package main import ( "log" "github.com/coreos/go-etcd/etcd" ) func main() { client := etcd.NewClient( []string{ "http://127.0.0.1:2379",},) for { resp,err := client.Get("config",false,false) if err != nil { log.Fatal(err) } log.Printf("Current creds: %s: %s\n",resp.Node.Key,resp.Node.Value) receiver := make(chan *etcd.Response) go client.Watch("/config",receiver,nil) r := <-receiver log.Printf("Got updated creds: %s: %s\n",r.Node.Key,r.Node.Value) } } 原文链接：https://www.f2er.com/go/189357.html