def response(asock, data, address):
"""定义反应行为，如果接收到信息为KEYWORD，发回日记历史，否则则将信息记入日记"""
if data == 'q':
back_message = alan_diary.get_text()
sent = asock.sendto(back_message, address)
print '发回{}字节信息给{}'.format(sent, address)
else:
alan_diary.append_text(data)
def do_write():
input_md = request.forms.get("input_md") # 抓取form里提交的数据
append_text(input_md) # 将数据写入log文件
mydiary = get_text()
return template("write", diary=mydiary)