```
//從連接池獲取
$redis = CoRedis::getInstance()->init('master', 'pool');
//直接連接server
$redis = CoRedis::getInstance()->init('master', 'client');
//從連接池獲取
$redis = CoRedis::getInstance()->init('slave', 'pool');
//直接連接server
$redis = CoRedis::getInstance()->init('slave', 'client');
```
