Django+wechatpy接入微信公众平台以及授权登录

确定Django环境可以正常运行，环境搭建见：Linux 搭建Nginx+uwsgi+Django环境

安装 wechatpy[cryptography]

sudo pip3 install wechatpy[cryptography]

修改settings.py
1. 接入微信公众号的连接去掉csrf验证，详情参考：解决Django+Vue前后端分离的跨域问题及关闭csrf验证的后半部分
2. 在settings.py 加入微信公众号配置
```
AppID = \'\'
AppSecret = \'\'
Token = \'\'
```

接入

Django接入微信公众号代码

# wx.view代码

from wechatpy.utils import check_signature
from back import settings
from wechatpy.exceptions import InvalidSignatureException
from django.http import HttpResponse
from wechatpy import parse_message, create_reply
from wechatpy.replies import BaseReply
from wechatpy import WeChatClient
from wechatpy.oauth import WeChatOAuth
from django.shortcuts import redirect

import wx.wechat as wx_wechat


# 连接微信公众号的方法
def serve(request):
    # GET 方式用于微信公众平台绑定验证
    if request.method == \'GET\':
        signature = request.GET.get(\'signature\', \'\')
        timestamp = request.GET.get(\'timestamp\', \'\')
        nonce = request.GET.get(\'nonce\', \'\')
        echo_str = request.GET.get(\'echostr\', \'\')
        try:
            check_signature(settings.Token, signature, timestamp, nonce)
        except InvalidSignatureException:
            echo_str = \'错误的请求\'
        response = HttpResponse(echo_str)
    else:

        msg = parse_message(request.body)
        msg_dict = msg.__dict__[\'_data\']
        # print(msg.id, msg.source, msg.create_time, msg.type, msg.target, msg.time, msg.__dict__[\'_data\'][\'Event\'], \'====\')
        if msg.type == \'text\':
            pass
        elif msg.type == \'event\':
            if msg_dict[\'Event\'] == \'subscribe\':
            		# 关注后 将获取的用户的信息保存到数据库
                wx_wechat.subscribe(getWxUserInfo(msg.source))
            elif msg_dict[\'Event\'] == \'unsubscribe\':
            		# 取关后，将用户的关注状态更改为 未关注
                wx_wechat.unsubscribe(msg.source)
        else:
            pass
        response = HttpResponse(\'\', content_type="application/xml")
    return response


def getWxClient():
    return WeChatClient(settings.AppID, settings.AppSecret)


def getWxUserInfo(openid):
    wxClient = getWxClient()
    wxUserInfo = wxClient.user.get(openid)
    return wxUserInfo


def getWeChatOAuth(redirect_url):
    return WeChatOAuth(settings.AppID, settings.AppSecret, redirect_url)

# 定义授权装饰器
def oauth(method):
    def warpper(request):
        if request.session.get(\'user_info\', None) is None:
            code = request.GET.get(\'code\', None)
            wechat_oauth = getWeChatOAuth(request.get_raw_uri())
            url = wechat_oauth.authorize_url
            if code:
                try:
                    wechat_oauth.fetch_access_token(code)
                    user_info = wechat_oauth.get_user_info()
                except Exception as e:
                    print(str(e))
                    # 这里需要处理请求里包含的 code 无效的情况
                    # abort(403)
                else:
                    request.session[\'user_info\'] = user_info
            else:
                return redirect(url)

        return method(request)
    return warpper

@oauth
def get_wx_user_info(request):
    user_info = request.session.get(\'user_info\')
    return HttpResponse(str(user_info))

# wx.url代码
from django.urls import path
from . import views

urlpatterns = [
    path(\'wechat/\', views.serve),

    path(\'user/info\', views.get_wx_user_info)
]

这样等后台配置完毕后，就可以通过访问get_wx_user_info方法来获取当前授权登录的用户的信息

微信后台设置
1. 参考：接入指南
2. 微信公众平台后台登录地址
  1. 正式地址
  2. 测试账号地址

如需转载请注明出处：https://www.cnblogs.com/zhuchenglin/p/10755547.html

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Django+wechatpy接入微信公众平台以及授权登录

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