Redis

Redis

初始化
```
 $redis = new Redis(); 
```
连接
```
 $redis->connect('127.0.0.1', 6379, 5);
```
存在
```
 $redis->hExists( $hash, $key ); 
```
获取
```
 $redis->hGet( $hash, $key ); 
```
设置
```
 $redis->hSet( $hash, $key, 1 ); 
```
删除
```
 $redis->hDel( $hash ); 
```