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内核更新

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molong
2016-07-29 13:48:52 +08:00
parent 75125bb298
commit 9da53fc969
27 changed files with 770 additions and 530 deletions
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56
core/library/think/cache/driver/Sqlite.php vendored
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@@ -11,7 +11,6 @@
namespace think\cache\driver;
use think\Cache;
use think\Exception;
/**
@@ -47,13 +46,28 @@ class Sqlite
$this->handler = $func($this->options['db']);
}
/**
* 判断缓存
* @access public
* @param string $name 缓存变量名
* @return bool
*/
public function has($name)
{
$name = $this->options['prefix'] . sqlite_escape_string($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);
}
/**
* 读取缓存
* @access public
* @param string $name 缓存变量名
* @param mixed $default 默认值
* @return mixed
*/
public function get($name)
public function get($name, $default = false)
{
$name = $this->options['prefix'] . sqlite_escape_string($name);
$sql = 'SELECT value FROM ' . $this->options['table'] . ' WHERE var=\'' . $name . '\' AND (expire=0 OR expire >' . $_SERVER['REQUEST_TIME'] . ') LIMIT 1';
@@ -66,7 +80,7 @@ class Sqlite
}
return unserialize($content);
}
return false;
return $default;
}
/**
@@ -96,6 +110,42 @@ class Sqlite
return false;
}
/**
* 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
* @param int $expire 有效时间 0为永久
* @return false|int
*/
public function inc($name, $step = 1, $expire = null)
{
if ($this->has($name)) {
$value = $this->get($name) + $step;
} else {
$value = $step;
}
return $this->set($name, $value, $expire) ? $value : false;
}
/**
* 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
* @param int $expire 有效时间 0为永久
* @return false|int
*/
public function dec($name, $step = 1, $expire = null)
{
if ($this->has($name)) {
$value = $this->get($name) - $step;
} else {
$value = $step;
}
return $this->set($name, $value, $expire) ? $value : false;
}
/**
* 删除缓存
* @access public