def post(self):
words = self.get_argument("words", "") # 用户的留言
find_words = self.get_argument("find_words", "") # 模糊查询的字符串
dele_by_time = self.get_argument("dele_by_time", "") # 删除键所上传的，所需删除的留言的时间
history_time = time.strftime("%Y-%m-%d %X", time.localtime()) # 获取当前时间，与用户留言一起存入数据库
words_query = Board.get_all() # 获取所有留言
user_key = self.get_secure_cookie("u")
user = User.get_by_key(user_key) # 凭key找到当前用户
if find_words: # 模糊查询
find_words_query = Board.get_by_words(find_words)
else:
find_words_query = []
if words:
username = user.username
Board.new(username, words, history_time)
if dele_by_time:
if user.is_admin(): # 如果不是admin用户将无法删除
Board.dele_by_time(dele_by_time)
else:
self.messages.error("您没有删除权限！")
self.render("board.html", words_query=words_query, find_words_query=find_words_query)
def get(self):
self.prepare()
words_query = Board.get_all() # 获得所有留言
self.render("board.html", words_query=words_query, find_words_query=[]) # 此处不赋值为空，将报错未定义变量