class Redis { public $redisObj = null;//redis實例化時靜態變量 static protected $instance; protected $sn; protected $index; public function __construct($options = []) { $host = trim(isset($options["host"]) ? $options["host"] : '127.0.0.1'); $port = trim(isset($options["port"]) ? $options["port"] : 6379); $auth = trim(isset($options["auth"]) ? $options["auth"] : "password"); $index = trim(isset($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結構----------------------------------------------------*/ /** * 增,設置值 構建一個字符串 * @param string $key KEY名稱 * @param string $value 設置值 * @param int $timeOut 時間 0表示無過時時間 * @return true【老是返回true】 */ public function set($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,獲取 某鍵對應的值,不存在返回false * @param $key ,鍵值 * @return bool|string ,查詢成功返回信息,失敗返回false */ public function get($key) { $setRes = $this->redisObj[$this->sn]->get($key);//不存在返回false if ($setRes === 'false') { return false; } return $setRes; } /*------------------------------------1.end string結構----------------------------------------------------*/ /*------------------------------------2.start list結構----------------------------------------------------*/ /** * 增,構建一個列表(先進後去,相似棧) * @param String $key KEY名稱 * @param string $value 值 * @param $timeOut |num 過時時間 */ public function lpush($key, $value, $timeOut = 0) { // echo "$key - $value \n"; $re = $this->redisObj[$this->sn]->LPUSH($key, $value); if ($timeOut > 0) $this->redisObj[$this->sn]->expire($key, $timeOut); return $re; } /** * 增,構建一個列表(先進先去,相似隊列) * @param string $key KEY名稱 * @param string $value 值 * @param $timeOut |num 過時時間 */ public function rpush($key, $value, $timeOut = 0) { // echo "$key - $value \n"; $re = $this->redisObj[$this->sn]->RPUSH($key, $value); if ($timeOut > 0) $this->redisObj[$this->sn]->expire($key, $timeOut); return $re; } /** * 查,獲取全部列表數據(從頭至尾取) * @param string $key KEY名稱 * @param int $head 開始 * @param int $tail 結束 */ public function lranges($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結構----------------------------------------------------*/ /*------------------------------------3.start set結構----------------------------------------------------*/ /** * 增,構建一個集合(無序集合) * @param string $key 集合Y名稱 * @param string|array $value 值 * @param int $timeOut 時間 0表示無過時時間 * @return */ public function sadd($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,取集合對應元素 * @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結構----------------------------------------------------*/ /*------------------------------------4.start sort set結構----------------------------------------------------*/ /* * 增,改,構建一個集合(有序集合),支持批量寫入,更新 * @param string $key 集合名稱 * @param array $score_value key爲scoll, value爲該權的值 * @return int 插入操做成功返回插入數量【,更新操做返回0】 */ public function zadd($key, $score_value, $timeOut = 0) { if (!is_array($score_value)) return false; $a = 0;//存放插入的數量 foreach ($score_value as $score => $value) { $re = $this->redisObj[$this->sn]->zadd($key, $score, $value);//當修改時,能夠修改,但不返回更新數量 $re && $a += 1; if ($timeOut > 0) $this->redisObj[$this->sn]->expire($key, $timeOut); } return $a; } /** * 查,有序集合查詢,可升序降序,默認從第一條開始,查詢一條數據 * @param $key ,查詢的鍵值 * @param $min ,從第$min條開始 * @param $max,查詢的條數 * @param $order ,asc表示升序排序,desc表示降序排序 * @return array|bool 若是成功,返回查詢信息,若是失敗返回false */ public function zrange($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;//不存在鍵值 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;//查詢的範圍值爲空 return $re; } /** * 返回集合key中,成員member的排名 * @param $key,鍵值 * @param $member,scroll值 * @param $type ,是順序查找仍是逆序 * @return bool,鍵值不存在返回false,存在返回其排名下標 */ public function zrank($key, $member, $type = 'desc') { $type = strtolower(trim($type)); if ($type == 'desc') { $re = $this->redisObj[$this->sn]->zrevrank($key, $member);//其中有序集成員按score值遞減(從大到小)順序排列,返回其排位 } else { $re = $this->redisObj[$this->sn]->zrank($key, $member);//其中有序集成員按score值遞增(從小到大)順序排列,返回其排位 } if (!is_numeric($re)) return false;//不存在鍵值 return $re; } /** * 返回名稱爲key的zset中score >= star且score <= end的全部元素 * @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); } /** * 返回名稱爲key的zset中元素member的score * @param $key * @param $member * @return string ,返回查詢的member值 */ function zscore($key, $member) { return $this->redisObj[$this->sn]->ZSCORE($key, $member); } /*------------------------------------4.end sort set結構----------------------------------------------------*/ /*------------------------------------5.hash結構----------------------------------------------------*/ /** * 增,以json格式插入數據到緩存,hash類型 * @param $redis_key |array , $redis_key['key']數據庫的表名稱;$redis_key['field'],下標key * @param $token ,該活動的token,用於區分標識 * @param $id ,該活動的ID,用於區分標識 * @param $data |array ,要插入的數據, * @param $timeOut ,過時時間,默認爲0 * @return $number 插入成功返回1【,更新操做返回0】 */ public function hset_json($redis_key, $token, $id, $data, $timeOut = 0) { $redis_table_name = $redis_key['key'] . ':' . $token; //key的名稱 $redis_key_name = $redis_key['field'] . ':' . $id; //field的名稱,表示第幾個活動 $redis_info = json_encode($data); //field的數據value,以json的形式存儲 $re = $this->redisObj[$this->sn]->hSet($redis_table_name, $redis_key_name, $redis_info);//存入緩存 if ($timeOut > 0) $this->redisObj[$this->sn]->expire($redis_table_name, $timeOut);//設置過時時間 return $re; } /** * 查,json形式存儲的哈希緩存,有值則返回;無值則查詢數據庫並存入緩存 * @param $redis ,$redis['key'],$redis['field']分別是hash的表名稱和鍵值 * @param $token ,$token爲公衆號 * @param $token ,$id爲活動ID * @return bool|array, 成功返回要查詢的信息,失敗或不存在返回false */ public function hget_json($redis_key, $token, $id) { $re = $this->redisObj[$this->sn]->hexists($redis_key['key'] . ':' . $token, $redis_key['field'] . ':' . $id);//返回緩存中該hash類型的field是否存在 if ($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,普通邏輯的插入hash數據類型的值 * @param $key ,鍵名 * @param $data |array 一維數組,要存儲的數據 * @param $timeOut |num 過時時間 * @return $number 返回OK【更新和插入操做都返回ok】 */ public function hmset($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,普通的獲取值 * @param $key ,表示該hash的下標值 * @return array 。成功返回查詢的數組信息,不存在信息返回false */ public function hval($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返回成數組 } } 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結構----------------------------------------------------*/ /*------------------------------------其餘結構----------------------------------------------------*/ /** * 設置自增,自減功能 * @param $key ,要改變的鍵值 * @param int $num ,改變的幅度,默認爲1 * @param string $member ,類型是zset或hash,須要在輸入member或filed字段 * @param string $type,類型,default爲普通增減 ,還有:zset,hash * @return bool|int 成功返回自增後的scroll整數,失敗返回false */ public function incre($key, $num = 1, $member = '', $type = '') { $num = intval($num); switch (strtolower(trim($type))) { case "zset": $re = $this->redisObj[$this->sn]->zIncrBy($key, $num, $member);//增加權值 break; case "hash": $re = $this->redisObj[$this->sn]->hincrby($key, $member, $num);//增加hashmap裏的值 break; default: if ($num > 0) { $re = $this->redisObj[$this->sn]->incrby($key, $num);//默認增加 } else { $re = $this->redisObj[$this->sn]->decrBy($key, -$num);//默認增加 } break; } if ($re) return $re; return false; } /** * 清除緩存 * @param int $type 默認爲0,清除當前數據庫;1表示清除全部緩存 */ function flush($type = 0) { if ($type) { $this->redisObj[$this->sn]->flushAll();//清除全部數據庫 } else { $this->redisObj[$this->sn]->flushdb();//清除當前數據庫 } } /** * 檢驗某個鍵值是否存在 * @param $keys ,鍵值 * @param string $type,類型,默認爲常規 * @param string $field。若爲hash類型,輸入 $field * @return bool */ public function exists($keys, $type = '', $field = '') { switch (strtolower(trim($type))) { case 'hash': $re = $this->redisObj[$this->sn]->hexists($keys, $field);//有返回1,無返回0 break; default: $re = $this->redisObj[$this->sn]->exists($keys); break; } return $re; } /** * 刪除緩存 * @param string|array $key,鍵值 * @param $type,類型,默認爲常規,還有hash ,zset * @param string $field ,hash=>表示$field值,set=>表示value,zset=>表示value值,list類型特殊暫時不加 * @return int | ,返回刪除的個數 */ public function delete($key, $type = "default", $field = '') { switch (strtolower(trim($type))) { case 'hash': $re = $this->redisObj[$this->sn]->hDel($key, $field);//返回刪除個數 break; case 'set': $re = $this->redisObj[$this->sn]->sRem($key, $field);//返回刪除個數 break; case 'zset': $re = $this->redisObj[$this->sn]->zDelete($key, $field);//返回刪除個數 break; default: $re = $this->redisObj[$this->sn]->del($key);//返回刪除個數 break; } return $re; } //日誌記錄 public function logger($log_content, $position = 'user') { $max_size = 1000000; //聲明日誌的最大尺寸1000K $log_dir = './log';//日誌存放根目錄 if (!file_exists($log_dir)) mkdir($log_dir, 0777);//若是不存在該文件夾,建立 if ($position == 'user') { $log_filename = "{$log_dir}/User_redis_log.txt"; //日誌名稱 } else { $log_filename = "{$log_dir}/Wap_redis_log.txt"; //日誌名稱 } //若是文件存在而且大於了規定的最大尺寸就刪除了 if (file_exists($log_filename) && (abs(filesize($log_filename)) > $max_size)) { unlink($log_filename); } //寫入日誌,內容前加上時間, 後面加上換行, 以追加的方式寫入 file_put_contents($log_filename, date('Y-m-d_H:i:s') . " " . $log_content . "\n", FILE_APPEND); } function __destruct() { // $this->redisObj[$this->sn]->close(); } /** * 魔術方法 有不存在的操做的時候執行 * @access public * @param string $method 方法名 * @param array $args 參數 * @return mixed */ public function __call($method, $args) { call_user_func_array([$this->redisObj[$this->sn], $method], $args); }