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python/路飞项目/1-项目基础/10-后台主页模块设计

2020-02-27

home模块

创建home模块

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前提:在 luffy 虚拟环境下

1.终端从项目根目录进入apps目录
>: cd luffyapi & cd apps

2.创建app
>: python ../../manage.py startapp home

路由分发

主路由:luffyapi/urls.py
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from django.urls import path, re_path, include
urlpatterns = [
# ...
path('home/', include('home.urls')),
# ...
]
子路由:home/urls.py
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from django.urls import path, re_path
urlpatterns = [

]

Banner数据表model设计

utils/model.py
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from django.db import models

class BaseModel(models.Model):
created_time = models.DateTimeField(auto_now_add=True, verbose_name='创建时间')
updated_time = models.DateTimeField(auto_now=True, verbose_name='最后更新时间')
is_delete = models.BooleanField(default=False, verbose_name='是否删除')
is_show = models.BooleanField(default=True, verbose_name='是否上架')
orders = models.IntegerField(verbose_name='优先级')

class Meta:
abstract = True
home/models.py
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from django.db import models
from utils.model import BaseModel

class Banner(BaseModel):
title = models.CharField(max_length=16, unique=True, verbose_name='名称')
image = models.ImageField(upload_to='banner', verbose_name='图片')
link = models.CharField(max_length=64, verbose_name='跳转链接')
info = models.TextField(verbose_name='详情') # 也可以用详情表,宽高出处

class Meta:
db_table = 'luffy_banner'
verbose_name_plural = '轮播图表'

def __str__(self):
return self.title
数据迁移:在大luffyapi路径下的终端
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>: python manage.py makemigrations
>: python manage.py migrate

注册home模块:dev.py

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INSTALLED_APPS = [
# ...
'rest_framework',
'home',
]

设计Banner数据接口

home/serializers.py
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from rest_framework import serializers
from . import models
class BannerSerializer(serializers.ModelSerializer):
class Meta:
model = models.Banner
fields = ['title', 'image', 'link']
home/views.py
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from rest_framework.viewsets import ModelViewSet
from rest_framework import mixins
from . import models, serializers

class BannerViewSet(ModelViewSet, mixins.ListModelMixin):
queryset = models.Banner.objects.filter(is_delete=False, is_show=True).all()
serializer_class = serializers.BannerSerializer
home/urls.py
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from django.urls import path, include
from utils.router import router
from . import views
# 注册ViewSet的路由
router.register('banners', views.BannerViewSet, 'banner')

urlpatterns = [
path('', include(router.urls)),
]
接口
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http://localhost:8000/home/banners/
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