Django+Bootstrap+Mysql 搭建个人博客
6.1.comments插件
（1）安装
pip install django-contrib-comments
（02）settings
INSTALLED_APPS = [
'django.contrib.sites',
'django_comments',
]
SITE_ID =1
（3）website/url
url(r'^comments/', include('django_comments.urls')),
（4）修改源码
django_comments/abstracts.py第36行
原代码
site = models.ForeignKey(Site, on_delete=models.CASCADE)
修改后
site = models.ForeignKey(Site,default=None,blank=True,null=True,on_delete=models.CASCADE)
（5）修改源码
django_comments/abstracts.py第52行
修改和增加了几个字段
class CommentAbstractModel(BaseCommentAbstractModel):
""" A user comment about some object.
"""# Who posted this comment? If ``user`` is set then it was an authenticated# user; otherwise at least user_name should have been set and the comment# was posted by a non-authenticated user.user = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name=_('user'),
blank=True, null=True, related_name="%(class)s_comments",
on_delete=models.SET_NULL)
# Explicit `max_length` to apply both to Django 1.7 and 1.8+.user_email = models.EmailField(_("user's email address"), max_length=254,
blank=True,null=True,default='xxx@xxx.com')
user_url = models.URLField(_("user's URL"), blank=True,null=True,default='https://xxx.xxx.xxx.xxx')
user_name = models.CharField(_("user's name"), max_length=50, blank=True)
user_img = models.ImageField(upload_to="user_images", blank=True,null=True,verbose_name="用户图像")
comment_title = models.CharField(max_length=256,default="无标题", blank=True,null=True,verbose_name="评论标题")
parent_comment = models.ForeignKey('self',default=None, blank=True,null=True,related_name="child_comment",on_delete=models.CASCADE)
level= models.PositiveIntegerField(default=0, blank=True,null=True,verbose_name='评论层级') comment = models.TextField(_('comment'), max_length=COMMENT_MAX_LENGTH)
.
.
.
.
（6）修改源码
django_comments/admin.py第29和37行
_('Content'),
{'fields': ('user','user_name','user_email','user_url','comment','comment_title','parent_comment')}
list_display = ('comment_title','name','content_type','object_pk','ip_address','submit_date','is_public','is_removed')
（7）修改源码
django_comments/forms.py第97行表单
class CommentDetailsForm(CommentSecurityForm):
"""
Handles the specific details of the comment (name, comment, etc.).
"""# name = forms.CharField(label=pgettext_lazy("Person name", "Name"), max_length=50)# email = forms.EmailField(label=_("Email address"))# url = forms.URLField(label=_("URL"), required=False)# Translators: 'Comment' is a noun here.comment = forms.CharField(label=_('Comment'), widget=forms.Textarea,
max_length=COMMENT_MAX_LENGTH)
comment_title = forms.CharField(max_length=256,label=_('标题'))
parent_id = forms.IntegerField(min_value=-1,label=_('父评论的id'))
level = forms.IntegerField(min_value=0,label=_('层级'),)
.
.
.
defget_comment_create_data(self, site_id=None):
""" Returns the dict of data to be used to create a comment. Subclasses in
custom comment apps that override get_comment_model can override this
method to add extra fields onto a custom comment model.
""" parent_id = self.cleaned_data['parent_id']
ifparent_id <= 0:
parent = None
_level = self.cleaned_data['level']
else:
parent = get_model().objects.get(id=parent_id)
_level = self.cleaned_data['level'] + 4# 4是缩进return dict(
content_type=ContentType.objects.get_for_model(self.target_object),
object_pk=force_text(self.target_object._get_pk_val()),
# user_name=self.cleaned_data["name"],# user_email=self.cleaned_data["email"],# user_url=self.cleaned_data["url"],comment_title = self.cleaned_data['comment_title'],
parent_comment = parent,
level = _level,
comment=self.cleaned_data["comment"],
submit_date=timezone.now(),
site_id=site_idorgetattr(settings,"SITE_ID", None),
is_public=True,
is_removed=False,
)
（8）修改源码
django_comments/views/comments.py第97行表单
52行
# 添加ifnotrequest.session.get('login', None)andnot user_is_authenticated:
returnredirect("/")
116行
# if user_is_authenticated:# comment.user = request.user#添加ifrequest.session.get('login',None):
comment.user_name = request.session['screen_name']
comment.user_img = request.session['profile_image_url']
以上都修改完后
python manage.py makemigtations
python manage.py migrate
6.2.评论表单
detail.html
{% get_comment_formforentry as form %}
{% get_comment_countforentry as comment_count %}
评论总数： {{ comment_count }}
{% csrf_token %}
评论标题: 评论内容: {{ form.honeypot }} {{ form.content_type }}
{{ form.object_pk }}
{{ form.timestamp }}
{{ form.security_hash }}
重置 评论
效果：
现在测试评论，可以添加成功，但是还不能显示
6.3.显示评论
（1）views.py
fromdjango_comments.modelsimport Commentdef detail(request,blog_id):
# entry = models.Entry.objects.get(id=blog_id)entry = get_object_or_404(models.Entry,id=blog_id)
md = markdown.Markdown(extensions=[
'markdown.extensions.extra',
'markdown.extensions.codehilite',
'markdown.extensions.toc',
])
entry.body = md.convert(entry.body)
entry.toc = md.toc
entry.increase_visiting()
comment_list = list()
def get_comment_list(comments):
forcommentin comments:
comment_list.append(comment)
children = comment.child_comment.all()
iflen(children) > 0:
get_comment_list(children)
top_comments = Comment.objects.filter(object_pk=blog_id, parent_comment=None,
content_type__app_label='blog').order_by('-submit_date')
get_comment_list(top_comments)
returnrender(request,'blog/detail.html', locals())
（2）detail.html
{% get_comment_form for entry as form %}
{% get_comment_count for entry as comment_count %}
评论总数： {{ comment_count }}
{# 评论表单#}
{% if request.session.login or request.user.is_authenticated %}
{% csrf_token %}
评论标题： 评论内容: {{ form.honeypot }} {{ form.content_type }}
{{ form.object_pk }}
{{ form.timestamp }}
{{ form.security_hash }}
重置 评论 {% else %}
登陆后才可以评论
{% endif %}
{# 评论显示区#}
{% for comment in comment_list %}
{% if comment.user_img %}
{{ comment.comment_title }} {% if comment.parent_comment %}
{{ comment.user_name }}{{ request.user }}
{{ comment.parent_comment.user_name }}{{ request.user }}
{% else %}
By {{ comment.user_name }}{{ request.user }}
On {% endif %}
{{ comment.submit_date }} {% if request.session.login or request.user.is_authenticated %}
回复 {% endif %}
{{ comment.comment }}
{% endfor %}
（3）static/blog/images/cl.jpg
设置默认图片（如果没有登录就显示默认图片，为了测试评论）
（4）blog/blog_comment.css
hr { border-top: 1px solid lightgrey; border-bottom: 1px solid #fff;}.single_comment { margin-bottom: 20px; font-family: "Microsoft Yahei","微软雅黑",Arial,Helvetica,STHeiti,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";}.single_comment img { width:50px; height:50px; border-radius:50%; overflow:hidden; float: left; margin-left: 10px; margin-top: 5px;}.single_comment p { margin-bottom: 0;}.comment-content { border-bottom: 1px dashed lightgrey; border-left: 1px dashed #2d7da4; padding-bottom: 5px;}
detail.html引用
{% block css %}
{% endblock %}
效果：
6.4.评论回复
（1）blog/urls.py
url(r'^reply/(?P\d+)/$', views.reply, name='comment_reply'),
（2）views.py
fromdjango_commentsimport models as comment_modelsdef reply(request, comment_id):
ifnotrequest.session.get('login', None)andnot request.user.is_authenticated():
returnredirect('/')
parent_comment = get_object_or_404(comment_models.Comment, id=comment_id)
returnrender(request,'blog/reply.html', locals())
（3）blog/reply.html
{% extends'blog/base.html'%}
{% load comments %}
{% load static %}
{% block title %}回复评论{% endblock %}
{% block css %}
{% endblock %}
{% block content %}
{%ifrequest.session.login %}
{{ parent_comment.comment_title }} {{ parent_comment.username }} {{ request.user }} {{ parent_comment.submit_date }}
{{ parent_comment.comment }}
{%ifrequest.session.loginorrequest.user.is_authenticated %}
回复 {{ parent_comment.username }}{{ request.user }} 的评论：
{% get_comment_formforparent_comment.content_object as form %}{% csrf_token %}
评论标题： 评论内容: {{ form.honeypot }} {{ form.content_type }}
{{ form.object_pk }}
{{ form.timestamp }}
{{ form.security_hash }}
重置 评论 {%else%}
登陆后才可以评论
{% endif %}
（4）detail.html
测试回复功能如下：
