Our blog now has implemented a view of blog list, blog view. Now it's time for us to create and update blogs.
To create and update your blog, we need to learn about Django forms.
What does the Django form function do during the process of working with the form?
The Django form class is the core component of the system. In Django, the model describes the logical architecture of an object, the behavior that it shows to us in the way it is. Similarly, the form class describes a form and determines how it works and displays.
A field of a model class is mapped to a field in a database, similar to a field in a form class that maps to the <input> element of a form in HTML.
First, create a template file that creates a blog edit.html
<!DOCTYPE HTML><HTML> <Head> <title>My Blog</title> </Head> <Body> <formMethod= ' Post '>{% Csrf_token%} {{form.as_p}}<Buttontype= "Submit">Save</Button> </form> </Body></HTML>
Yes, add a link to create a blog on the homepage (no matter what the landscaping, the implementation of the function again)
<!DOCTYPE HTML><HTML> <Head> <title>My Blog</title> </Head> <Body> <formMethod= ' Post '>{% Csrf_token%} {{form.as_p}}<Buttontype= "Submit">Save</Button> </form> </Body></HTML>[Email protected]:~/python/django/myproject/blog/templates/blog$ more index.html<!DOCTYPE HTML><HTML> <Head> <title>My Blog</title> </Head> <Body> <ahref={% url ' blogs:edit '%}>Edit</a>{% If blogs%} {% for blog in blogs%}<ahref={% url ' blogs:detail ' blog.id%}><H2>{{Blog.title}}</H2></a> <P>Published {{Blog.published_time}}</P> <P>{{Blog.text | linebreaks}}</P>{% endfor%} {% Else%}<P>No Blog was published</P>{% endif%}</Body></HTML>
Next, add the URL
fromDjango.conf.urlsImportPatterns,url fromBlog.viewsImport*Urlpatterns= Patterns ("', the URL (r'^$', index,name='Index'), url (r'^edit/$', edit,name='Edit'), url (r'^(? p<id>\d+)/$', detail,name='Detail'),)
Add a URL corresponding to the view function
fromDjango.shortcutsImportRender,get_object_or_404,redirect fromBlog.modelsImportBlog,postformImportdatetimedefIndex (Request): Blogs=Blog.objects.all ()returnRender (Request,'blog/index.html',{'Blogs': Blogs})defDetail (request,id): Blog=get_object_or_404 (blog,pk=ID)returnRender (Request,'blog/detail.html',{'Blog': Blog})defedit (Request):ifrequest.method=='POST': Form=Postform (Request. POST)ifform.is_valid (): Post=form.save (commit=False) Post.user=Request.user Post.created_time=Datetime.datetime.now () post.published_time=Datetime.datetime.now () post.save ( )returnRender (Request,'blog/detail.html',{'Blog':p OST}) Else: Form=Postform ()returnRender (Request,'blog/edit.html',{'form': Form})
OK, start the server, enter the URL, we can add a blog post.
Django Learning form (forms)
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