golang redis的模式订阅

c := redisPool.Get()
psc := redis.PubSubConn{c}
psc.PSubscribe("aa*")
for {
switch v := psc.Receive().(type) {
case redis.Subscription:
fmt.Printf("%s: %s %d\n", v.Channel, v.Kind, v.Count)
case redis.Message://单个订阅subscribe
fmt.Printf("%s: message: %s\n", v.Channel, v.Data)
case redis.PMessage://模式订阅psubscribe
fmt.Printf("PMessage: %s %s %s\n", v.Pattern, v.Channel, v.Data)
case error:
return

}

}