($key, $score, $value); //当修改时,可以修改,但不返回更新数量
                $re && $a += 1;
                if ($timeOut > 0) {
                    $this->redisObj[$this->sn]->expire($key, $timeOut);
                }
    
            }
            return $a;
        }
    
        /**
         * 查,有序集合查询,可升序降序,默认从第一条开始,查询一条数据
         * @param $key ,查询的键值
         * @param $min ,从第$min条开始
         * @param $max,查询的条数
         * @param $order ,asc表示升序排序,desc表示降序排序
         * @return array|bool 如果成功,返回查询信息,如果失败返回false
         */
        public function zrange($key, $min = 0, $num = 1, $order = 'desc') {
            $re = $this->redisObj[$this->sn]->exists($key); //存在返回1,不存在返回0
            if (!$re) {
                return false;
            }
    //不存在键值
            if ('desc' == strtolower($order)) {
                $re = $this->redisObj[$this->sn]->zrevrange($key, $min, $min + $num - 1);
            } else {
                $re = $this->redisObj[$this->sn]->zrange($key, $min, $min + $num - 1);
            }
            if (!$re) {
                return false;
            }
    //查询的范围值为空
            return $re;
        }
    
        /**
         * 返回集合key中,成员member的排名
         * @param $key,键值
         * @param $member,scroll值
         * @param $type ,是顺序查找还是逆序
         * @return bool,键值不存在返回false,存在返回其排名下标
         */
        public function zrank($key, $member, $type = 'desc') {
            $type = strtolower(trim($type));
            if ($type == 'desc') {
                $re = $this->redisObj[$this->sn]->zrevrank($key, $member); //其中有序集成员按score值递减(从大到小)顺序排列,返回其排位
            } else {
                $re = $this->redisObj[$this->sn]->zrank($key, $member); //其中有序集成员按score值递增(从小到大)顺序排列,返回其排位
            }
            if (!is_numeric($re)) {
                return false;
            }
    //不存在键值
            return $re;
        }
    
        /**
         * 返回名称为key的zset中score >= star且score <= end的所有元素
         * @param $key
         * @param $member
         * @param $star,
         * @param $end,
         * @return array
         */
        public function zrangbyscore($key, $star, $end) {
            return $this->redisObj[$this->sn]->ZRANGEBYSCORE($key, $star, $end);
        }
    
        /**
         * 返回名称为key的zset中元素member的score
         * @param $key
         * @param $member
         * @return string ,返回查询的member值
         */
        function zscore($key, $member) {
            return $this->redisObj[$this->sn]->ZSCORE($key, $member);
        }
        /*------------------------------------4.end sort set结构----------------------------------------------------*/
    
        /*------------------------------------5.hash结构----------------------------------------------------*/
        /**
         * 增,以json格式插入数据到缓存,hash类型
         * @param $redis_key |array , $redis_key['key']数据库的表名称;$redis_key['field'],下标key
         * @param $token,该活动的token,用于区分标识
         * @param $id,该活动的ID,用于区分标识
         * @param $data|array ,要插入的数据,
         * @param $timeOut ,过期时间,默认为0
         * @return $number 插入成功返回1【,更新操作返回0】
         */
        public function hset_json($redis_key, $token, $id, $data, $timeOut = 0) {
            $redis_table_name = $redis_key['key'] . ':' . $token; //key的名称
            $redis_key_name = $redis_key['field'] . ':' . $id; //field的名称,表示第几个活动
            $redis_info = json_encode($data); //field的数据value,以json的形式存储
            $re = $this->redisObj[$this->sn]->hSet($redis_table_name, $redis_key_name, $redis_info); //存入缓存
            if ($timeOut > 0) {
                $this->redisObj[$this->sn]->expire($redis_table_name, $timeOut);
            }
    //设置过期时间
            return $re;
        }
    
        /**
         * 查,json形式存储的哈希缓存,有值则返回;无值则查询数据库并存入缓存
         * @param $redis,$redis['key'],$redis['field']分别是hash的表名称和键值
         * @param $token,$token为公众号
         * @param $token,$id为活动ID
         * @return bool|array, 成功返回要查询的信息,失败或不存在返回false
         */
        public function hget_json($redis_key, $token, $id) {
            $re = $this->redisObj[$this->sn]->hexists($redis_key['key'] . ':' . $token, $redis_key['field'] . ':' . $id); //返回缓存中该hash类型的field是否存在
            if ($re) {
                $info = $this->redisObj[$this->sn]->hget($redis_key['key'] . ':' . $token, $redis_key['field'] . ':' . $id);
                $info = json_decode($info, true);
            } else {
                $info = false;
            }
            return $info;
        }
    
        public function hset($redis_key, $name, $data, $timeOut = 0) {
            $re = $this->redisObj[$this->sn]->hset($redis_key, $name, $data);
            if ($timeOut > 0) {
                $this->redisObj[$this->sn]->expire($redis_key, $timeOut);
            }
    
            return $re;
        }
    
        /**
         * 增,普通逻辑的插入hash数据类型的值
         * @param $key ,键名
         * @param $data |array 一维数组,要存储的数据
         * @param $timeOut |num  过期时间
         * @return $number 返回OK【更新和插入操作都返回ok】
         */
        public function hmset($key, $data, $timeOut = 0) {
            $re = $this->redisObj[$this->sn]->hmset($key, $data);
            if ($timeOut > 0) {
                $this->redisObj[$this->sn]->expire($key, $timeOut);
            }
    
            return $re;
        }
    
        /**
         * 查,普通的获取值
         * @param $key,表示该hash的下标值
         * @return array 。成功返回查询的数组信息,不存在信息返回false
         */
        public function hval($key) {
            $re = $this->redisObj[$this->sn]->exists($key); //存在返回1,不存在返回0
            if (!$re) {
                return false;
            }
    
            $vals = $this->redisObj[$this->sn]->hvals($key);
            $keys = $this->redisObj[$this->sn]->hkeys($key);
            $re = array_combine($keys, $vals);
            foreach ($re as $k => $v) {
                if (!is_null(json_decode($v))) {
                    $re[$k] = json_decode($v, true); //true表示把json返回成数组
                }
            }
            return $re;
        }
    
        /**
         *
         * @param $key
         * @param $filed
         * @return bool|string
         */
        public function hget($key, $filed = []) {
            if (empty($filed)) {
                $re = $this->redisObj[$this->sn]->hgetAll($key);
            } elseif (is_string($filed)) {
                $re = $this->redisObj[$this->sn]->hget($key, $filed);
            } elseif (is_array($filed)) {
    
                $re = $this->redisObj[$this->sn]->hMget($key, $filed);
            }
            if (!$re) {
                return false;
            }
            return $re;
        }
    
        public function hsetAll($redis_key, $name, $data, $timeOut = 0) {
            $re = $this->redisObj[$this->sn]->hset($redis_key, $name, $data);
            if ($timeOut > 0) {
                $this->redisObj[$this->sn]->expire($redis_key, $timeOut);
            }
    
            return $re;
        }
    
        public function hdel($redis_key, $name) {
            $re = $this->redisObj[$this->sn]->hdel($redis_key, $name);
            return $re;
        }
    
        /*------------------------------------end hash结构----------------------------------------------------*/
    
        /*------------------------------------其他结构----------------------------------------------------*/
        /**
         * 设置自增,自减功能
         * @param $key ,要改变的键值
         * @param int $num ,改变的幅度,默认为1
         * @param string $member ,类型是zset或hash,需要在输入member或filed字段
         * @param string $type,类型,default为普通增减,还有:zset,hash
         * @return bool|int 成功返回自增后的scroll整数,失败返回false
         */
        public function incre($key, $num = 1, $member = '', $type = '') {
            $num = intval($num);
            switch (strtolower(trim($type))) {
            case "zset":
                $re = $this->redisObj[$this->sn]->zIncrBy($key, $num, $member); //增长权值
                break;
            case "hash":
                $re = $this->redisObj[$this->sn]->hincrby($key, $member, $num); //增长hashmap里的值
                break;
            default:
                if ($num > 0) {
                    $re = $this->redisObj[$this->sn]->incrby($key, $num); //默认增长
                } else {
                    $re = $this->redisObj[$this->sn]->decrBy($key, -$num); //默认增长
                }
                break;
            }
            if ($re) {
                return $re;
            }
    
            return false;
        }
    
        /**
         * 清除缓存
         * @param int $type 默认为0,清除当前数据库;1表示清除所有缓存
         */
        function flush($type = 0) {
            if ($type) {
                $this->redisObj[$this->sn]->flushAll(); //清除所有数据库
            } else {
                $this->redisObj[$this->sn]->flushdb(); //清除当前数据库
            }
        }
    
        /**
         * 检验某个键值是否存在
         * @param $keys ,键值
         * @param string $type,类型,默认为常规
         * @param string $field。若为hash类型,输入$field
         * @return bool
         */
        public function exists($keys, $type = '', $field = '') {
            switch (strtolower(trim($type))) {
            case 'hash':
                $re = $this->redisObj[$this->sn]->hexists($keys, $field); //有返回1,无返回0
                break;
            default:
                $re = $this->redisObj[$this->sn]->exists($keys);
                break;
            }
            return $re;
        }
    
        /**
         * 删除缓存
         * @param string|array $key,键值
         * @param $type,类型,默认为常规,还有hash,zset
         * @param string $field,hash=>表示$field值,set=>表示value,zset=>表示value值,list类型特殊暂时不加
         * @return int | ,返回删除的个数
         */
        public function delete($key, $type = "default", $field = '') {
            switch (strtolower(trim($type))) {
            case 'hash':
                $re = $this->redisObj[$this->sn]->hDel($key, $field); //返回删除个数
                break;
            case 'set':
                $re = $this->redisObj[$this->sn]->sRem($key, $field); //返回删除个数
                break;
            case 'zset':
                $re = $this->redisObj[$this->sn]->zDelete($key, $field); //返回删除个数
                break;
            default:
                $re = $this->redisObj[$this->sn]->del($key); //返回删除个数
                break;
            }
            return $re;
        }
    
        //日志记录
        public function logger($log_content, $position = 'user') {
            $max_size = 1000000; //声明日志的最大尺寸1000K
    
            $log_dir = './log'; //日志存放根目录
    
            if (!file_exists($log_dir)) {
                mkdir($log_dir, 0777);
            }
    //如果不存在该文件夹,创建
    
            if ($position == 'user') {
                $log_filename = "{$log_dir}/User_redis_log.txt"; //日志名称
            } else {
                $log_filename = "{$log_dir}/Wap_redis_log.txt"; //日志名称
            }
    
            //如果文件存在并且大于了规定的最大尺寸就删除了
            if (file_exists($log_filename) && (abs(filesize($log_filename)) > $max_size)) {
                unlink($log_filename);
            }
    
            //写入日志,内容前加上时间, 后面加上换行, 以追加的方式写入
            file_put_contents($log_filename, date('Y-m-d_H:i:s') . " " . $log_content . "
    ", FILE_APPEND);
        }
    
        function __destruct() {
            //  $this->redisObj[$this->sn]->close();
        }
    
        /**
         * 魔术方法 有不存在的操作的时候执行
         * @access public
         * @param string $method 方法名
         * @param array $args 参数
         * @return mixed
         */
        public function __call($method, $args) {
            call_user_func_array([$this->redisObj[$this->sn], $method], $args);
        }
    }

    使用方法

    //hash 操作
    $config = array(
        'host' => '192.168.1.121',
        'port' => 6379,
        'index' => 0,
        'auth' => '123',
    );
    try {
        $redis = new Redis($config);
    } catch (Exception $e) {
        echo "Redis 连接失败";
        exit();
    }
    // 设置数组
    $redis->hmset('tom', ['name' => 'tom', 'age' => 10, 'hobby' => 'football,climbing'], 60);
    // 取出数组
    $res = $redis->hval('tom');
    //设置单项值
    $redis->hset('tom','age',15);
    
    
    //List 操作
    for ($i = 0; $i < 10; $i++) {
        $redis->lpush('queue', 'employee_' . $i);
    }
    $element = $redis->rpop('queue');
    //获得队列内全部
    var_dump($redis->lranges('queue', 0, -1));
    //删除KEY
    $redis->del('queue');
    
    
    //string操作
    //设置值
    $redis->set('google', 'www.google.com');
    //取值
    $redis->get('google');
    //自加1
    $redis->incr('visit');
    //自加10
    $redis->incrby('visit', 10);
    //自加1
    $redis->decr('visit');
    //自加10
    $redis->decrby('visit', 10);
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  • 原文地址:https://www.cnblogs.com/xiaoliwang/p/9286928.html
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