def release():
user = UserInfo.query.get(session['user_id'])
category_list = NewsCategory.query.all()
try:
# 有带新闻参数的get方式请求,认为是修改新闻的请求
news_id = int(request.args.get('news_id'))
news = NewsInfo.query.get(news_id)
except:
news = None
if request.method == 'GET':
# news为NewsInfo对象或者None,当为None时,模板中即不显示值
return render_template('news/user_news_release.html',
category_list=category_list,
news=news)
elif request.method == 'POST':
dict1 = request.form
title = dict1.get('title')
category_id = int(dict1.get('category'))
summary = dict1.get('summary')
context = dict1.get('content')
try:
__news_pic = request.files.get('news_pic')
news_picname = pic1(__news_pic)
except:
# 用户没有上传图片,则存值空字符串
news_picname = ''
if not all((title, category_id, summary, context)):
# html中存在要用到news的html,错误信息回传时,也需要传news对象
return render_template('news/user_news_release.html',
category_list=category_list,
error_info='您的内容没有填写完整哦',
news=news)
try:
if news:
# 如果是修改操作,不用传用户id,
news.update_time = datetime.now()
else:
news = NewsInfo()
news.user_id = user.id
# 如果获取到了上传的图片文件,就上传或者修改
if news_picname:
news.pic = news_picname
news.title = title
news.category_id = category_id
news.summary = summary
news.status = 1
news.context = context
db.session.add(news)
db.session.commit()
# 数据添加成功后默认去到新闻列表页
return redirect('/user/list')
except:
return render_template('news/user_news_release.html',
category_list=category_list,
error_info='服务器出错',
news=news)
def release():
# 查询所有的分类，供编辑人员选择
category_list = NewsCategory.query.all()
# 接收新闻的编号, 为了确认是创建还是修改
news_id = request.args.get('news_id')
if request.method == 'GET':
if news_id is None:
# 展示页面
return render_template('news/user_news_release.html',
category_list=category_list,
news=None)
else:
# 如果有新闻编号存在，则进行修改操作，所以需要查询到原新闻并展示
news = NewsInfo.query.get(int(news_id))
return render_template('news/user_news_release.html',
category_list=category_list,
news=news)
elif request.method == 'POST':
# 新闻的添加处理
# 1.接收请求
dict1 = request.form
title = dict1.get('title')
category_id = dict1.get('category')
summary = dict1.get('summary')
content = dict1.get('content')
# 接收新闻图片
news_pic = request.files.get('news_pic')
if news_id is None:
# 2.验证
if not all([title, category_id, summary, content, news_pic]):
return render_template('news/user_news_release.html',
category_list=category_list,
msg='请将数据填写完整')
else:
if not all([title, category_id, summary, content]):
return render_template('news/user_news_release.html',
category_list=category_list,
msg='请将数据填写完整')
# 上传图片到七牛云, 修改文章内容的时候，默认不改图片，检查一下到底要不要改
if news_pic:
from utils.qiniu_xjzx import upload_pic
filename = upload_pic(news_pic)
# 3.添加
if news_id is None:
news = NewsInfo()
else:
news = NewsInfo.query.get(news_id)
news.category_id = int(category_id)
if news_pic:
news.pic = filename
news.title = title
news.summary = summary
news.content = content
news.status = 1
news.update_time = datetime.now()
news.user_id = session['user_id']
# 4.提交
db.session.add(news)
db.session.commit()
# 5.响应
return redirect('/user/newslist')