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This commit is contained in:
molong
2016-08-19 11:53:45 +08:00
parent 63f95a8ee9
commit 707ebdf51d
20 changed files with 505 additions and 154 deletions
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159
core/library/think/cache/Driver.php vendored Normal file
View File

@@ -0,0 +1,159 @@
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think\cache;
/**
* 缓存基础类
*/
abstract class Driver
{
protected $options = [];
protected $tag;
/**
* 判断缓存是否存在
* @access public
* @param string $name 缓存变量名
* @return bool
*/
abstract public function has($name);
/**
* 读取缓存
* @access public
* @param string $name 缓存变量名
* @param mixed $default 默认值
* @return mixed
*/
abstract public function get($name, $default = false);
/**
* 写入缓存
* @access public
* @param string $name 缓存变量名
* @param mixed $value 存储数据
* @param int $expire 有效时间 0为永久
* @return boolean
*/
abstract public function set($name, $value, $expire = null);
/**
* 自增缓存（针对数值缓存）
* @access public
* @param string $name 缓存变量名
* @param int $step 步长
* @return false|int
*/
abstract public function inc($name, $step = 1);
/**
* 自减缓存（针对数值缓存）
* @access public
* @param string $name 缓存变量名
* @param int $step 步长
* @return false|int
*/
abstract public function dec($name, $step = 1);
/**
* 删除缓存
* @access public
* @param string $name 缓存变量名
* @return boolean
*/
abstract public function rm($name);
/**
* 清除缓存
* @access public
* @param string $tag 标签名
* @return boolean
*/
abstract public function clear($tag = null);
/**
* 获取实际的缓存标识
* @access public
* @param string $name 缓存名
* @return string
*/
protected function getCacheKey($name)
{
return $this->options['prefix'] . $name;
}
/**
* 缓存标签
* @access public
* @param string $name 标签名
* @param string|array $keys 缓存标识
* @param bool $overlay 是否覆盖
* @return $this
*/
public function tag($name, $keys = null, $overlay = false)
{
if (is_null($keys)) {
$this->tag = $name;
} else {
$key = 'tag_' . md5($name);
if (is_string($keys)) {
$keys = explode(',', $keys);
}
$keys = array_map([$this, 'getCacheKey'], $keys);
if ($overlay) {
$value = $keys;
} else {
$value = array_unique(array_merge($this->getTagItem($name), $keys));
}
$this->set($key, implode(',', $value));
}
return $this;
}
/**
* 更新标签
* @access public
* @param string $name 缓存标识
* @return void
*/
protected function setTagItem($name)
{
if ($this->tag) {
$key = 'tag_' . md5($this->tag);
$this->tag = null;
if ($this->has($key)) {
$value = $this->get($key);
$value .= ',' . $name;
} else {
$value = $name;
}
$this->set($key, $value);
}
}
/**
* 获取标签包含的缓存标识
* @access public
* @param string $tag 缓存标签
* @return array
*/
protected function getTagItem($tag)
{
$key = 'tag_' . md5($tag);
$value = $this->get($key);
if ($value) {
return explode(',', $value);
} else {
return [];
}
}
}

37
core/library/think/cache/driver/File.php vendored
View File

@@ -11,11 +11,13 @@
namespace think\cache\driver;
use think\cache\Driver;
/**
* 文件类型缓存类
* @author liu21st <liu21st@gmail.com>
*/
class File
class File extends Driver
{
protected $options = [
'expire' => 0,
@@ -58,16 +60,16 @@ class File
/**
* 取得变量的存储文件名
* @access private
* @access protected
* @param string $name 缓存变量名
* @return string
*/
private function filename($name)
protected function getCacheKey($name)
{
$name = md5($name);
if ($this->options['cache_subdir']) {
// 使用子目录
$name = substr($md5, 0, 2) . DS . substr($md5, 2);
$name = substr($name, 0, 2) . DS . substr($name, 2);
}
if ($this->options['prefix']) {
$name = $this->options['prefix'] . DS . $name;
@@ -88,7 +90,7 @@ class File
*/
public function has($name)
{
$filename = $this->filename($name);
$filename = $this->getCacheKey($name);
return is_file($filename);
}
@@ -101,7 +103,7 @@ class File
*/
public function get($name, $default = false)
{
$filename = $this->filename($name);
$filename = $this->getCacheKey($name);
if (!is_file($filename)) {
return $default;
}
@@ -138,8 +140,11 @@ class File
if (is_null($expire)) {
$expire = $this->options['expire'];
}
$filename = $this->filename($name);
$data = serialize($value);
$filename = $this->getCacheKey($name);
if ($this->tag && !is_file($filename)) {
$first = true;
}
$data = serialize($value);
if ($this->options['data_compress'] && function_exists('gzcompress')) {
//数据压缩
$data = gzcompress($data, 3);
@@ -147,6 +152,7 @@ class File
$data = "<?php\n//" . sprintf('%012d', $expire) . $data . "\n?>";
$result = file_put_contents($filename, $data);
if ($result) {
isset($first) && $this->setTagItem($filename);
clearstatcache();
return true;
} else {
@@ -196,16 +202,26 @@ class File
*/
public function rm($name)
{
return $this->unlink($this->filename($name));
return $this->unlink($this->getCacheKey($name));
}
/**
* 清除缓存
* @access public
* @param string $tag 标签名
* @return boolean
*/
public function clear()
public function clear($tag = null)
{
if ($tag) {
// 指定标签清除
$keys = $this->getTagItem($tag);
foreach ($keys as $key) {
$this->unlink($key);
}
$this->rm('tag_' . md5($tag));
return true;
}
$fileLsit = (array) glob($this->options['path'] . '*');
foreach ($fileLsit as $path) {
is_file($path) && unlink($path);
@@ -224,4 +240,5 @@ class File
{
return is_file($path) && unlink($path);
}
}

38
core/library/think/cache/driver/Lite.php vendored
View File

@@ -11,11 +11,13 @@
namespace think\cache\driver;
use think\cache\Driver;
/**
* 文件类型缓存类
* @author liu21st <liu21st@gmail.com>
*/
class Lite
class Lite extends Driver
{
protected $options = [
'prefix' => '',
@@ -42,11 +44,11 @@ class Lite
/**
* 取得变量的存储文件名
* @access private
* @access protected
* @param string $name 缓存变量名
* @return string
*/
private function filename($name)
protected function getCacheKey($name)
{
return $this->options['path'] . $this->options['prefix'] . md5($name) . '.php';
}
@@ -59,7 +61,7 @@ class Lite
*/
public function has($name)
{
$filename = $this->filename($name);
$filename = $this->getCacheKey($name);
return is_file($filename);
}
@@ -72,7 +74,7 @@ class Lite
*/
public function get($name, $default = false)
{
$filename = $this->filename($name);
$filename = $this->getCacheKey($name);
if (is_file($filename)) {
// 判断是否过期
$mtime = filemtime($filename);
@@ -104,10 +106,14 @@ class Lite
if (0 === $expire) {
$expire = 10 * 365 * 24 * 3600;
}
$filename = $this->filename($name);
$ret = file_put_contents($filename, ("<?php return " . var_export($value, true) . ";"));
$filename = $this->getCacheKey($name);
if ($this->tag && !is_file($filename)) {
$first = true;
}
$ret = file_put_contents($filename, ("<?php return " . var_export($value, true) . ";"));
// 通过设置修改时间实现有效期
if ($ret) {
isset($first) && $this->setTagItem($filename);
touch($filename, $_SERVER['REQUEST_TIME'] + $expire);
}
return $ret;
@@ -155,18 +161,26 @@ class Lite
*/
public function rm($name)
{
return unlink($this->filename($name));
return unlink($this->getCacheKey($name));
}
/**
* 清除缓存
* @access public
* @param string $tag 标签名
* @return bool
* @internal param string $name 缓存变量名
*/
public function clear()
public function clear($tag = null)
{
$filename = $this->filename('*');
array_map("unlink", glob($filename));
if ($tag) {
// 指定标签清除
$keys = $this->getTagItem($tag);
foreach ($keys as $key) {
unlink($key);
}
$this->rm('tag_' . md5($tag));
return true;
}
array_map("unlink", glob($this->options['path'] . $this->options['prefix'] . '*.php'));
}
}

45
core/library/think/cache/driver/Memcache.php vendored
View File

@@ -11,9 +11,10 @@
namespace think\cache\driver;
use think\cache\Driver;
use think\Exception;
class Memcache
class Memcache extends Driver
{
protected $handler = null;
protected $options = [
@@ -63,8 +64,8 @@ class Memcache
*/
public function has($name)
{
$name = $this->options['prefix'] . $name;
return $this->handler->get($name) ? true : false;
$key = $this->getCacheKey($name);
return $this->handler->get($key) ? true : false;
}
/**
@@ -76,7 +77,7 @@ class Memcache
*/
public function get($name, $default = false)
{
$result = $this->handler->get($this->options['prefix'] . $name);
$result = $this->handler->get($this->getCacheKey($name));
return false !== $result ? $result : $default;
}
@@ -93,8 +94,12 @@ class Memcache
if (is_null($expire)) {
$expire = $this->options['expire'];
}
$name = $this->options['prefix'] . $name;
if ($this->handler->set($name, $value, 0, $expire)) {
if ($this->tag && !$this->has($name)) {
$first = true;
}
$key = $this->getCacheKey($name);
if ($this->handler->set($key, $value, 0, $expire)) {
isset($first) && $this->setTagItem($key);
return true;
}
return false;
@@ -109,8 +114,8 @@ class Memcache
*/
public function inc($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
return $this->handler->increment($name, $step);
$key = $this->getCacheKey($name);
return $this->handler->increment($key, $step);
}
/**
@@ -122,9 +127,9 @@ class Memcache
*/
public function dec($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
$value = $this->handler->get($name) - $step;
$res = $this->handler->set($name, $value);
$key = $this->getCacheKey($name);
$value = $this->handler->get($key) - $step;
$res = $this->handler->set($key, $value);
if (!$res) {
return false;
} else {
@@ -140,19 +145,29 @@ class Memcache
*/
public function rm($name, $ttl = false)
{
$name = $this->options['prefix'] . $name;
$key = $this->getCacheKey($name);
return false === $ttl ?
$this->handler->delete($name) :
$this->handler->delete($name, $ttl);
$this->handler->delete($key) :
$this->handler->delete($key, $ttl);
}
/**
* 清除缓存
* @access public
* @param string $tag 标签名
* @return bool
*/
public function clear()
public function clear($tag = null)
{
if ($tag) {
// 指定标签清除
$keys = $this->getTagItem($tag);
foreach ($keys as $key) {
$this->handler->delete($key);
}
$this->rm('tag_' . md5($tag));
return true;
}
return $this->handler->flush();
}
}

44
core/library/think/cache/driver/Memcached.php vendored
View File

@@ -11,7 +11,9 @@
namespace think\cache\driver;
class Memcached
use think\cache\Driver;
class Memcached extends Driver
{
protected $handler;
protected $options = [
@@ -68,8 +70,8 @@ class Memcached
*/
public function has($name)
{
$name = $this->options['prefix'] . $name;
return $this->handler->get($name) ? true : false;
$key = $this->getCacheKey($name);
return $this->handler->get($key) ? true : false;
}
/**
@@ -81,7 +83,7 @@ class Memcached
*/
public function get($name, $default = false)
{
$result = $this->handler->get($this->options['prefix'] . $name);
$result = $this->handler->get($this->getCacheKey($name));
return false !== $result ? $result : $default;
}
@@ -98,9 +100,13 @@ class Memcached
if (is_null($expire)) {
$expire = $this->options['expire'];
}
$name = $this->options['prefix'] . $name;
if ($this->tag && !$this->has($name)) {
$first = true;
}
$key = $this->getCacheKey($name);
$expire = 0 == $expire ? 0 : $_SERVER['REQUEST_TIME'] + $expire;
if ($this->handler->set($name, $value, $expire)) {
if ($this->handler->set($key, $value, $expire)) {
isset($first) && $this->setTagItem($key);
return true;
}
return false;
@@ -115,8 +121,8 @@ class Memcached
*/
public function inc($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
return $this->handler->increment($name, $step);
$key = $this->getCacheKey($name);
return $this->handler->increment($key, $step);
}
/**
@@ -128,9 +134,9 @@ class Memcached
*/
public function dec($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
$value = $this->handler->get($name) - $step;
$res = $this->handler->set($name, $value);
$key = $this->getCacheKey($name);
$value = $this->handler->get($key) - $step;
$res = $this->handler->set($key, $value);
if (!$res) {
return false;
} else {
@@ -146,19 +152,27 @@ class Memcached
*/
public function rm($name, $ttl = false)
{
$name = $this->options['prefix'] . $name;
$key = $this->getCacheKey($name);
return false === $ttl ?
$this->handler->delete($name) :
$this->handler->delete($name, $ttl);
$this->handler->delete($key) :
$this->handler->delete($key, $ttl);
}
/**
* 清除缓存
* @access public
* @param string $tag 标签名
* @return bool
*/
public function clear()
public function clear($tag = null)
{
if ($tag) {
// 指定标签清除
$keys = $this->getTagItem($tag);
$this->handler->deleteMulti($keys);
$this->rm('tag_' . md5($tag));
return true;
}
return $this->handler->flush();
}
}

40
core/library/think/cache/driver/Redis.php vendored
View File

@@ -11,6 +11,8 @@
namespace think\cache\driver;
use think\cache\Driver;
/**
* Redis缓存驱动，适合单机部署、有前端代理实现高可用的场景，性能最好
* 有需要在业务层实现读写分离、或者使用RedisCluster的需求，请使用Redisd驱动
@@ -18,7 +20,7 @@ namespace think\cache\driver;
* 要求安装phpredis扩展：https://github.com/nicolasff/phpredis
* @author 尘缘 <130775@qq.com>
*/
class Redis
class Redis extends Driver
{
protected $handler = null;
protected $options = [
@@ -61,7 +63,7 @@ class Redis
*/
public function has($name)
{
return $this->handler->get($this->options['prefix'] . $name) ? true : false;
return $this->handler->get($this->getCacheKey($name)) ? true : false;
}
/**
@@ -73,7 +75,7 @@ class Redis
*/
public function get($name, $default = false)
{
$value = $this->handler->get($this->options['prefix'] . $name);
$value = $this->handler->get($this->getCacheKey($name));
if (is_null($value)) {
return $default;
}
@@ -95,14 +97,18 @@ class Redis
if (is_null($expire)) {
$expire = $this->options['expire'];
}
$name = $this->options['prefix'] . $name;
if ($this->tag && !$this->has($name)) {
$first = true;
}
$key = $this->getCacheKey($name);
//对数组/对象数据进行缓存处理，保证数据完整性 byron sampson<xiaobo.sun@qq.com>
$value = (is_object($value) || is_array($value)) ? json_encode($value) : $value;
if (is_int($expire) && $expire) {
$result = $this->handler->setex($name, $expire, $value);
$result = $this->handler->setex($key, $expire, $value);
} else {
$result = $this->handler->set($name, $value);
$result = $this->handler->set($key, $value);
}
isset($first) && $this->setTagItem($key);
return $result;
}
@@ -115,8 +121,8 @@ class Redis
*/
public function inc($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
return $this->handler->incrby($name, $step);
$key = $this->getCacheKey($name);
return $this->handler->incrby($key, $step);
}
/**
@@ -128,8 +134,8 @@ class Redis
*/
public function dec($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
return $this->handler->decrby($name, $step);
$key = $this->getCacheKey($name);
return $this->handler->decrby($key, $step);
}
/**
@@ -140,16 +146,26 @@ class Redis
*/
public function rm($name)
{
return $this->handler->delete($this->options['prefix'] . $name);
return $this->handler->delete($this->getCacheKey($name));
}
/**
* 清除缓存
* @access public
* @param string $tag 标签名
* @return boolean
*/
public function clear()
public function clear($tag = null)
{
if ($tag) {
// 指定标签清除
$keys = $this->getTagItem($tag);
foreach ($keys as $key) {
$this->handler->delete($key);
}
$this->rm('tag_' . md5($tag));
return true;
}
return $this->handler->flushDB();
}

41
core/library/think/cache/driver/Sqlite.php vendored
View File

@@ -11,13 +11,14 @@
namespace think\cache\driver;
use think\cache\Driver;
use think\Exception;
/**
* Sqlite缓存驱动
* @author liu21st <liu21st@gmail.com>
*/
class Sqlite
class Sqlite extends Driver
{
protected $options = [
@@ -46,6 +47,17 @@ class Sqlite
$this->handler = $func($this->options['db']);
}
/**
* 获取实际的缓存标识
* @access public
* @param string $name 缓存名
* @return string
*/
protected function getCacheKey($name)
{
return $this->options['prefix'] . sqlite_escape_string($name);
}
/**
* 判断缓存
* @access public
@@ -54,7 +66,7 @@ class Sqlite
*/
public function has($name)
{
$name = $this->options['prefix'] . sqlite_escape_string($name);
$name = $this->getCacheKey($name);
$sql = 'SELECT value FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\' AND (expire=0 OR expire >' . $_SERVER['REQUEST_TIME'] . ') LIMIT 1';
$result = sqlite_query($this->handler, $sql);
return sqlite_num_rows($result);
@@ -69,7 +81,7 @@ class Sqlite
*/
public function get($name, $default = false)
{
$name = $this->options['prefix'] . sqlite_escape_string($name);
$name = $this->getCacheKey($name);
$sql = 'SELECT value FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\' AND (expire=0 OR expire >' . $_SERVER['REQUEST_TIME'] . ') LIMIT 1';
$result = sqlite_query($this->handler, $sql);
if (sqlite_num_rows($result)) {
@@ -93,7 +105,7 @@ class Sqlite
*/
public function set($name, $value, $expire = null)
{
$name = $this->options['prefix'] . sqlite_escape_string($name);
$name = $this->getCacheKey($name);
$value = sqlite_escape_string(serialize($value));
if (is_null($expire)) {
$expire = $this->options['expire'];
@@ -103,7 +115,13 @@ class Sqlite
//数据压缩
$value = gzcompress($value, 3);
}
$sql = 'REPLACE INTO ' . $this->options['table'] . ' (var, value,expire) VALUES (\'' . $name . '\', \'' . $value . '\', \'' . $expire . '\')';
if ($this->tag) {
$tag = $this->tag;
$this->tag = null;
} else {
$tag = '';
}
$sql = 'REPLACE INTO ' . $this->options['table'] . ' (var, value, expire, tag) VALUES (\'' . $name . '\', \'' . $value . '\', \'' . $expire . '\', \'' . $tag . '\')';
if (sqlite_query($this->handler, $sql)) {
return true;
}
@@ -152,7 +170,7 @@ class Sqlite
*/
public function rm($name)
{
$name = $this->options['prefix'] . sqlite_escape_string($name);
$name = $this->getCacheKey($name);
$sql = 'DELETE FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\'';
sqlite_query($this->handler, $sql);
return true;
@@ -161,12 +179,19 @@ class Sqlite
/**
* 清除缓存
* @access public
* @param string $tag 标签名
* @return boolean
*/
public function clear()
public function clear($tag = null)
{
if ($tag) {
$name = sqlite_escape_string($tag);
$sql = 'DELETE FROM ' . $this->options['table'] . ' WHERE tag=\'' . $name . '\'';
sqlite_query($this->handler, $sql);
return true;
}
$sql = 'DELETE FROM ' . $this->options['table'];
sqlite_query($this->handler, $sql);
return;
return true;
}
}

46
core/library/think/cache/driver/Wincache.php vendored
View File

@@ -11,19 +11,22 @@
namespace think\cache\driver;
use think\cache\Driver;
use think\Exception;
/**
* Wincache缓存驱动
* @author liu21st <liu21st@gmail.com>
*/
class Wincache
class Wincache extends Driver
{
protected $options = [
'prefix' => '',
'expire' => 0,
];
protected $tag;
/**
* 架构函数
* @param array $options 缓存参数
@@ -48,8 +51,8 @@ class Wincache
*/
public function has($name)
{
$name = $this->options['prefix'] . $name;
return wincache_ucache_exists($name);
$key = $this->getCacheKey($name);
return wincache_ucache_exists($key);
}
/**
@@ -61,8 +64,8 @@ class Wincache
*/
public function get($name, $default = false)
{
$name = $this->options['prefix'] . $name;
return wincache_ucache_exists($name) ? wincache_ucache_get($name) : $default;
$key = $this->getCacheKey($name);
return wincache_ucache_exists($key) ? wincache_ucache_get($key) : $default;
}
/**
@@ -78,8 +81,12 @@ class Wincache
if (is_null($expire)) {
$expire = $this->options['expire'];
}
$name = $this->options['prefix'] . $name;
if (wincache_ucache_set($name, $value, $expire)) {
$key = $this->getCacheKey($name);
if ($this->tag && !$this->has($name)) {
$first = true;
}
if (wincache_ucache_set($key, $value, $expire)) {
isset($first) && $this->setTagItem($key);
return true;
}
return false;
@@ -94,8 +101,8 @@ class Wincache
*/
public function inc($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
return wincache_ucache_inc($name, $step);
$key = $this->getCacheKey($name);
return wincache_ucache_inc($key, $step);
}
/**
@@ -107,8 +114,8 @@ class Wincache
*/
public function dec($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
return wincache_ucache_dec($name, $step);
$key = $this->getCacheKey($name);
return wincache_ucache_dec($key, $step);
}
/**
@@ -119,16 +126,27 @@ class Wincache
*/
public function rm($name)
{
return wincache_ucache_delete($this->options['prefix'] . $name);
return wincache_ucache_delete($this->getCacheKey($name));
}
/**
* 清除缓存
* @access public
* @param string $tag 标签名
* @return boolean
*/
public function clear()
public function clear($tag = null)
{
return;
if ($tag) {
$keys = $this->getTagItem($tag);
foreach ($keys as $key) {
wincache_ucache_delete($key);
}
$this->rm('tag_' . md5($tag));
return true;
} else {
return wincache_ucache_clear();
}
}
}

41
core/library/think/cache/driver/Xcache.php vendored
View File

@@ -11,13 +11,14 @@
namespace think\cache\driver;
use think\cache\Driver;
use think\Exception;
/**
* Xcache缓存驱动
* @author liu21st <liu21st@gmail.com>
*/
class Xcache
class Xcache extends Driver
{
protected $options = [
'prefix' => '',
@@ -48,8 +49,8 @@ class Xcache
*/
public function has($name)
{
$name = $this->options['prefix'] . $name;
return xcache_isset($name);
$key = $this->getCacheKey($name);
return xcache_isset($key);
}
/**
@@ -61,8 +62,8 @@ class Xcache
*/
public function get($name, $default = false)
{
$name = $this->options['prefix'] . $name;
return xcache_isset($name) ? xcache_get($name) : $default;
$key = $this->getCacheKey($name);
return xcache_isset($key) ? xcache_get($key) : $default;
}
/**
@@ -78,8 +79,12 @@ class Xcache
if (is_null($expire)) {
$expire = $this->options['expire'];
}
$name = $this->options['prefix'] . $name;
if (xcache_set($name, $value, $expire)) {
if ($this->tag && !$this->has($name)) {
$first = true;
}
$key = $this->getCacheKey($name);
if (xcache_set($key, $value, $expire)) {
isset($first) && $this->setTagItem($key);
return true;
}
return false;
@@ -94,8 +99,8 @@ class Xcache
*/
public function inc($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
return xcache_inc($name, $step);
$key = $this->getCacheKey($name);
return xcache_inc($key, $step);
}
/**
@@ -107,8 +112,8 @@ class Xcache
*/
public function dec($name, $step = 1)
{
$name = $this->options['prefix'] . $name;
return xcache_dec($name, $step);
$key = $this->getCacheKey($name);
return xcache_dec($key, $step);
}
/**
@@ -119,16 +124,26 @@ class Xcache
*/
public function rm($name)
{
return xcache_unset($this->options['prefix'] . $name);
return xcache_unset($this->getCacheKey($name));
}
/**
* 清除缓存
* @access public
* @param string $tag 标签名
* @return boolean
*/
public function clear()
public function clear($tag = null)
{
if ($tag) {
// 指定标签清除
$keys = $this->getTagItem($tag);
foreach ($keys as $key) {
xcache_unset($key);
}
$this->rm('tag_' . md5($tag));
return true;
}
if (function_exists('xcache_unset_by_prefix')) {
return xcache_unset_by_prefix($this->options['prefix']);
} else {