Django各个文件中常用模块的导入

Django各个文件中常用模块的导入

'''
用于分类各个py文件中导入模块的分类
'''

models.py

from django.db import models

urls.py

from django.conf.urls import url, include
from django.contrib import admin
...

myforms.py

from django import forms

views.py

反向解析

from django.urls import reverse

return response

from django.shortcuts import render, redirect, HttpResponse

json 数据返回(ajax)

from django.http import JsonResponse

配置文件

from django.conf import settings

Q,F查询

from django.db.models import Q

routing.py

websocket的路由系统模块

from channels.routing import ProtocolTypeRouter, URLRouter
from django.conf.urls import url
from channels.sessions import SessionMiddlewareStack
from apps.web import consumers

consumers.py

应用websocket时需要导入的模块

websocket的链接与断开

from channels.generic.websocket import WebsocketConsumer

channel_layer的组操作

from asgiref.sync import async_to_sync

group_add，添加task_id 到群里

async_to_sync(self.channel_layer.group_add)(task_id, self.channel_name)

group_send 发送message

async_to_sync(self.channel_layer.group_send)(task_id, {'type': 'xxx.ooo', 'message': 'message'})

group_discard 断开链接

async_to_sync(self.channel_layer.group_discard)(task_id, self.channel_name)

异常抛出

from channels.exceptions import StopConsumer

事务

from django.db import transaction

template

静态文件引入

{% load staticfiles %}

自定义标签/过滤器的应用：templatetags文件夹下文件

from django.template import Library

HTML页面导入

{% load deploy %}

模板继承

{% extends "base/layout.html" %}

组件应用

{% include 'include/delete.html' %}