initRedis($host,$port,$auth); } /** * Get a instance of MyRedisClient * * @param string $key * @return object */ static function getInstance($configs) { if (!self::$instance) { self::$instance = new self($configs); } return self::$instance; } /** * 初始化Redis * $host,$port,$auth */ private function initRedis($host,$port,$auth=''){ $obj = new Redis(); $db = intval($GLOBALS['distribution_cfg']['REDIS_PREFIX_DB']); if(IS_LONG_LINK){ $connect = $obj->pconnect($host,$port); if($connect){ if($auth){ $obj->auth($auth); } $this->redis = $obj; }else{ exit("redis connect fail:".$connect); } }else{ $connect = $obj->connect($host,$port); if($connect){ if($auth){ $obj->auth($auth); } $this->redis = $obj; }else{ exit("redis connect fail:".$connect); } } if($db>0){ $this->redis->select($db); } } /** * 获得redis Resources * * @param $key redis存的key/或随机值 * @param string $tag master/slave */ public function getRedis(){ return $this->redis; } /** * 关闭连接 * pconnect 连接是无法关闭的 * * * @return boolean */ public function close(){ $this->redis->close(); return true; } /** * redis 字符串(String) 类型 * 将key和value对应。如果key已经存在了,它会被覆盖,而不管它是什么类型。 * @param $key * @param $value * @param $exp 过期时间 */ public function set($key,$value,$exp=0){ $redis = $this->redis; $redis->set($key,$value); !empty($exp) && $redis->expire($key,$exp); } public function set_lock($key,$value,$exp=10){ return $this->redis->set($key,$value,array('nx', 'ex' => $exp)); } /** * redis 字符串(String) 类型 * 返回key的value。如果key不存在,返回特殊值nil。如果key的value不是string,就返回错误,因为GET只处理string类型的values。 * @param $key */ public function get($key){ return $this->redis->get($key); } /** * redis 字符串(String) 类型 * KEYS pattern * 查找所有匹配给定的模式的键 * @param $is_key 默认是一个非正则表达试,使用模糊查询 * @param $key */ public function keys($key,$is_key=true){ if ($is_key) { return $this->redis->keys("*$key*"); } return $this->redis->keys("$key"); } public function keys_searche($prefix,$search_name){ return $this->redis->keys("$prefix*$search_name*"); } /** * 删除一个或多个key * @param $keys */ public function delete($keys){ // if(is_array($keys)){ // foreach ($keys as $key){ // // $this->redis->del($key); // } // }else { // // $this->redis->del($keys); // } $this->redis->delete($keys); } /** * redis 哈希表(hash)类型 * 返回哈希表 $key 中,所有的域和值。 * @param $key * */ public function hGetAll($key){ return $this->redis->hGetAll($key); } /** * redis 哈希表(hash)类型 * 批量填充HASH表。不是字符串类型的VALUE,自动转换成字符串类型。使用标准的值。NULL值将被储存为一个空的字符串。 * * 可以批量添加更新 value,key 不存在将创建,存在则更新值 * * @param $key * @param $fieldArr * @return * 如果命令执行成功,返回OK。 * 当key不是哈希表(hash)类型时,返回一个错误。 */ public function hMSet($key,$fieldArr){ return $this->redis->hmset($key,$fieldArr); } /** * Gets a value from the hash stored at key. * If the hash table doesn't exist, or the key doesn't exist, FALSE is returned. * * @param string $key * @param string $hashKey * @return string The value, if the command executed successfully BOOL FALSE in case of failure * @link http://redis.io/commands/hget */ public function hGet($key, $hashKey) { return $this->redis->hGet($key,$hashKey); } /** * Adds a value to the hash stored at key. If this value is already in the hash, FALSE is returned. * * @param string $key * @param string $hashKey * @param string $value * @return int * 1 if value didn't exist and was added successfully, * 0 if the value was already present and was replaced, FALSE if there was an error. * @link http://redis.io/commands/hset * @example *
	 * $redis->delete('h')
	 * $redis->hSet('h', 'key1', 'hello');  // 1, 'key1' => 'hello' in the hash at "h"
	 * $redis->hGet('h', 'key1');           // returns "hello"
	 *
	 * $redis->hSet('h', 'key1', 'plop');   // 0, value was replaced.
	 * $redis->hGet('h', 'key1');           // returns "plop"
	 * 
*/ public function hSet( $key, $hashKey, $value ) { return $this->redis->hSet($key, $hashKey, $value); } public function hMGet( $key, $hashKeys ) { return $this->redis->hMGet($key,$hashKeys); } public function hIncrBy( $key, $hashKey, $value){ return $this->redis->hIncrBy( $key, $hashKey, $value); } /** * redis 哈希表(hash)类型 * 向已存在于redis里的Hash 添加多个新的字段及值 * * @param $key redis 已存在的key * @param $field_arr kv形数组 */ public function hAddFieldArr($key,$field_arr){ foreach ($field_arr as $k=>$v){ $this->hAddFieldOne($key, $k, $v); } } /** * 向已存在于redis里的Hash 添加一个新的字段及值 * @param $key * @param $field_name * @param $field_value * @return bool */ public function hAddFieldOne($key,$field_name,$field_value){ return $this->redis->hsetnx($key,$field_name,$field_value); } /** * 向Hash里添加多个新的字段或修改一个已存在字段的值 * @param $key * @param $field_arr */ public function hAddOrUpValueArr($key,$field_arr){ foreach ($field_arr as $k=>$v){ $this->hAddOrUpValueOne($key, $k, $v); } } /** * 向Hash里添加多个新的字段或修改一个已存在字段的值 * @param $key * @param $field_name * @param $field_value * @return boolean * 1 if value didn't exist and was added successfully, * 0 if the value was already present and was replaced, FALSE if there was an error. */ public function hAddOrUpValueOne($key,$field_name,$field_value){ return $this->redis->hset($key,$field_name,$field_value); } /** * 删除哈希表key中的多个指定域,不存在的域将被忽略。 * @param $key * @param $field_arr */ public function hDel($key,$field_arr){ // foreach ($field_arr as $var){ // $this->hDelOne($key,$var); // } $keys = array(); if(is_array($field_arr)){ array_unshift($field_arr,$key); $keys = $field_arr; }else{ $keys = array($key,$field_arr); } return call_user_func_array(array($this->redis, "hDel"),$keys); } /** * 删除哈希表key中的一个指定域,不存在的域将被忽略。 * * @param $key * @param $field * @return BOOL TRUE in case of success, FALSE in case of failure */ public function hDelOne($key,$field){ return $this->redis->hdel($key,$field); } /** * 重命名key * * @param $oldkey * @param $newkey */ public function renameKey($oldkey,$newkey){ return $this->redis->rename($oldkey,$newkey); } /** * 删除一个或多个key * @param $keys */ // public function delKey($keys){ // if(is_array($keys)){ // foreach ($keys as $key){ // $this->redis->del($key); // } // }else { // $this->redis->del($keys); // } // } /** * 添加一个字符串值到LIST容器的顶部(左侧),如果KEY不存在,曾创建一个LIST容器,如果KEY存在并且不是一个LIST容器,那么返回FLASE。 * * @param unknown $key * @param unknown $val */ public function lPush($key,$val){ return $this->redis->lPush($key,$val); } public function rPush($key,$field_arr){ // $keys =array($key,$vals); if(is_array($field_arr)){ array_unshift($field_arr,$key); $keys = $field_arr; }else{ $keys = array($key,$field_arr); } // return $this->redis->rPush($key,$val); return call_user_func_array(array($this->redis, "rPush"), $keys); } /** * 返回LIST顶部(左侧)的VALUE,并且从LIST中把该VALUE弹出。 * @param unknown $key */ public function lPop($key){ return $this->redis->lPop($key); } public function lGetRange($key,$start,$end){ return $this->redis->lGetRange($key,$start,$end); } public function lRange($key,$start,$end){ return $this->redis->lRange($key,$start,$end); } /** * 批量的添加多个key 到redis * @param $fieldArr */ // public function mSetnx($fieldArr){ // // $this->redis->mSetnx($fieldArr); // } /* * 检查给定 key 是否存在。 * 若 key 存在,返回 1 ,否则返回 0 。 */ public function exists($key){ return $this->redis->exists($key); } /* *将 key 中储存的数字值增一。 *如果 key 不存在,那么 key 的值会先被初始化为 0 ,然后再执行 INCR 操作。 */ public function incr($key){ $this->redis->incr($key); } /* * 取得所有指定键的值。如果一个或多个键不存在,该数组中该键的值为假 * @param $keys * 返回值:返回包含所有键的值的数组 */ public function getMultiple($keys){ if(is_array($keys)){ $keys_array = array(); foreach($keys as $key){ $keys_array[] = $key; } return $this->redis->getMultiple($keys_array); }else{ return false; } } //====Set 有序集合===== public function sAdd($key,$value1){ return $this->redis->sAdd($key,$value1); } public function srem($key,$value1){ return $this->redis->srem($key,$value1); } public function sMembers($key){ return $this->redis->sMembers($key); } public function sismember($key,$value){ return $this->redis->sIsMember($key,$value); } public function sCard($key){ return $this->redis->sCard($key); } //回一个所有指定键的交集。如果只指定一个键,那么这个命令生成这个集合的成员。如果不存在某个键,则返回FALSE。 public function sinter( $keys){ return call_user_func_array(array($this->redis, "sinter"), $keys); } //====SortedSet 有序集合===== /* * 构建一个集合(有序集合) * @param string $key 集合名称 * @param string $value1 值 * @param int $score1 值 * return 被成功添加的新成员的数量,不包括那些被更新的、已经存在的成员。 */ public function zAdd($key,$score1,$value1){ return $this->redis->zAdd($key,$score1,$value1); } public function zMAdd($key,$data){ $array = array(); $array[] = $key; foreach($data as $k => $v) { $array[] = $v; $array[] = $k; } $keys = array_values($array); return call_user_func_array(array($this->redis, 'zAdd'), $keys); } /** * Returns the score of a given member in the specified sorted set. * * @param string $key * @param string $member * @return float * @link http://redis.io/commands/zscore * @example *
	 * $redis->zAdd('key', 2.5, 'val2');
	 * $redis->zScore('key', 'val2'); // 2.5
	 * 
* 查找 key中member的值 */ public function zScore( $key, $member ) { return $this->redis->zScore( $key, $member ); } /** * Returns the cardinality of an ordered set. * * @param string $key * @return int the set's cardinality * @example *
	 * $redis->zAdd('key', 0, 'val0');
	 * $redis->zAdd('key', 2, 'val2');
	 * $redis->zAdd('key', 10, 'val10');
	 * $redis->zCard('key');            // 3
	 * 
*/ public function zCard($key){ return $this->redis->zCard($key); } /** * Returns the number of elements of the sorted set stored at the specified key which have * scores in the range [start,end]. Adding a parenthesis before start or end excludes it * from the range. +inf and -inf are also valid limits. * * @param string $key * @param string $start * @param string $end * @return int the size of a corresponding zRangeByScore. * @link http://redis.io/commands/zcount * @example *
	 * $redis->zAdd('key', 0, 'val0');
	 * $redis->zAdd('key', 2, 'val2');
	 * $redis->zAdd('key', 10, 'val10');
	 * $redis->zCount('key', 0, 3); // 2, corresponding to array('val0', 'val2')
	 * 
* score 值在 min 和 max 之间的成员的数量。 */ public function zCount( $key, $start, $end ) { return $this->redis->zCount($key, $start, $end); } /** * Increments the score of a member from a sorted set by a given amount. * * @param string $key * @param float $value (double) value that will be added to the member's score * @param string $member * @return float the new value * @example *
	 * $redis->delete('key');
	 * $redis->zIncrBy('key', 2.5, 'member1');  // key or member1 didn't exist, so member1's score is to 0
	 *                                          // before the increment and now has the value 2.5
	 * $redis->zIncrBy('key', 1, 'member1');    // 3.5
	 * 
* member 成员的新 score 值,以字符串形式表示。 */ public function zIncrBy( $key, $value, $member ) { return $this->redis->zIncrBy( $key, $value, $member ); } /** * Returns a range of elements from the ordered set stored at the specified key, * with values in the range [start, end]. start and stop are interpreted as zero-based indices: * 0 the first element, * 1 the second ... * -1 the last element, * -2 the penultimate ... * * @param string $key * @param int $start * @param int $end * @param bool $withscores * @return array Array containing the values in specified range. * @link http://redis.io/commands/zrange * @example *
	 * $redis->zAdd('key1', 0, 'val0');
	 * $redis->zAdd('key1', 2, 'val2');
	 * $redis->zAdd('key1', 10, 'val10');
	 * $redis->zRange('key1', 0, -1); // array('val0', 'val2', 'val10')
	 * // with scores
	 * $redis->zRange('key1', 0, -1, true); // array('val0' => 0, 'val2' => 2, 'val10' => 10)
	 * 
* 指定区间内,带有 score 值(可选)的有序集成员的列表。 */ public function zRange( $key, $start, $end, $withscores = null ) { return $this->redis->zRange( $key, $start, $end, $withscores) ; } public function zRevRange( $key, $start, $end, $withscores = null ) { return $this->redis->zRevRange( $key, $start, $end, $withscores) ; } /** * Deletes a specified member from the ordered set. * * @param string $key * @param string $member1 * @param string $member2 * @param string $memberN * @return int Number of deleted values * @link http://redis.io/commands/zrem * @example *
	 * $redis->zAdd('z', 1, 'v2', 2, 'v2', 3, 'v3', 4, 'v4' );  // int(2)
	 * $redis->zRem('z', 'v2', 'v3');                           // int(2)
	 * var_dump( $redis->zRange('z', 0, -1) );
	 * //// Output:
	 * // array(2) {
	 * //   [0]=> string(2) "v1"
	 * //   [1]=> string(2) "v4"
	 * // }
	 * 
* 返回值:被成功移除的成员的数量,不包括被忽略的成员。 */ public function zRem( $key, $member1 ) { return $this->redis->zRem( $key, $member1 ); } //并集 public function zUnionStore($new_key,$keys,$withscore=true,$AGGREGATE = 'min'){ return $this->redis->zUnionStore($new_key,$keys,$withscore,$AGGREGATE); } //交集 保存到 destination 的结果集的基数。 public function zInterStore($new_key,$keys,$withscore = null,$AGGREGATE = 'max'){ return $this->redis->zInterStore($new_key,$keys,$withscore,$AGGREGATE); } /** * Returns the elements of the sorted set stored at the specified key which have scores in the * range [start,end]. Adding a parenthesis before start or end excludes it from the range. * +inf and -inf are also valid limits. * * zRevRangeByScore returns the same items in reverse order, when the start and end parameters are swapped. * * @param string $key * @param int $start * @param int $end * @param array $options Two options are available: * - withscores => TRUE, * - and limit => array($offset, $count) * @return array Array containing the values in specified range. * @link http://redis.io/commands/zrangebyscore * @example *
	 * $redis->zAdd('key', 0, 'val0');
	 * $redis->zAdd('key', 2, 'val2');
	 * $redis->zAdd('key', 10, 'val10');
	 * $redis->zRangeByScore('key', 0, 3);                                          // array('val0', 'val2')
	 * $redis->zRangeByScore('key', 0, 3, array('withscores' => TRUE);              // array('val0' => 0, 'val2' => 2)
	 * $redis->zRangeByScore('key', 0, 3, array('limit' => array(1, 1));                        // array('val2' => 2)
	 * $redis->zRangeByScore('key', 0, 3, array('limit' => array(1, 1));                        // array('val2')
	 * $redis->zRangeByScore('key', 0, 3, array('withscores' => TRUE, 'limit' => array(1, 1));  // array('val2' => 2)
	 * 
*/ public function zRangeByScore( $key, $start, $end, $options = array() ) { return $this->redis->zRangeByScore($key, $start, $end,$options); } public function srandmember($key,$num){ return $this->redis->srandmember($key,$num); } public function multi($mode=Redis::MULTI) { if(IS_REDIS_WORK) { return $this->redis->multi($mode); }else{ return $this->redis; } } public function exec( ) { if(IS_REDIS_WORK){ $this->redis->exec(); }else{ return false; } } public function discard( ) { $this->redis->discard(); } public function watch($key ) { $this->redis->watch($key); } } ?>