From 0f10aa45088f09631657ae4e323fe14e2a982e5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A4=9A=E5=90=83=E7=82=B9=E8=8B=B9=E6=9E=9C?=
 <73388495+eatmoreapple@users.noreply.github.com>
Date: Fri, 13 Jan 2023 12:34:20 +0800
Subject: [PATCH] =?UTF-8?q?[feat]:=20=E6=B7=BB=E5=8A=A0=E8=81=94=E7=B3=BB?=
 =?UTF-8?q?=E4=BA=BA=E5=8E=BB=E9=87=8D=E5=92=8C=E6=8E=92=E5=BA=8F=20(#201)?=
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---
 relations.go | 31 +++++++++++++++++++++++++++++++
 user.go      |  3 +++
 2 files changed, 34 insertions(+)

diff --git a/relations.go b/relations.go
index a8cb9c1..5bbd6fa 100644
--- a/relations.go
+++ b/relations.go
@@ -103,6 +103,16 @@ func (f Friends) AsMembers() Members {
 	return members
 }
 
+// Sort 对好友进行排序
+func (f Friends) Sort() Friends {
+	return f.AsMembers().Sort().Friends()
+}
+
+// Uniq 对好友进行去重
+func (f Friends) Uniq() Friends {
+	return f.AsMembers().Uniq().Friends()
+}
+
 // SendText 向slice的好友依次发送文本消息
 func (f Friends) SendText(text string, delays ...time.Duration) error {
 	if f.Count() == 0 {
@@ -180,6 +190,7 @@ func (g *Group) Members() (Members, error) {
 
 // AddFriendsIn 拉好友入群
 func (g *Group) AddFriendsIn(friends ...*Friend) error {
+	friends = Friends(friends).Uniq()
 	return g.self.AddFriendsIntoGroup(g, friends...)
 }
 
@@ -316,6 +327,16 @@ func (g Groups) AsMembers() Members {
 	return members
 }
 
+// Sort 对群组进行排序
+func (g Groups) Sort() Groups {
+	return g.AsMembers().Sort().Groups()
+}
+
+// Uniq 对群组进行去重
+func (g Groups) Uniq() Groups {
+	return g.AsMembers().Uniq().Groups()
+}
+
 // Mp 公众号对象
 type Mp struct{ *User }
 
@@ -369,6 +390,16 @@ func (m Mps) AsMembers() Members {
 	return members
 }
 
+// Sort 对公众号进行排序
+func (m Mps) Sort() Mps {
+	return m.AsMembers().Sort().MPs()
+}
+
+// Uniq 对公众号进行去重
+func (m Mps) Uniq() Mps {
+	return m.AsMembers().Uniq().MPs()
+}
+
 // SearchByUserName 根据用户名查找
 func (m Mps) SearchByUserName(limit int, userName string) (results Mps) {
 	return m.Search(limit, func(group *Mp) bool { return group.UserName == userName })
diff --git a/user.go b/user.go
index de526e0..6d4cc41 100644
--- a/user.go
+++ b/user.go
@@ -394,6 +394,7 @@ func (s *Self) SetRemarkNameToFriend(friend *Friend, remarkName string) error {
 // topic 群昵称,可以传递字符串
 // friends 群员,最少为2个，加上自己3个,三人才能成群
 func (s *Self) CreateGroup(topic string, friends ...*Friend) (*Group, error) {
+	friends = Friends(friends).Uniq()
 	if len(friends) < 2 {
 		return nil, errors.New("a group must be at least 2 members")
 	}
@@ -414,6 +415,7 @@ func (s *Self) AddFriendsIntoGroup(group *Group, friends ...*Friend) error {
 	if len(friends) == 0 {
 		return nil
 	}
+	friends = Friends(friends).Uniq()
 	// 获取群的所有的群员
 	groupMembers, err := group.Members()
 	if err != nil {
@@ -466,6 +468,7 @@ func (s *Self) RemoveMemberFromGroup(group *Group, members Members) error {
 // AddFriendIntoManyGroups 拉好友进多个群聊
 // AddFriendIntoGroups, 名字和上面的有点像
 func (s *Self) AddFriendIntoManyGroups(friend *Friend, groups ...*Group) error {
+	groups = Groups(groups).Uniq()
 	for _, group := range groups {
 		if err := s.AddFriendsIntoGroup(group, friend); err != nil {
 			return err