1 评论显示
模板使用for嵌套的方式输出评论的内容【article.html】
<ol class="commentlist">
{% for comment in comment_list %}
<li id="comment-59418">
<div class="top"><a href='{{ comment.url }}' rel='external nofollow' class='url'>{{ comment.username }}</a><span
class="time"> @ <a href="#comment-59418" title="">{{ comment.date_publish | date:'Y-m-d H:i:s' }}</a></span></div>
<div>
</div>
<div class="body">
<p>{{ comment.content }}</p>
</div>
</li>
{% for children_comment in comment.children_comment %}
<li id="comment-59542">
<div class="reply">
<div class="top"><a href="{{ children_comment.url }}" rel="external nofollow" class="url">{{ children_comment.username }}</a><span class="time"> @ <a href="#comment-59543" title="">{{ children_comment.date_publish | date:'Y-m-d H:i:s' }}</a></span></div>
<div></div>
<div class="body">
{{ children_comment.content }}
</div>
</div>
</li>
{% endfor %}
{% endfor %}
</ol>
【views.py】
# 获取评论信息
def article(request):
comments = Comment.objects.filter(article=article).order_by('id')
comment_list = []
for comment in comments:
for item in comment_list:
if not hasattr(item, 'children_comment'):
setattr(item, 'children_comment', [])
if comment.pid == item:
item.children_comment.append(comment)
break
if comment.pid is None:
comment_list.append(comment)
2 评论提交
<div id="commentform">
<form action="{% url 'comment_post' %}" method="post">
{% csrf_token %}
<p>{{ comment_form.author }}<label for="author">Name (required)</label></p>
<p>{{ comment_form.email }}<label for="email">Email (Will NOT be published) (required)</label></p>
<p>{{ comment_form.url }}<label for="url">URL</label></p>
<p>{{ comment_form.comment }}</p>
<p>{{ comment_form.article }}<input name="submit" type="submit" id="submit" tabindex="5" value="Submit" class="button"/></p>
</form>
</div>
【forms.py】
class CommentForm(forms.Form):
'''
评论表单
'''
author = forms.CharField(widget=forms.TextInput(attrs={"id": "author", "class": "comment_input", "required": "required", "size": "25", "tabindex": "1"}), max_length=50, error_messages={"required": "username不能为空",})
email = forms.EmailField(widget=forms.TextInput(attrs={"id": "email", "type": "email", "class": "comment_input","required": "required", "size": "25", "tabindex": "2"}),max_length=50, error_messages={"required": "email不能为空",})
url = forms.URLField(widget=forms.TextInput(attrs={"id": "url", "type": "url", "class": "comment_input","size": "25", "tabindex": "3"}),max_length=100, required=False)
comment = forms.CharField(widget=forms.Textarea(attrs={"id": "comment", "class": "message_input","required": "required", "cols": "25","rows": "5", "tabindex": "4"}),error_messages={"required": "评论不能为空",})
article = forms.CharField(widget=forms.HiddenInput())
【urls.py】
urlpatterns = [
url(r'^comment/post/$', comment_post, name='comment_post'),
]
【views.py】
def article(request):
# 评论表单
comment_form = CommentForm({'author': request.user.username,
'email': request.user.email,
'url': request.user.url,
'article': id} if request.user.is_authenticated() else{'article': id})
# 提交评论
def comment_post(request):
try:
comment_form = CommentForm(request.POST)
if comment_form.is_valid():
# 获取表单信息
comment = Comment.objects.create(username=comment_form.cleaned_data["author"],
email=comment_form.cleaned_data["email"],
url=comment_form.cleaned_data["url"],
content=comment_form.cleaned_data["comment"],
article_id=comment_form.cleaned_data["article"],
user=request.user )
comment.save()
else:
return render(request, 'failure.html', {'reason': comment_form.errors})
except Exception as e:
logging.error(e)
return redirect(request.META['HTTP_REFERER'])
3 用户注册于登陆
【forms.py】
class LoginForm(forms.Form):
'''
登录Form
'''
username = forms.CharField(widget=forms.TextInput(attrs={"placeholder": "Username", "required": "required",}), max_length=50, error_messages={"required": "username不能为空",})
password = forms.CharField(widget=forms.PasswordInput(attrs={"placeholder": "Password", "required": "required",}), max_length=20, error_messages={"required": "password不能为空",})
class RegForm(forms.Form):
'''
注册表单
'''
username = forms.CharField(widget=forms.TextInput(attrs={"placeholder": "Username", "required": "required",}), max_length=50, error_messages={"required": "username不能为空",})
email = forms.EmailField(widget=forms.TextInput(attrs={"placeholder": "Email", "required": "required",}), max_length=50, error_messages={"required": "email不能为空",})
url = forms.URLField(widget=forms.TextInput(attrs={"placeholder": "Url",}), max_length=100, required=False)
password = forms.CharField(widget=forms.PasswordInput(attrs={"placeholder": "Password", "required": "required",}), max_length=20, error_messages={"required": "password不能为空",})
【urls.py】
urlpatterns = [
url(r'^logout$', do_logout, name='logout'),
url(r'^reg', do_reg, name='reg'),
url(r'^login', do_login, name='login'),
]
【atricle.html】
{% if not request.user.is_authenticated %}
<div class='login_info'>还没有登陆？可以登录后再评论哦。<b><a href="{% url 'login' %}">»去登录</a> <a href="{% url 'reg' %}">»去注册</a></b></div>
{% else %}
<div class='login_info'><b>{{ request.user.username }}</b>,快来写点评论吧! <a href="{% url 'logout' %}">注销</a></div>
{% endif %
【views.py】
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.hashers import make_password
# 注销
def do_logout(request):
try:
logout(request)
except Exception as e:
print e
logging.error(e)
return redirect(request.META['HTTP_REFERER'])
# 注册
def do_reg(request):
try:
if request.method == 'POST':
reg_form = RegForm(request.POST)
if reg_form.is_valid():
# 注册
user = User.objects.create(username=reg_form.cleaned_data["username"],
email=reg_form.cleaned_data["email"],
url=reg_form.cleaned_data["url"],
password=make_password(reg_form.cleaned_data["password"]), )
user.save()
# 登录
user.backend = 'django.contrib.auth.backends.ModelBackend' # 指定默认的登录验证方式
login(request, user)
return redirect(request.POST.get('source_url'))
else:
return render(request, 'failure.html', {'reason': reg_form.errors})
else:
reg_form = RegForm()
except Exception as e:
logging.error(e)
return render(request, 'reg.html', locals())
# 登录
def do_login(request):
try:
if request.method == 'POST':
login_form = LoginForm(request.POST)
if login_form.is_valid():
# 登录
username = login_form.cleaned_data["username"]
password = login_form.cleaned_data["password"]
user = authenticate(username=username, password=password)
if user is not None:
user.backend = 'django.contrib.auth.backends.ModelBackend' # 指定默认的登录验证方式
login(request, user)
else:
return render(request, 'failure.html', {'reason': '登录验证失败'})
return redirect(request.POST.get('source_url'))
else:
return render(request, 'failure.html', {'reason': login_form.errors})
else:
login_form = LoginForm()
except Exception as e:
logging.error(e)
return render(request, 'login.html', locals())
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