创建新的项目
- django-admin.py startproject my_project
创建新的App
- # 在Django项目(my_project)的根目录下执行
- python3 manage.py startapp my_app
启动Django中的开发服务器
- # make new migrations
- python3 manage.py makemigrations
-
- # apply all migrations
- python3 manage.py migrate
-
- # run server
- python3 manage.py runserver
创建models
- class App1(models.Model):
-
- title = models.CharField(max_length=100)
-
- category = models.CharField(max_length=50, blank=True)
-
- date_time = models.DateTimeField(auto_now_add=True)
-
- def __unicode__(self):
-
- return self.title
-
- class Meta:
-
- ordering = ['-date_time']
-
进入Django中的交互式shell
- python3 manage.py shell
-
- from app1.models import App1
-
- # create(增加操作)
- App1.objects.create(title='title',category='category1')
-
- # all和get(查看操作)
- App1.objects.all()
- App1.objects.get(id=1)
-
- # update(修改操作)
- demo = App1.objects.get(id=1)
- demo.title
- demo.title='title2'
-
- # delete(删除操作)
- demo.delete()
-
创建一个超级用户
- python3 manage.py createsuperuser
-
- # 输入http://127.0.0.1:8000/admin登录后台
数据库信息的增加和删除,admin.py中增加代码
- from article.models import App1
-
- admin.site.register(App1)
Views和URL操作
- # views.py
- from django.http import HttpResponse
- def home(request):
- return HttpResponse("Hello World, Django")
-
- # urls.py
- url(r'^$', 'app1.views.home')
-
URL传参
- # views.py
- def detail(request, number):
- return HttpResponse("The number is %s." % number)
-
- # urls.py
- url(r'^([0-9]+)/', 'app1.views.detail', name='detail')
-
URL传参查询数据库
- # views.py
- def database(request, args):
- post = App1.objects.all()[int(args)]
- str = ("title = %s, category = %s, date_time = %s" % (post.title, post.category, post.date_time))
- return HttpResponse(str)
-
- # urls.py
- url(r'^id/([0-9])+/', 'article.views.database', name='database'),
-
将代码上传到Github
- # 在github中新建仓库django-blog
- # 在项目根目录下执行
- git init
- git remote add Django
- git@github.com:ybbz/django-blog.git
- git add .
- git status
- git commit -m "django blog init"
- git pull Django master && git push Django master
Error: That port is already in use.
- ps aux | grep -i manage
- kill -9 ****
- python3 manage.py runserver
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w3xue。