['DATA', 'FILES', 'POST', 'QUERY_PARAMS', '__class__', '__delattr__', '__dict__',
'__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattr__',
'__getattribute__', '__gt__', '__hash__', '__init__', '__init_subclass__',
'__le__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__',
'__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__',
'__subclasshook__', '__weakref__', '_auth', '_authenticate', '_authenticator',
'_content_type', '_data', '_default_negotiator', '_files', '_full_data',
'_load_data_and_files', '_load_stream', '_not_authenticated', '_parse',
'_request', '_stream', '_supports_form_parsing', '_user', 'accepted_media_type',
'accepted_renderer', 'auth', 'authenticators', 'content_type', 'data',
'force_plaintext_errors', 'negotiator', 'parser_context', 'parsers',
'query_params', 'stream', 'successful_authenticator', 'user', 'version',
'versioning_scheme']
# 面向资源编程
https://www.shiyanlou.com/v1/books/ # 请求后端 books书籍表中数据
get
post
# 用户表
# 角色表
# 权限表
get/post/put/delete 对应关系