def new_entry(request, topic_id):
topic = Topic.objects.get(id=topic_id)
if request.method != 'POST':
form = EntryForm
else:
form = EntryForm(data=request.POST)
if form.is_valid():
new_entry = form.save(commit=False)
new_entry.topic = topic
new_entry.save()
return HttpResponseRedirect(
reverse('learning_logs:topic', args=[topic_id]))
context = {'topic': topic, 'form': form}
return render(request, 'learning_logs/new_entry.html', context=context)
def edit_entry(request, topic_pk, entry_pk):
entry = Entry.objects.get(pk=entry_pk)
topic = entry.topic
if topic.owner != request.user:
raise Http404
if request.method != 'POST':
form = EntryForm(instance=entry)
else:
form = EntryForm(request.POST, instance=entry)
if form.is_valid():
#entry = form.save(commit=False)
#entry.date_added = timezone.now()
entry.save()
return redirect('../')
return render(request, 'learning_logs/edit_entry.html', {'form': form, 'topic_pk': topic_pk, 'entry_pk': entry_pk})
def new_entry(request, topic_id):
"""Add new entry for a particular topic"""
topic = Topic.objects.get(id=topic_id)
check_topic_owner(request, topic)
if request.method != 'POST':
#No data submitted, create a blank form
form = EntryForm
else:
#Post data submitted, process data
form = EntryForm(request.POST)
if form.is_valid():
new_entry = form.save(commit=False)
new_entry.topic = topic
new_entry.save()
return HttpResponseRedirect(
reverse('learning_logs:topic', args=[topic_id]))
return render(request, 'new_entry.txt', {'topic': topic, 'form': form})
def edit_entry(request,entry_id):
entry=Entry.objects.get(id=entry_id)
topic=entry.topic
if request.method!='POST':
form=EntryForm(instance=entry)#创建一根EntryForm表单实例，并使用instance是他可以把当前的文本填充
else: #用户将可以看到并编辑
form=EntryForm(instance=entry,data=request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect(reversed('learning_logs:topics',args=[topic.id]))
#return render(request,'learning_logs/topic.html')
context={'entry':entry,'topic':topic,'form':form}
return render(request,'learning_logs/edit_entry.html',context)
def endit_entry(request, entry_id):
entry = Entry.objects.get(id=entry_id)
topic = entry.topic
if request.method != 'POST':
form = EntryForm(instance=entry)
else:
form = EntryForm(instance=entry, data=request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect(
reverse('learning_logs:topic', args=[topic.id]))
context = {'entry': entry, 'topic': topic, 'form': form}
return render(request, 'learning_logs/edit_entry.html', context)
def edit_entry(request, entry_id):
"""Edits an existing entry."""
entry = get_object_or_404(Entry, id=entry_id)
topic = entry.topic
check_topic_owner(topic.owner, request.user)
if request.method != 'POST':
form = EntryForm(instance=entry)
else:
form = EntryForm(instance=entry, data=request.POST)
if form.is_valid():
form.save()
return redirect('learning_logs:topic', topic_id=topic.id)
context = {'entry': entry, 'topic': topic, 'form': form}
return render(request, 'learning_logs/edit_entry.html', context)
def new_entry(request, pk):
topic = Topic.objects.get(id=pk)
if request.method != 'POST':
form = EntryForm()
else:
form = EntryForm(data=request.POST)
if form.is_valid():
new_entry = form.save(commit=False)
new_entry.topic = topic
new_entry.save()
return redirect('../')
return render(request, 'learning_logs/new_entry.html', {'form': form, 'topic':topic})
def edit_entry(request, entry_id):
"""编辑"""
entry = Entry.objects.get(id=entry_id)
topic = entry.topic
if topic.owner != request.user:
raise Http404
if request.method != "POST":
form = EntryForm(instance=entry)
else:
form = EntryForm(instance=entry, data=request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect(reverse("topic", args=[topic.id]))
context = {"topic": topic, "entry": entry, "form": form}
return render(request, "learning_logs/edit_entry.html", context)
def edit_entry(request,entry_id):
"""编辑既有条目"""
entry = Entry.objects.get(id=entry_id)
topic = entry.topic
if topic.owner != request.user:
raise Http404
if request.method != 'POST':
#初次请求，使用当前条目填充表单
form = EntryForm(instance=entry)
else:
# POST提交的数据，对数据进行处理
form = EntryForm(instance=entry,data=request.POST) #处理POST请求时，我们传递实参instance=entry和data=request.POST（见.），让Django根据既有条目对象创建一个表单实例，并根据request.POST中的相关数据对其进行修
if form.is_valid():
form.save()
return HttpResponseRedirect(reverse('learning_logs:topic',args=[topic.id]))
context = {'entry':entry,'topic':topic,'form':form}
return render(request, 'edit_entry.html',context)
def editentryview(request, entry_id):
entry = Entry.objects.get(id=entry_id)
topic = entry.topic
if request.method != "POST":
form = EntryForm(instance=entry)
else:
form = EntryForm(instance=entry, data=request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect("/Log/topic/")
#if topic.owner != request.user:
#raise Http404
context = {
"entry" : entry,
"topic" : topic,
"form" : form,
}
return render(request, "editentry.html", context)
def addentryview(request, topic_id):
"""Add an entry to a topic"""
topic = Topic.objects.filter( owner = request.user).get(id = topic_id)
form = EntryForm(request.POST or None)
if form.is_valid():
new_entry = form.save(commit = False)
new_entry.topic = topic
new_entry.save()
form = EntryForm()
context = {
"form" : form,
"topic" : topic,
}
return render(request, "entrycreate.html", context)
def new_entry(request, topic_id):
"""添加条目"""
topic = Topic.objects.get(id=topic_id)
if request.method != "POST":
form = EntryForm()
else:
form = EntryForm(data=request.POST)
if form.is_valid():
new_entry = form.save(commit=False)
new_entry.topic = topic
new_entry.save()
return HttpResponseRedirect(reverse("topic", args=[topic_id]))
context = {"topic": topic, "form": form}
return render(request, "learning_logs/new_entry.html", context)
def edit_entry( request, entry_id):
'''Edit an existing entry'''
entry = Entry.objects.get(id= entry_id)
topic = entry.topic
if topic.owner != request.user:
return redirect('learning_logs:topics')
if request.method != "POST":
#no data was submitted, fill the form with current data.
form = EntryForm(instance=entry)
else:
#data was submitted, update the entry
form = EntryForm(instance=entry, data=request.POST)
if form.is_valid():
#the content of the form is valid
form.save()
return redirect('learning_logs:topic', topic_id=topic.id)
context = {'entry':entry, 'form':form, 'topic':topic}
return render( request, 'learning_logs/edit_entry.html', context)
def edit_entry(request, entry_id):
"""编辑既有条目"""
entry = Entry.objects.get(id=entry_id)
topic = entry.topic
if topic.owner != request.user:
raise Http404
if request.method != 'POST':
# 初次请求，使用当前条目填充表单
form = EntryForm(instance=entry)
else:
# post提交的数据，对数据进行处理
form = EntryForm(instance=entry, data=request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect(
reverse('learning_logs:topic', args=[topic.id]))
context = {'entry': entry, 'topic': topic, 'form': form}
return render(request, 'learning_logs/edit_entry.html', context)
def new_entry(request,topic_id):
'''在待定的主题中添加新条目'''
topic=Topic.objects.get(id=topic_id)
if request.method!='POST':
print("i am okla")
#这里创建的新表单form有问题，导致加入的entry内容进不去，数据库也不行
form=EntryForm()
else:
form=EntryForm(data=request.POST)
if form.is_valid():
new_entry=form.save(commit=False)
new_entry.topic=topic
new_entry.save()
#这里的跳转跳不过去
return HttpResponseRedirect(reversed('learning_logs:topic',args=[topic_id]))
context={'topic':topic,'form':form}
return render(request,'learning_logs/new_entry.html',context)
def new_entry(request, topic_id):
"""Adds a new post on a specific topic."""
topic = get_object_or_404(Topic, id=topic_id)
check_topic_owner(topic.owner, request.user)
if request.method != 'POST':
form = EntryForm()
else:
form = EntryForm(data=request.POST)
if form.is_valid():
new_entry = form.save(commit=False)
new_entry.topic = topic
new_entry.save()
return redirect('learning_logs:topic', topic_id=topic_id)
context = {'topic': topic, 'form': form}
return render(request, 'learning_logs/new_entry.html', context)
def edit_entry(request, entry_id):
"""Edit an existing entry"""
entry = Entry.objects.get(id=entry_id)
topic = entry.topic
check_topic_owner(request, topic)
if request.method != 'POST':
#Initial request, prefill form with current entry
form = EntryForm(instance=entry)
else:
#Post data submitted, process data
form = EntryForm(instance=entry, data=request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect(
reverse('learning_logs:topic', args=[topic.id]))
return render(request, 'edit_entry.txt', {
'entry': entry,
'topic': topic,
'form': form
})
def new_entry(request,topic_id):
"""在特定的主题中添加新条目"""
topic = Topic.objects.get(id=topic_id)
if request.method != 'POST':
#未提交数据，创建一个空表单
form = EntryForm()
else:
#post提交的数据，对数据进行处理
form = EntryForm(data=request.POST)
if form.is_valid():
"""调用save()时，我们传递了实参commit=False（见.），让Django创建一个新的条目对象，并将其存储到new_entry中，但不将它保存到数据库中。我们将new_entry的属性topic设置为在这个函数开头从数据库中获取的主题"""
new_entry = form.save(commit=False)
new_entry.topic = topic
new_entry.save() #且不指定任何实参。这将把条目保存到数据库，并将其与正确的主题相关联。
return HttpResponseRedirect(reverse('learning_logs:topic',args=[topic_id]))
context = {'topic':topic,'form':form}
return render(request,'new_entry.html',context)
def new_entry(request, topic_id):
'''Add a new entry to the topic with id == topic_id'''
#get the topic
topic = Topic.objects.get(id= topic_id)
if topic.owner != request.user:
return redirect('learning_logs:topics')
if request.method != 'POST':
#no data was submitted create empty form
form = EntryForm()
else:
form = EntryForm(request.POST)
if form.is_valid():
#dont add the entry to the database yet
new_entry = form.save(commit=False)
new_entry.topic = topic
new_entry.save()
return redirect('learning_logs:topic', topic_id=topic_id)
#display a blank or invalid form
context = {'topic':topic, 'form':form}
return render( request, 'learning_logs/new_entry.html', context)