def?edit_action(request):
????title?=?request.POST.get('title',?'TITLE')
????content?=?request.POST.get('content',?'CONTENT')
????article_id?=?request.POST.get('article.id',?'0')
????if?article_id?==?'0':
????????models.Article.objects.create(title=title,?content=content)
????????articles?=?models.Article.objects.all()
????????return?render(request,?'blog/index.html',?{'articles':?articles})
????article?=?models.Article.objects.get(pk=article_id)
????article.title?=?title
????article.content?=?content
????article.save()
????return?render(request,?'blog/article_page.html',?{'article':?article})

<form?action="{%?url?'blog:edit_action'?%}"?method="post">
????{%?csrf_token?%}
????{%?if?article?%}
????<input?type="hidden"?name="article_id"?value='{{article.id}}'/>
????<label>文章標題：
????????<input?type="text"?name="title"?value='{{article.title}}'/>
????</label>
????<br/>
????<label>文章內容：
????????<input?type="text"?name="content"?value='{{article.content}}'/>
????</label>
????<br/>
????{%?else?%}
????<input?type="hidden"?name="article_id"?value='0'/>
????<label>文章標題：
????<input?type="text"?name="title"/>
????</label>
????<br/>
????<label>文章內容：
????<input?type="text"?name="content"/>
????</label>
????<br/>
????{%?endif?%}
????<input?type="submit"?value="提交">
</form>

re_path('^index/$',?views.index),
re_path('^article/(?P<article_id>[0-9]+)$',?views.article_page,?name='article_page'),
re_path('^edit/(?P<article_id>[0-9]+)$',?views.edit_page,?name='edit_page'),
re_path('^edit/action$',?views.edit_action,?name='edit_action'),