1.运行环境

• python 3+ 下载地址
• 需要安装itchat
  pip install itchat

2.功能设计

• 查看群id
• 查看指定id群的好友
• 向指定群中所有自己的好友发送信息

3.使用方法

• 把代码复制粘贴,保存为 wxhelper.py
• 在当前文件目录打开cmd指令窗口输入(windows系统)
  python wxhelper.py
• 扫码登陆
• 手机端向文件助手发送以下指令

群好友助手指令：1.[SendMode]:查看群id2.[SendMode id]:查看指定id群的好友人数3.[SendMode 参数0(群id) text 参数a(标题) 参数b(内容)]4.[update] or 4:更新数据5.[help]:帮助信息\n【注意:参数间只能有一个空格】

预览效果

4.完整代码

#coding:utf-8import itchatimport timefrom itchat.content import TEXTitchat.auto_login(hotReload=True)dict={}#返回最新的新字典数据def updateRooms():    rooms=itchat.get_chatrooms(update=True)[0:]    my_rdict={}    for i,room in  zip(range(0,len(rooms)),rooms[0:]):        my_rdict[i]={'roomname':room['UserName'],'nickname':room['NickName']}        if my_rdict[i]['nickname']=='':            my_rdict[i]['nickname']=('群聊(%d)'%i)    return my_rdict#获取指定群聊的好友成员信息  def get_friendsInfo_in_room(chatRoomName,memberlist):    friendInRoom='%s(%d人)\n'%(chatRoomName,len(memberlist['MemberList']))    count=0    for user in memberlist['MemberList']:        if (user['ContactFlag']!=0):            count+=1            print("nickname:%s DisplayName:%s"%(user['NickName'],user['DisplayName']))            friendInRoom+="[好友%d]nickname:%s DisplayName:%s 备注:%s\n\n"%(count,user['NickName'],user['DisplayName'],user['RemarkName'])    friendInRoom+='该群共有%d好友'%(count)    return friendInRoom#获取好友信息def get_friendsInfo(memberlist):    for user in memberlist['MemberList']:            print("nickname:%s DisplayName:%s"%(user['NickName'],user['DisplayName']))            friendInRoom+="[好友%d]nickname:%s DisplayName:%s 备注:%s\n\n"%(count,user['NickName'],user['DisplayName'],user['RemarkName'])    friendInRoom+='该群共有%d好友'%(len(memberlist))#向特定的群好友发定制的信息              def send_msg_to_room_friends(title,message,toFriendsList):    sendmsg=title+':\n'+message+'\n'+time.asctime(time.localtime(time.time()))    print(sendmsg)    for user in toFriendsList['MemberList']:         if (user['ContactFlag']!=0):             print("sendto=nickname:%s DisplayName:%s"%(user['NickName'],user['DisplayName' ]))             itchat.send(sendmsg,toUserName=user['UserName'])#处理无参数指令def cmd_single_deal(cmd):    print(cmd)    global dict    if(cmd=='update' or cmd=='4'):            dict.clear()            dict=updateRooms()            return "update %d datas finish"%len(dict)    if(cmd=='SendMode' or cmd=='1'):            rooms_info='查看群聊id:\n'            for i in  range(0,len(dict)):                rooms_info+=str(i)+': '+dict[i]['nickname']+'\n'            return rooms_info    if(cmd=='help' or cmd=='5'):            usage='''群好友助手指令：        1.[SendMode] or 1:查看群id        2.[SendMode id]:查看指定id群的好友人数        3.[SendMode 参数0(群id) text 参数a(标题) 参数b(内容)]        4.[update] or 4:更新数据        5.[help] or 5:帮助信息        [注意:参数间只能有一个空格]'''            return usage        return '无效指令！'#含参数指令处理    def cmd_with_args_deal(command):    id=int(command[1])        room_member=itchat.update_chatroom(dict[id]['roomname'],detailedMember=True)    if((command[0]=='SendMode') and len(command)==2):                print(dict[id]['nickname']+'#############')                friendsInRoomInfo=get_friendsInfo_in_room(dict[id]['nickname'],room_member)                itchat.send(friendsInRoomInfo,toUserName='filehelper')          if((command[0]=='SendMode' or command[0]=='1' ) and len(command)==5):        if(command[2]=='text'):#2:gid 3:title 4:msg                    send_msg_to_room_friends(command[3],command[4],room_member)#微信响应函数                         @itchat.msg_register([TEXT])def handel_recive(msg):    global dict    if(msg['ToUserName']=='filehelper'):        command=msg['Content'].split(' ')        command_len=len(command)        dict=updateRooms()        rooms_sum=len(dict)        if(command_len==1):            info=cmd_single_deal(command[0])            itchat.send(info,toUserName='filehelper')        elif(command_len>1 and command[1].isnumeric()):            if(int(command[1])<rooms_sum):                    cmd_with_args_deal(command)         else:            itchat.send("无效参数",toUserName='filehelper')        print("send finish!")        itchat.send("群好友助手已启动,help指令查看详细说明!",toUserName='filehelper')itchat.run()

5项目地址:链接

参考链接:
python实现微信接口(itchat)
微信 python 接口 -- itchat 文档

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