django 使用 channels 搭建在线客服疑惑 - V2EX
V2EX = way to explore
V2EX 是一个关于分享和探索的地方
现在注册
已注册用户请  登录
推荐学习书目
Learn Python the Hard Way
Python Sites
PyPI - Python Package Index
http://diveintopython.org/toc/index.html
Pocoo
值得关注的项目
PyPy
Celery
Jinja2
Read the Docs
gevent
pyenv
virtualenv
Stackless Python
Beautiful Soup
结巴中文分词
Green Unicorn
Sentry
Shovel
Pyflakes
pytest
Python 编程
pep8 Checker
Styles
PEP 8
Google Python Style Guide
Code Style from The Hitchhiker's Guide
endpain
V2EX    Python

django 使用 channels 搭建在线客服疑惑

  •  
  •   endpain 2020-05-14 23:43:58 +08:00 2215 次点击
    这是一个创建于 1984 天前的主题,其中的信息可能已经有所发展或是发生改变。

    版本: python == 3.8.1 Django 3.0.4
    channels 2.4.0
    channels-redis 2.4.2
    疑问如下,因为百度搜索的答案实在是一言难尽,都是千篇一律的一样,根据我的个人理解,和查看官网,在 channels 里面包括官方教程都是着重再讲多人聊天和群组聊天( group ),我想实现的是通过 layim 一对一聊天

    整体都能跑通,但是不知道为什么,a 用户发给 b 用户的消息,b 是收不到的,这块我实在是不明白以下几个问题,希望有懂的大神可以指点一下

    1 、a 用户发给 b 用户,我如何能给 b 用户去进行推送,

     async_to_sync(self.channel_layer.send)( to_user_id, { 'type': 'chat_messages', # 调用的发送方法 'event':data_json } ) 

    上面的代码貌似没生效,b 用户是没有收到的

    2 、channels 如何能获取当前有几个人在连接,他们存储在 redis 的 channel_name 如何获取?

    附上我的代码,感谢~

    from asgiref.sync import async_to_sync from channels.layers import get_channel_layer from channels.generic.websocket import WebsocketConsumer from channels.exceptions import * from channels.db import database_sync_to_async from rest_framework_jwt.authentication import jwt_decode_handler import json import redis import time from chat import models pool = redis.ConnectionPool( host='localhost', port=6379, max_cOnnections=10, decode_respOnses=True ) cOnn= redis.Redis(connection_pool=pool, decode_respOnses=True) class ChatConsumer(WebsocketConsumer): chats = {} def connect(self): try: jwt = self.scope['query_string'].decode() #获取 jwt if not jwt: # 请求存在问题 raise DenyConnection("jwt 信息错误") payload = jwt_decode_handler(jwt) except: print("jwt 信息错误") print(payload) self.user_id = str(payload['user_id']) async_to_sync(self.channel_layer.group_add)( self.user_id, self.channel_name ) # ChatConsumer.chats[user_id] = {'self':self,'last_time':int(time.time())} self.accept() def disconnect(self, close_code): async_to_sync(self.channel_layer.group_discard)( self.user_id, self.channel_name ) ChatConsumer.chats[self.group_name].remove(self) self.close() def receive(self, text_data): data_json = json.loads(text_data) type = data_json.get('type') # 类型 if type == 'chatMessage': # 发送消息 mine_user_id = data_json.get('data').get('mine').get('id') # 发送者 id to_user_id = data_json.get('data').get('to').get('id') # 接受者 id message = data_json.get('data').get('mine').get('content') #发送内容 # 接受成功消息,返回结果 self.send(text_data=json.dumps({ 'server_socket_type': 'MessageReceivedSuccessfully', 'result': True, 'time': int(time.time()), })) async_to_sync(self.channel_layer.send)( to_user_id, { 'type': 'chat_messages', # 调用的发送方法 'event':data_json } ) 
    目前尚无回复
    关于     帮助文档     自助推广系统     博客     API     FAQ     Solana     3850 人在线   最高记录 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 27ms UTC 10:25 PVG 18:25 LAX 03:25 JFK 06:25
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86