默认安装好python之后,是没有安装requests模块的,需要单独通过pip安装
requests功能详解
总体功能的一个演示
import requests
response = requests.get...',),
103: ('checkpoint',),
122: ('uri_too_long', 'request_uri_too_long'),
200: ('ok', 'okay', 'all_ok...unordered'),
426: ('upgrade_required', 'upgrade'),
428: ('precondition_required', 'precondition'),
429: ('too_many_requests...', 'too_many'),
431: ('header_fields_too_large', 'fields_too_large'),
444: ('no_response', 'none'),
449...timeout,当把网络断掉的haul就会捕捉到ConnectionError,如果前面异常都没有捕捉到,最后也可以通过RequestExctption捕捉到