The CMDB system after entry Django (f) separating the front and rear ends of the end
Foreword
Author: HE whole, github address: https://github.com/ ××× QQ exchange group: ×××
This completes the getting started tutorial from zero, be able to write a simple CMDB system independent.
The current mainstream method development approach, is divided into two kinds: mvc and mvvc way. This tutorial MVVc (separated front and rear ends) Tutorial.
Tutorial Project Address: https://github.com/×××/panda/
Tutorial documentation Address: https://github.com/×××/pandaAdmin
basis
The main use djangorestframework module provides api. drf Chinese document http://drf.jiuyou.info/#/drf/requests
Basic environment configuration can be seen in front of the first article.
mvvc mvc back-end and back-end, almost part of the basic configuration information, the following list is not the same part.
- Module
django-cors-headers
django-crispy-forms
django-filter
django-pure-pagination
djangorestframework
django-rest-swagger- settings
AUTH_USER_MODEL = 'system.users' #更改user表
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'system.apps.SystemConfig',
'rest_framework',
'rest_framework.authtoken',
'corsheaders',
'django_filters',
]
MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'corsheaders.middleware.CorsMiddleware',
'django.middleware.common.CommonMiddleware',
# 'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
]
## rest api
REST_FRAMEWORK = {
'DEFAULT_AUTHENTICATION_CLASSES': (
'rest_framework.authentication.BasicAuthentication',
'rest_framework.authentication.TokenAuthentication',
'rest_framework.authentication.SessionAuthentication',
),
'DEFAULT_RENDERER_CLASSES': (
'rest_framework.renderers.JSONRenderer',
'rest_framework.renderers.BrowsableAPIRenderer' # 注释掉 可以关闭 api web界面
),
'DEFAULT_PERMISSION_CLASSES': (
# 'rest_framework.permissions.AllowAny',
'rest_framework.permissions.IsAuthenticated',
),
'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
'PAGE_SIZE': 10,
'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend',),
'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.AutoSchema'
}
CORS_ALLOW_CREDENTIALS = True
CORS_ORIGIN_ALLOW_ALL = True
CORS_ORIGIN_WHITELIST = (
'*',
)
MIDDLEWARE_CLASSES = ('system.views.DisableCSRFCheck',)
- system.views.DisableCSRFCheck
class DisableCSRFCheck(object):
def process_request(self, request):
setattr(request, '_dont_enforce_csrf_checks', True)- urls.py
from django.contrib import admin
from django.urls import path
from rest_framework.authtoken import views
from rest_framework.documentation import include_docs_urls
from django.conf.urls import include
API_TITLE = '文档'
API_DESCRIPTION = '文档'
urlpatterns = [
path('system/', include('system.urls', namespace='system')),
path('admin/', admin.site.urls, ),
path('token', views.obtain_auth_token),
path('docs', include_docs_urls(title=API_TITLE, description=API_DESCRIPTION, authentication_classes=[],
permission_classes=[])),
]
example
-
New app system
- models.py
from django.db import models
from django.contrib.auth.models import AbstractUser, Group, User
class Users(AbstractUser):
"""
基于django表 添加字段 , 如有需要调用user的情况,请使用此表
"""
position = models.CharField(max_length=64, verbose_name='职位信息', blank=True, null=True)
avatar = models.CharField(max_length=256, verbose_name='头像', blank=True, null=True)
mobile = models.CharField(max_length=11, verbose_name='手机', blank=True, null=True)
class Meta:
db_table = 'users'
verbose_name = '用户信息'
verbose_name_plural = verbose_name
def __str__(self):
return self.username
class Test(models.Model):
date = models.CharField(max_length=96, verbose_name='日期', blank=True, null=True, )
name = models.CharField(max_length=96, verbose_name='姓名', blank=True, null=True, )
address = models.CharField(max_length=96, verbose_name='地址', blank=True, null=True, )
# c_time = models.DateTimeField(auto_now_add=True, null=True, verbose_name='创建时间', blank=True)
# u_time = models.DateTimeField(auto_now=True, null=True, verbose_name='更新时间', blank=True)
class Meta:
db_table = "test"
verbose_name = "测试"
verbose_name_plural = verbose_name
def __str__(self):
return self.name
- serializers.py
from rest_framework import serializers
from system.models import Test
class TestSerializer(serializers.ModelSerializer):
class Meta:
model = Test
fields = '__all__'
- views.py
class TestList(generics.ListCreateAPIView):
queryset = Test.objects.get_queryset().order_by('id')
serializer_class = TestSerializer
filter_backends = (DjangoFilterBackend, filters.SearchFilter, filters.OrderingFilter)
filter_fields = ('id', 'date','name')
search_fields = ('id', 'name',)
permission_classes = (permissions.DjangoModelPermissions,) # 继承 django的权限
class TestDetail(generics.RetrieveUpdateDestroyAPIView):
queryset = Test.objects.get_queryset().order_by('id')
serializer_class = TestSerializer
permission_classes = (permissions.DjangoModelPermissions,)
class UserInfo(APIView):
"""
获取用户信息
"""
permission_classes = (permissions.IsAuthenticated,)
def post(self, request):
token = (json.loads(request.body))['token']
obj = Token.objects.get(key=token).user
result = {
'name': obj.username,
'user_id': obj.id,
'access': list(obj.get_all_permissions()) + ['admin'] if obj.is_superuser else list(
obj.get_all_permissions()),
'token': token,
'avatar': ''
}
return HttpResponse(json.dumps(result))
class UserLogout(APIView):
permission_classes = (permissions.IsAuthenticated,)
def post(self, request):
token = (json.loads(request.body))['token']
obj = Token.objects.get(key=token)
obj.delete()
result = {
"status": True
}
return HttpResponse(json.dumps(result))
- urls.py
app_name = "system"
urlpatterns = [
path('user_info', UserInfo.as_view()),
path('logout', UserLogout.as_view()),
path('test', TestList.as_view()),
path('test/<int:pk>', TestDetail.as_view())
]
- admin.py
from django.contrib import admin
from system.models import Users, Test
from django.contrib.auth.admin import UserAdmin
class UsersAdmin(UserAdmin):
fieldsets = (
(None, {'fields': ('username', 'password')}),
('基本信息', {'fields': ('first_name', 'last_name', 'email')}),
('权限', {'fields': ('is_active', 'is_staff', 'is_superuser', 'groups', 'user_permissions')}),
('登录时间', {'fields': ('last_login', 'date_joined')}),
('其他信息', {'fields': (
'position', 'avatar', 'mobile',)}),
)
@classmethod
def show_group(self, obj):
return [i.name for i in obj.groups.all()]
@classmethod
def show_user_permissions(self, obj):
return [i.name for i in obj.user_permissions.all()]
list_display = ('username', 'show_group', 'show_user_permissions')
list_display_links = ('username',)
search_fields = ('username',)
filter_horizontal = ('groups', 'user_permissions')
admin.site.register(Users, UsersAdmin)
admin.site.register(Test)
admin.site.site_header = '管理后台'
admin.site.site_title = admin.site.site_header
deploy
pip3 install -r requirements.txt ## all the modules installed, if the module increases, there is need for added
Initialize the database
python3.6 -u /opt/manage.py runserver 192.168.100.99:8000
Start the front