我正在尝试使用 ajax 发送评论表单，现在当用户插入评论时，整个页面都会刷新。我希望能够很好地插入此内容，而无需刷新页面。
所以我尝试了很多东西但没有运气。由于我是初学者，我尝试遵循许多教程链接；https://realpython.com/blog/python/django-and-ajax-form-submissions/
https://impythonist.wordpress.com/2015/06/16/django-with-ajax-a-modern-client-server-communication-practise/comment-page-1/#comment-1631
我意识到我的问题是我很难在views.py和forms.py中操作我的代码
因此，在进行客户端编程（js 和 ajax）之前，我需要再次设置后端（python 代码）以针对 ajax 设置。
有人可以帮我解决这个问题吗？
我不知道如何设置我的后端......
<div class="leave comment>
<form method="POST" action='{% url "comment_create" %}' id='commentForAjax'>{% csrf_token %}
<input type='hidden' name='post_id' value='{{ post.id }}'/>
<input type='hidden' name='origin_path' value='{{ request.get_full_path }}'/>
{% crispy comment_form comment_form.helper %}
</form>
</div>
<div class='reply_comment'>
<form method="POST" action='{% url "comment_create" %}'>{% csrf_token %}
<input type='hidden' name='post_id' id='post_id' value='{% url "comment_create" %}'/>
<input type='hidden' name='origin_path' id='origin_path' value='{{ comment.get_origin }}'/>
<input type='hidden' name='parent_id' id='parent_id' value='{{ comment.id }}' />
{% crispy comment_form comment_form.helper %}
</form>
</div>
<script>
$(document).on('submit','.commentForAjax', function(e){
e.preventDefault();
$.ajax({
type:'POST',
url:'comment/create/',
data:{
post_id:$('#post_id').val(),
origin_path:$('#origin_path').val(),
parent_id:$('#parent_id').val(),
csrfmiddlewaretoken:$('input[name=csrfmiddlewaretoken]').val()
},
success:function(json){
我不知道在这里做什么...我尝试过但失败了...这里发生了什么}）
这是我的forms.py
class CommentForm(forms.Form):
comment = forms.CharField(
widget=forms.Textarea(attrs={"placeholder": "leave your thoughts"})
)
def __init__(self, data=None, files=None, **kwargs):
super(CommentForm, self).__init__(data, files, kwargs)
self.helper = FormHelper()
self.helper.form_show_labels = False
self.helper.add_input(Submit('submit', 'leave your thoughts', css_class='btn btn-default',))
和我的观点.py
def comment_create_view(request):
if request.method == "POST" and request.user.is_authenticated() and request.is_ajax():
parent_id = request.POST.get('parent_id')
post_id = request.POST.get("post_id")
origin_path = request.POST.get("origin_path")
try:
post = Post.objects.get(id=post_id)
except:
post = None
parent_comment = None
if parent_id is not None:
try:
parent_comment = Comment.objects.get(id=parent_id)
except:
parent_comment = None
if parent_comment is not None and parent_comment.post is not None:
post = parent_comment.post
form = CommentForm(request.POST)
if form.is_valid():
comment_text = form.cleaned_data['comment']
if parent_comment is not None:
# parent comments exists
new_comment = Comment.objects.create_comment(
user=MyProfile.objects.get(user=request.user),
path=parent_comment.get_origin,
text=comment_text,
post = post,
parent=parent_comment
)
return HttpResponseRedirect(post.get_absolute_url())
else:
new_comment = Comment.objects.create_comment(
user=MyProfile.objects.get(user=request.user),
path=origin_path,
text=comment_text,
post = post
)
return HttpResponseRedirect(post.get_absolute_url())
else:
messages.error(request, "There was an error with your comment.")
return HttpResponseRedirect(origin_path)
else:
raise Http404
即使在阅读了有关 ajax 的教程之后，我仍然对使用 ajax 的想法感到非常犹豫......json 如何发挥作用以及我应该如何修改views.py ......有人可以解释一下它们是如何组合在一起的吗？并帮助我完成这件事......
else:
raise Http404
