4.3.10 Cache类
connect():实例化缓存驱动
getInstance():取得实例
set():保存缓存
get():读取缓存
rm():删除缓存
inc():递增操作
dec():递减操作
Cache类使用示例:
//创建缓存对象(这里以memcache为例)
$obj_cache = Cache::getInstance('memcache');
//写入缓存,缓存周期为1小时
$obj_cache->set('uid_100','这里是缓存内容', null, 3600);
//读取缓存内容
$value = $obj_cache->get('uid_100');
//删除缓存内容
$obj_cache->rm('uid_100');
//清空所有缓存内容
$obj_cache->clear();
//写入100
$obj_cache->set('uid_100',100, null, 3600);
//增加50
$obj_cache->inc('uid_100',50);
echo $obj_cache->get('uid_100');//输出150
//减少50
$obj_cache->dec('uid_100',50);
echo $obj_cache->get('uid_100');//输出100
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