Django 注册及创建订单商品

注册功能的实现

user/views

from rest_framework.generics import GenericAPIView
from rest_framework.views import APIViewfrom apps.user.models import User
from apps.user.serializers import UserSerializer
from utils import ResponseMessage
from utils.jwt_auth import create_token
from utils.password_encode import get_md5# Create your views here.
class UserApiView(APIView):# 注册功能的实现# def post(self,request):#     request.data["password"] = get_md5(request.data.get("password"))#     # 反序列化呀，把json变成一个对象  [这是关键的一句话]#     user_data_serializer = UserSerializer(data=request.data)#     user_data_serializer.is_valid(raise_exception=True)#     user_data = User.objects.create(**user_data_serializer.data)##     # 序列化一下，把json返回给前端对象#     user_ser = UserSerializer(instance=user_data)#     return JsonResponse(user_ser.data)def post(self,request):# 反序列化呀，把json变成一个对象  [这是关键的一句话]user_data_serializer = UserSerializer(data=request.data)user_data_serializer.is_valid(raise_exception=True)user_data = user_data_serializer.save()# 序列化一下，把json返回给前端对象user_ser = UserSerializer(instance=user_data)# return JsonResponse(user_ser.data)return ResponseMessage.UserResponse.success(user_ser.data)

user/urls

from django.urls import path
from .views import UserApiViewurlpatterns = [path("",UserApiView.as_view()),
]

user/serializers.py

import datetimefrom rest_framework import serializers
from rest_framework.validators import UniqueValidatorfrom apps.user.models import User
from utils.password_encode import get_md5class UserSerializer(serializers.ModelSerializer):# email作为用户名进行登录，这里我们需要做一个唯一性的验证email = serializers.EmailField(required=True,allow_blank=False,validators=[UniqueValidator(queryset=User.objects, message="用户已经存在了")])password = serializers.CharField(write_only=True)# password = serializers.CharField()birthday = serializers.DateTimeField("%Y-%m-%d %H:%M:%S")create_time = serializers.DateTimeField("%Y-%m-%d %H:%M:%S",required=False)# create方法会被自动调用，这里可以做一些数据的验证或者是存储之前数据的加工def create(self, validated_data):print("create方法被调用了")print(validated_data)validated_data["password"] = get_md5(validated_data["password"])validated_data["create_time"] = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")result = User.objects.create(**validated_data)return resultclass Meta:model = Userfields = "__all__"

utils/password_encode.py

import hashlib
def get_md5(param):md5 = hashlib.md5()md5.update(param.encode())return md5.hexdigest()

urls

path("user/", include("user.urls")),

用户个人中心获取 用户信息接口开发

class UserApiView(APIView):def get(self, request):email = request.GET.get("email")try:user_data = User.objects.get(email=email)user_ser = UserSerializer(user_data)return ResponseMessage.UserResponse.success(user_ser.data)except Exception as e:print(e)return ResponseMessage.UserResponse.failed("用户信息获取失败")

订单逻辑梳理与表的创建

订单商品表（点击去结算）

订单表(提交订单)

将数据库创建的表映射到本地模型类

python manage.py inspectdb --database default goods > apps/order/models.py

基于GenericAPIView视图的调用逻辑实现创建订单商品的接口开发

order/views

from django.http import JsonResponse
from django.shortcuts import render# Create your views here.
from rest_framework.generics import GenericAPIView
from apps.order.models import OrderGoods
from apps.order.serializers import OrderGoodsSerializerclass OrderGoodsGenericAPIView(GenericAPIView):queryset = OrderGoods.objectsserializer_class = OrderGoodsSerializerdef post(self, request):# trade_no = request.data.get("trade_no")# print(self.get_queryset())# print(self.get_serializer())print(request.data)# request.data 类型是 dict   转成object传dataser = self.get_serializer(data=request.data)ser.is_valid()ser.save()return JsonResponse("ok",safe=False)

order/urls

from django.contrib import admin
from django.urls import path
from .views import OrderGoodsGenericAPIViewurlpatterns = [path("goods/",OrderGoodsGenericAPIView.as_view()),]

order/serializers.py

from rest_framework import serializers
from apps.order.models import OrderGoodsclass OrderGoodsSerializer(serializers.ModelSerializer):class Meta:model = OrderGoodsfields = "__all__"

from django.db import modelsclass Order(models.Model):email = models.CharField(max_length=255, blank=True, null=True)order_amount = models.DecimalField(max_digits=10, decimal_places=2, blank=True, null=True)address_id = models.IntegerField(blank=True, null=True)pay_status = models.CharField(max_length=155, blank=True, null=True)pay_time = models.DateTimeField(blank=True, null=True)ali_trade_no = models.CharField(max_length=255, blank=True, null=True)is_delete = models.PositiveIntegerField(blank=True, null=True)create_time = models.DateTimeField(blank=True, null=True)update_time = models.DateTimeField(blank=True, null=True)class Meta:managed = Falsedb_table = 'order'class OrderGoods(models.Model):trade_no = models.CharField(max_length=255, blank=True, null=True)sku_id = models.CharField(max_length=255, blank=True, null=True)goods_num = models.IntegerField(blank=True, null=True)# create_time = models.DateTimeField(blank=True, null=True)class Meta:managed = Falsedb_table = 'order_goods'

urls

path("order/", include("order.urls")),

基于GenericAPIView视图调用逻辑实现获取订单商品接口开发

order/view.py

class OrderGoodsGenericAPIView(GenericAPIView):queryset = OrderGoods.objectsserializer_class = OrderGoodsSerializerdef post(self, request):print(request.data)# request.data 类型是 dict   转成object传dataser = self.get_serializer(data=request.data)ser.is_valid()ser.save()return JsonResponse("ok",safe=False)lookup_field = "trade_no"def get(self, request, trade_no):# 这一行代码就实现了数据库里所有数据的查询   self.get_queryset()拿到配置模型表中的所有数据  返回所有数据# 调用self.get_serializer 其实就是调用 serializer_class = OrderGoodsSerializer# return JsonResponse(self.get_serializer(instance=self.get_queryset(),many=True).data,safe=False)print(trade_no)# self.get_object() 调用该方法拿到lookup_field作为请求的参数直接传进去 其实就是加了某一个条件 返回一条数据ser = self.get_serializer(instance=self.get_object(), many=False)# 传many会报错# ser = self.get_serializer(instance=self.get_object(),many=True)return JsonResponse(ser.data, safe=False)