From 628eac60b4c295da56c65a9542901d715a892461 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=99=BD=E8=8C=B6=E6=B8=85=E6=AC=A2?=
 <go_developer@163.com>
Date: Fri, 26 Nov 2021 14:31:25 +0800
Subject: [PATCH] add watch key with prefix

---
 middleware/etcd/watch.go | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/middleware/etcd/watch.go b/middleware/etcd/watch.go
index 9340e75..e080d55 100644
--- a/middleware/etcd/watch.go
+++ b/middleware/etcd/watch.go
@@ -11,14 +11,16 @@ import (
 	"context"
 	"math"
 	"time"
+
+	"go.etcd.io/etcd/clientv3"
 )
 
-// WatchKey 监听key的变化,永久监听
+// WatchKeyWithOption ...
 //
 // Author : go_developer@163.com<白茶清欢>
 //
-// Date : 2:58 下午 2021/11/23
-func WatchKey(ctx context.Context, watchKey string, callbackFunc WatcherHandler) {
+// Date : 2:29 下午 2021/11/26
+func WatchKeyWithOption(ctx context.Context, watchKey string, callbackFunc WatcherHandler, optionList ...clientv3.OpOption) {
 	if nil == callbackFunc {
 		// 变化之后,没有任何逻辑处理,视为不需要监听变化
 		return
@@ -35,6 +37,24 @@ func WatchKey(ctx context.Context, watchKey string, callbackFunc WatcherHandler)
 	}
 }
 
+// WatchKey 监听key的变化,永久监听
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2:58 下午 2021/11/23
+func WatchKey(ctx context.Context, watchKey string, callbackFunc WatcherHandler) {
+	WatchKeyWithOption(ctx, watchKey, callbackFunc)
+}
+
+// WatchWithKeyPrefix ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2:30 下午 2021/11/26
+func WatchWithKeyPrefix(ctx context.Context, watchKey string, callbackFunc WatcherHandler) {
+	WatchKeyWithOption(ctx, watchKey, callbackFunc, clientv3.WithPrefix())
+}
+
 // WatchKeyWithCancel 可以随时取消的
 //
 // Author : go_developer@163.com<白茶清欢>