def post(self, request):
result = CommentForm(request.POST)
ret = result.is_valid()
response = BaseResponse()
if ret:
blog_id = result.cleaned_data['commentBlog']
blog = Blog.objects.get(pk=blog_id)
user = request.session['user']
result.cleaned_data['commentBlog'] = blog
result.cleaned_data['commentUser'] = user
BlogComment.objects.create(**result.cleaned_data)
if not result.cleaned_data['reply']:
# 此处不能使用update,这也说明了为什么在使用update的时候,前面必须使用filter而不能使用get了,总结说从使用情境上看，update更加适用于批量数据更新，而save则更适合当然也只适合做单条记录的数据更新操作了,当然从SQL的执行情况来看,使用upate是要优于save方式的
# blog.update(commentTotal=F('commentTotal') + 1)
blog.commentTotal = blog.commentTotal + 1
blog.save()
response.status = True
return HttpResponse(json.dumps(response.__dict__,
cls=JsonCustomEncoder),
content_type='application/json')
else:
response.message(result.errors.as_data())
return HttpResponse(json.dumps(response.__dict__,
cls=JsonCustomEncoder),
content_type='application/json')
def get(self, request, blog_id):
response = BaseResponse()
try:
Blog.objects.filter(pk=blog_id).update(favorTotal=F('favorTotal') +
1)
response.status = True
except Exception as e:
print(e)
return HttpResponse(json.dumps(response.__dict__),
content_type="application/json")
def get(self, request, blog_id):
response = BaseResponse()
try:
# update更新时不能使用get方法会报错（'Blog' object has no attribute 'update'）使用filter方法
Blog.objects.filter(pk=blog_id).update(readTotal=F('readTotal') +
1)
response.status = True
except Exception as e:
print(e)
return HttpResponse(json.dumps(response.__dict__),
content_type="application/json")
def get(self, request, blog_id):
response = BaseResponse()
try:
blog = Blog.objects.get(pk=blog_id)
comment_query_set = BlogComment.objects.filter(commentBlog=blog)
comment_query_list = transform_comment(comment_query_set)
comment_tree = build_tree(comment_query_list)
response.status = True
response.data = comment_tree
except Exception as e:
print(e)
return HttpResponse(json.dumps(response.__dict__, ensure_ascii=False),
content_type='application/json')
def post(self, request):
result = BlogForm(request.POST)
ret = result.is_valid()
response = BaseResponse()
if ret:
classification_id = result.cleaned_data['classification']
classification = BlogClassification.objects.get(pk=classification_id)
result.cleaned_data['classification'] = classification
result.cleaned_data['createUser'] = request.session['user']
Blog.objects.create(**result.cleaned_data)
response.status = True
return HttpResponse(json.dumps(response.__dict__, cls=JsonCustomEncoder), content_type='application/json')
else:
response.message(result.errors.as_json())
return HttpResponse(json.dumps(response.__dict__, cls=JsonCustomEncoder), content_type='application/json')
def valid_username(request):
if request.method == 'GET':
username = request.GET.get('username')
users = User.objects.filter(username=username)
# https://code.ziqiangxuetang.com/django/django-queryset-api.html
response = BaseResponse()
if not users.exists():
response.status = True
return HttpResponse(json.dumps(response.__dict__,
cls=JsonCustomEncoder,
ensure_ascii=False),
content_type="application/json")
else:
response.summary = '用户名已存在'
return HttpResponse(json.dumps(response.__dict__,
cls=JsonCustomEncoder,
ensure_ascii=False),
content_type="application/json")
def post(self, request):
result = RegisterForm(request.POST)
ret = result.is_valid()
response = BaseResponse()
if ret:
response.status = True
return HttpResponse(json.dumps(response.__dict__,
ensure_ascii=False),
content_type="application/json")
else:
# 错误返回json
print(result.errors)
error = result.errors.as_json()
# error = result.errors.as_data()
response.message = result.errors.as_json()
return HttpResponse(json.dumps(response.__dict__,
ensure_ascii=False),
content_type="application/json")
def post(self, request):
remember_me = request.POST.get('rememberMe')
result = LoginForm(request.POST)
vcode = request.session['CheckCode']
# 如果所有规则都满足，则ret为true，只要有一条不满足，ret就为false。
ret = result.is_valid()
# 在此我注释以下代码是因为我在from表单进行校验时,删除了数据中的 验证码的key，在此获取用户输入的信息的时候，会报找不到key的错误
# result.clean() # 就是获取到的用户输入信息,但必须放在is_valid方法后,否则报object has no attribute 'cleaned_data'异常
# data = result.clean()
# print(data)
if ret:
user = result.cleaned_data
# print("登陆成功，当前登陆人是：", user.__dict__['username'])
print("登陆成功，当前登陆人是：", user['username'])
# request.session['user'] = user #这个地方保存的session只是一个字典对象(而且这个字典对象内的key跟实体对象的字段也不一致,不能用来做数据库过滤条件),不能用于反向查询
request.session['user'] = User.objects.get(
username=user['username'])
if remember_me: # 记住我,设定过期时间在1个月之后
request.session.set_expiry(2592000)
# return redirect("/blog/index/")
response = BaseResponse()
response.status = True
# 通过dumps()方法中的cls函数,添加自定义的处理函数,其中 ensure_ascii参数表示序列化时对中文使用哪种编码，默认为True使用ascii编码,而通用的基本使用unicode编码，所以此项设置为False,以避免中文序列化的显示问题
return HttpResponse(json.dumps(response.__dict__,
cls=JsonCustomEncoder,
ensure_ascii=False),
content_type="application/json")
else:
# form.errors: 获取错误信息,表单的错误以字典形式返回(如果有多个错误, 可以循环这个字典, 然后传给前端)
print(result)
print(result.errors)
print(result.errors.as_json())
# return render(request, "login.html", {'err': result})
response = BaseResponse()
response.message = result.errors.as_json()
return HttpResponse(json.dumps(response.__dict__,
cls=JsonCustomEncoder,
ensure_ascii=False),
content_type="application/json")