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用户点击小程序页面上的登录授权认证通过微信自带的认证获取code 调取登录接口，将code传入后台后台拿到code调用微信接口获取openid等用户信息后台将openid作为用户名，若存在则去校验用户信息，否则以此用户名创建新用户，密码随机生成将校验结果或者创建信息返回给微信小程序端根据返回的信息完成用户登录校验

django的用户权限认证

django有一套自己的完善用户模型，由于Django Auth自带的User模型字段有限，我们需要对其进行拓展(直接使用也可以)

nickname = models.CharField(verbose_name=u'昵称',max_length=50, blank=True)user_avatar = models.ImageField(verbose_name=u'用户头像', upload_to='image/%Y/%m/%d', default=u'image/default.png', max_length=500)user_email = models.EmailField(verbose_name=u'用户邮箱',max_length=254)user_phone = models.BigIntegerField(verbose_name=u'手机号', null=True,blank=True)user_birthday = models.DateField(verbose_name=u'出生日期', default = timezone.now)user_sex = models.CharField(verbose_name=u'性别',max_length=6,choices=(('male','男'),('female','女')),default='male')user_address = models.CharField(verbose_name=u'地址',max_length=550, blank=True,null=True)signature = models.CharField(verbose_name=u'个性签名',max_length=550, blank=True,null=True)

用户接口序列化

from rest_framework import serializersclass UserSerializer(serializers.ModelSerializer):class Meta:  model = User  fields = "__all__"

登陆接口设计

class UserLogin(APIView):  def post(self,request):    params = request.data    userName = get_openid(params.get('code'))    userInfo = params.get('userinfo')    try:      user = User.objects.get(username = userName)    except Exception as e:      user = None    if user:      # 更新用户信息      user = User.objects.get(username = userName)    else:      #注册新用户      user = User.objects.create_user(username=userName,password=random_str(10))      #手动生成JWT    # 手动生成token验证    jwt_payload_handler = api_settings.JWT_PAYLOAD_HANDLER    jwt_encode_handler = api_settings.JWT_ENCODE_HANDLER    payload = jwt_payload_handler(user)    token = jwt_encode_handler(payload)    ret = {'code': '00000', 'msg': None,'data':{}}        ret['msg'] = '授权成功'    ret['data'] = {      'token': token,      'user_id': user.id,      'nickname': user.nickname    }    return JsonResponse(ret)

解析code获取openid

class OpenidUtils(object):  def __init__(self, jscode):    self.url = "https://api.weixin.qq.com/sns/jscode2session"    self.appid = APPID    self.secret = SECRET    self.jscode = jscode  # 前端传回的动态jscode  def get_openid(self):    url = self.url + "?appid=" + self.appid + "&secret=" + self.secret + "&js_code=" + self.jscode + "&grant_type=authorization_code"    r = requests.get(url)    openid = r.json()['openid']    return openid

小程序的登陆验证

具体登录流程可以查阅官方文档。

function getWXUserInfo() {  const login = promisify(wx.login);  const getUserInfo = promisify(wx.getUserInfo);  return new Promise(function (resolve, reject) {    _wxLogin();    function _wxLogin() {      login().then(function (res) {        getUserInfo().then(function (r) {          let userInfo = r;          userInfo.code = res.code;          try {            wx.setStorageSync('userInfo', userInfo);          } catch (e) {            console.log(e)          }          if (userInfo && userInfo.code && userInfo.iv) {            resolve(userInfo);          }          else {            reject('wx login fail');          }        }).catch(function (error) {          reject(error);        });      }).catch(function (error) {        reject(error);      });    }  });}//登录接口验证getWXUserInfo().then(function (data) {  var result = {    code: 0,    data: {}  };  var params = {    'code':data.code,    'userinfo':data.userInfo  }  wx.request({    url: '/api/login',    data: params,    dataType: 'json',    method: 'POST',    success: function (response) {      // 返回成功      if (response.data && response.data.code == '00000') {        try {          var resData = {            custNo: data.user_id,            nickname: data.nickname          };          result.code = 0;          result.data = resData;          resolve(result);        }        catch (e) {          console.warn(result)          // 登录失败          result.code = 2;          resolve(result);        }      }      else {        // 获取 customNum 失败        console.warn(result)        result.code = 1;        result.data = 'get customNum fail';        resolve(result);      }    }  })}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。

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