user =self.get_body_argument('username')
password=self.get_body_argument('password')
typeid =self.get_body_argument('typeid')
author =self.get_body_argument('author')
custom =self.get_body_argument('custom')
printuser,password,typeid,author,custom
取图片
send_file_body =self.request.files['picture'][0]
