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| 1 | -<?php | ||
| 2 | - | ||
| 3 | -namespace WebPlugin; | ||
| 4 | - | ||
| 5 | -use Hood\Cache as HoodCache; | ||
| 6 | - | ||
| 7 | -/** | ||
| 8 | - * 数据缓存的操作类 | ||
| 9 | - * | ||
| 10 | - * @name Cache | ||
| 11 | - * @package Plugin | ||
| 12 | - * @copyright yoho.inc | ||
| 13 | - * @version 1.0 (2015-10-10 11:23:47) | ||
| 14 | - * @author fei.hong <fei.hong@yoho.cn> | ||
| 15 | - */ | ||
| 16 | -class Cache | ||
| 17 | -{ | ||
| 18 | - | ||
| 19 | - /** | ||
| 20 | - * 设置缓存 | ||
| 21 | - * | ||
| 22 | - * 备注: | ||
| 23 | - * 采用主从分布式缓存 | ||
| 24 | - * master 代表主缓存服务器 | ||
| 25 | - * slave 代表从缓存服务器 | ||
| 26 | - * | ||
| 27 | - * 作用: | ||
| 28 | - * 在后端的服务异常挂掉了并且主服务器缓存(master)的数据时间到期后, | ||
| 29 | - * 能获取从服务器缓存(slave)的数据,不影响前端页面的正常访问. | ||
| 30 | - * | ||
| 31 | - * @param string $key 键名 | ||
| 32 | - * @param mixed $value 需要缓存的数据 | ||
| 33 | - * @param int $expire 缓存有效期(单位秒, 0表示永久) | ||
| 34 | - * @return void | ||
| 35 | - */ | ||
| 36 | - public static function set($key, $value, $expire = 300) | ||
| 37 | - { | ||
| 38 | - if (USE_CACHE) { | ||
| 39 | - try { | ||
| 40 | - // WINDOWS | ||
| 41 | - if (DIRECTORY_SEPARATOR === '\\') { | ||
| 42 | - HoodCache::Memcache('master')->set(self::makeKey($key, 'master'), $value, $expire); | ||
| 43 | - HoodCache::Memcache('slave')->set(self::makeKey($key, 'slave'), $value, 86400); // 二级缓存1天 | ||
| 44 | - } | ||
| 45 | - // LINUX | ||
| 46 | - else { | ||
| 47 | - HoodCache::Memcached('master')->set(self::makeKey($key, 'master'), $value, $expire); | ||
| 48 | - HoodCache::Memcached('slave')->set(self::makeKey($key, 'slave'), $value, 86400); // 二级缓存1天 | ||
| 49 | - } | ||
| 50 | - } catch (Exception $e) { | ||
| 51 | - // do nothing | ||
| 52 | - } | ||
| 53 | - } | ||
| 54 | - } | ||
| 55 | - | ||
| 56 | - /** | ||
| 57 | - * 获取缓存 | ||
| 58 | - * | ||
| 59 | - * @param string $key 键名 | ||
| 60 | - * @param string $node master代表主服务器, slave代表从服务器 | ||
| 61 | - * @return mixed | ||
| 62 | - */ | ||
| 63 | - public static function get($key, $node = 'master') | ||
| 64 | - { | ||
| 65 | - $result = array(); | ||
| 66 | - | ||
| 67 | - if (USE_CACHE) { | ||
| 68 | - try { | ||
| 69 | - // WINDOWS | ||
| 70 | - if (DIRECTORY_SEPARATOR === '\\') { | ||
| 71 | - $result = HoodCache::Memcache($node)->get(self::makeKey($key, $node)); | ||
| 72 | - } | ||
| 73 | - // LINUX | ||
| 74 | - else { | ||
| 75 | - $result = HoodCache::Memcached($node)->get(self::makeKey($key, $node)); | ||
| 76 | - } | ||
| 77 | - } catch (Exception $e) { | ||
| 78 | - $result = array(); | ||
| 79 | - } | ||
| 80 | - } | ||
| 81 | - | ||
| 82 | - return $result; | ||
| 83 | - } | ||
| 84 | - | ||
| 85 | - /** | ||
| 86 | - * 清除缓存 | ||
| 87 | - * | ||
| 88 | - * @param string $key 键名 | ||
| 89 | - * @return void | ||
| 90 | - */ | ||
| 91 | - public static function delete($key) | ||
| 92 | - { | ||
| 93 | - if (USE_CACHE) { | ||
| 94 | - // WINDOWS | ||
| 95 | - if (DIRECTORY_SEPARATOR === '\\') { | ||
| 96 | - HoodCache::Memcache('master')->delete(self::makeKey($key, 'master')); | ||
| 97 | - HoodCache::Memcache('slave')->delete(self::makeKey($key, 'slave')); | ||
| 98 | - } | ||
| 99 | - // LINUX | ||
| 100 | - else { | ||
| 101 | - HoodCache::Memcached('master')->delete(self::makeKey($key, 'master')); | ||
| 102 | - HoodCache::Memcached('slave')->delete(self::makeKey($key, 'slave')); | ||
| 103 | - } | ||
| 104 | - } | ||
| 105 | - } | ||
| 106 | - | ||
| 107 | - /** | ||
| 108 | - * 生成键名 | ||
| 109 | - * | ||
| 110 | - * @param string $key 键名 | ||
| 111 | - * @param string $prefix 前缀标识 | ||
| 112 | - * @return string | ||
| 113 | - */ | ||
| 114 | - public static function makeKey($key, $prefix) | ||
| 115 | - { | ||
| 116 | - return md5($prefix . '_' . $key); | ||
| 117 | - } | ||
| 118 | - | ||
| 119 | - /** | ||
| 120 | - * 累加 | ||
| 121 | - * | ||
| 122 | - * @param string $key | ||
| 123 | - * @param int $offset | ||
| 124 | - * @param int $initialValue | ||
| 125 | - * @param int $expiry | ||
| 126 | - * @return boolean | ||
| 127 | - */ | ||
| 128 | - public static function increment($key, $offset = 1, $initialValue = 0, $expiry = 0) | ||
| 129 | - { | ||
| 130 | - return HoodCache::Memcached('master')->increment(self::makeKey($key, 'master'), $offset, $initialValue, $expiry); | ||
| 131 | - } | ||
| 132 | - | ||
| 133 | - /** | ||
| 134 | - * 递减 | ||
| 135 | - * | ||
| 136 | - * @param string $key | ||
| 137 | - * @param int $offset | ||
| 138 | - * @return boolean | ||
| 139 | - */ | ||
| 140 | - public static function decrement($key, $offset = 1) | ||
| 141 | - { | ||
| 142 | - return HoodCache::Memcached('master')->decrement(self::makeKey($key, 'master'), $offset); | ||
| 143 | - } | ||
| 144 | - | ||
| 145 | -} | 1 | +<?php |
| 2 | + | ||
| 3 | +namespace WebPlugin; | ||
| 4 | + | ||
| 5 | +use Hood\Cache as HoodCache; | ||
| 6 | + | ||
| 7 | +/** | ||
| 8 | + * 数据缓存的操作类 | ||
| 9 | + * | ||
| 10 | + * @name Cache | ||
| 11 | + * @package Plugin | ||
| 12 | + * @copyright yoho.inc | ||
| 13 | + * @version 1.0 (2015-10-10 11:23:47) | ||
| 14 | + * @author fei.hong <fei.hong@yoho.cn> | ||
| 15 | + */ | ||
| 16 | +class Cache | ||
| 17 | +{ | ||
| 18 | + | ||
| 19 | + /** | ||
| 20 | + * 设置缓存 | ||
| 21 | + * | ||
| 22 | + * 备注: | ||
| 23 | + * 采用主从分布式缓存 | ||
| 24 | + * master 代表主缓存服务器 | ||
| 25 | + * slave 代表从缓存服务器 | ||
| 26 | + * | ||
| 27 | + * 作用: | ||
| 28 | + * 在后端的服务异常挂掉了并且主服务器缓存(master)的数据时间到期后, | ||
| 29 | + * 能获取从服务器缓存(slave)的数据,不影响前端页面的正常访问. | ||
| 30 | + * | ||
| 31 | + * @param string $key 键名 | ||
| 32 | + * @param mixed $value 需要缓存的数据 | ||
| 33 | + * @param int $expire 缓存有效期(单位秒, 0表示永久) | ||
| 34 | + * @return void | ||
| 35 | + */ | ||
| 36 | + public static function set($key, $value, $expire = 300) | ||
| 37 | + { | ||
| 38 | + if (USE_CACHE) { | ||
| 39 | + try { | ||
| 40 | + // WINDOWS | ||
| 41 | + if (DIRECTORY_SEPARATOR === '\\') { | ||
| 42 | + HoodCache::Memcache('master')->set(self::makeKey($key, 'master'), $value, $expire); | ||
| 43 | + HoodCache::Memcache('slave')->set(self::makeKey($key, 'slave'), $value, 86400); // 二级缓存1天 | ||
| 44 | + } | ||
| 45 | + // LINUX | ||
| 46 | + else { | ||
| 47 | + HoodCache::Memcached('master')->set(self::makeKey($key, 'master'), $value, $expire); | ||
| 48 | + HoodCache::Memcached('slave')->set(self::makeKey($key, 'slave'), $value, 86400); // 二级缓存1天 | ||
| 49 | + } | ||
| 50 | + } catch (Exception $e) { | ||
| 51 | + // do nothing | ||
| 52 | + } | ||
| 53 | + } | ||
| 54 | + } | ||
| 55 | + | ||
| 56 | + /** | ||
| 57 | + * 获取缓存 | ||
| 58 | + * | ||
| 59 | + * @param string $key 键名 | ||
| 60 | + * @param string $node master代表主服务器, slave代表从服务器 | ||
| 61 | + * @return mixed | ||
| 62 | + */ | ||
| 63 | + public static function get($key, $node = 'master') | ||
| 64 | + { | ||
| 65 | + $result = array(); | ||
| 66 | + | ||
| 67 | + if (USE_CACHE) { | ||
| 68 | + try { | ||
| 69 | + // WINDOWS | ||
| 70 | + if (DIRECTORY_SEPARATOR === '\\') { | ||
| 71 | + $result = HoodCache::Memcache($node)->get(self::makeKey($key, $node)); | ||
| 72 | + } | ||
| 73 | + // LINUX | ||
| 74 | + else { | ||
| 75 | + $result = HoodCache::Memcached($node)->get(self::makeKey($key, $node)); | ||
| 76 | + } | ||
| 77 | + } catch (Exception $e) { | ||
| 78 | + $result = array(); | ||
| 79 | + } | ||
| 80 | + } | ||
| 81 | + | ||
| 82 | + return $result; | ||
| 83 | + } | ||
| 84 | + | ||
| 85 | + /** | ||
| 86 | + * 直接查询缓存,不对key做任何处理 | ||
| 87 | + */ | ||
| 88 | + public static function getBy($key, $node = 'master') | ||
| 89 | + { | ||
| 90 | + $result = array(); | ||
| 91 | + | ||
| 92 | + try { | ||
| 93 | + // WINDOWS | ||
| 94 | + if (DIRECTORY_SEPARATOR === '\\') { | ||
| 95 | + $result = HoodCache::Memcache($node)->getBy($key); | ||
| 96 | + } | ||
| 97 | + // LINUX | ||
| 98 | + else { | ||
| 99 | + $result = HoodCache::Memcached($node)->getBy($key); | ||
| 100 | + } | ||
| 101 | + } catch (Exception $e) { | ||
| 102 | + $result = array(); | ||
| 103 | + } | ||
| 104 | + | ||
| 105 | + return $result; | ||
| 106 | + } | ||
| 107 | + | ||
| 108 | + /** | ||
| 109 | + * 清除缓存 | ||
| 110 | + * | ||
| 111 | + * @param string $key 键名 | ||
| 112 | + * @return void | ||
| 113 | + */ | ||
| 114 | + public static function delete($key) | ||
| 115 | + { | ||
| 116 | + if (USE_CACHE) { | ||
| 117 | + // WINDOWS | ||
| 118 | + if (DIRECTORY_SEPARATOR === '\\') { | ||
| 119 | + HoodCache::Memcache('master')->delete(self::makeKey($key, 'master')); | ||
| 120 | + HoodCache::Memcache('slave')->delete(self::makeKey($key, 'slave')); | ||
| 121 | + } | ||
| 122 | + // LINUX | ||
| 123 | + else { | ||
| 124 | + HoodCache::Memcached('master')->delete(self::makeKey($key, 'master')); | ||
| 125 | + HoodCache::Memcached('slave')->delete(self::makeKey($key, 'slave')); | ||
| 126 | + } | ||
| 127 | + } | ||
| 128 | + } | ||
| 129 | + | ||
| 130 | + /** | ||
| 131 | + * 生成键名 | ||
| 132 | + * | ||
| 133 | + * @param string $key 键名 | ||
| 134 | + * @param string $prefix 前缀标识 | ||
| 135 | + * @return string | ||
| 136 | + */ | ||
| 137 | + public static function makeKey($key, $prefix) | ||
| 138 | + { | ||
| 139 | + return md5($prefix . '_' . $key); | ||
| 140 | + } | ||
| 141 | + | ||
| 142 | + /** | ||
| 143 | + * 累加 | ||
| 144 | + * | ||
| 145 | + * @param string $key | ||
| 146 | + * @param int $offset | ||
| 147 | + * @param int $initialValue | ||
| 148 | + * @param int $expiry | ||
| 149 | + * @return boolean | ||
| 150 | + */ | ||
| 151 | + public static function increment($key, $offset = 1, $initialValue = 0, $expiry = 0) | ||
| 152 | + { | ||
| 153 | + return HoodCache::Memcached('master')->increment(self::makeKey($key, 'master'), $offset, $initialValue, $expiry); | ||
| 154 | + } | ||
| 155 | + | ||
| 156 | + /** | ||
| 157 | + * 递减 | ||
| 158 | + * | ||
| 159 | + * @param string $key | ||
| 160 | + * @param int $offset | ||
| 161 | + * @return boolean | ||
| 162 | + */ | ||
| 163 | + public static function decrement($key, $offset = 1) | ||
| 164 | + { | ||
| 165 | + return HoodCache::Memcached('master')->decrement(self::makeKey($key, 'master'), $offset); | ||
| 166 | + } | ||
| 167 | + | ||
| 168 | +} |
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