一、requests基本使用

落日映苍穹つ 2023-06-08 06:21 40阅读 0赞

# -*- coding: utf-8 -*-
    import requests
    print("=============== GET请求==================")
    #
    url = "http://httpbin.org/"
    r = requests.get(url+"get")
    print(r.status_code, r.reason)
    print(r.text)
    # 带参数 GET请求
    r = requests.get(url+"get", params={"a": "1", "b": "2"})
    print("=============== POST请求==================")
    
    r = requests.post(url+"post", data={"a": "1"})
    print(r.json())
    print("=============== 自定义headers请求==================")
    ua = "Win7:Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20100101 Firefox/6.0"
    header = {"User-Agent": ua}
    r = requests.get(url+"headers", headers=header)
    print(r.json())
    print("=============== 带cookies的请求==================")
    cookies = dict(userid="123456", token="xxxxxx")
    r = requests.get(url+"cookies", cookies=cookies)
    print(r.json())
    
    print("=============== Basic-auth认证的请求==================")
    r = requests.get(url+"basic-auth/guye/123456", auth=("guye","123456"))
    print(r.text)
    print(r.json())
    
    print("=============== 主动抛出状态码status的异常==================")
    bad_r = requests.get(url+"status/404")
    print(bad_r.status_code)
    # 主动抛出异常,400- 600之间状态码
    # bad_r.raise_for_status()
    print("=============== 检查会话Session中的cookies==================")
    # 使用request。session对象请求
    # 创建一个session对象
    s = requests.Session()
    # session对象会保存服务器返回的set-cookies头信息里面的内容
    s.get(url+"cookies/set/userid/123456789")
    r1 = s.get(url+"cookies/set/token/xxxx")
    print(r1.json())
    # 下一次请求cookies将本地所有的cookies信息自动添加到请求头信息里面
    r = s.get(url+"cookies")
    print(r.json())
    # s.close()
    print("=============== 在requests中使用代理==================")
    # 不适用代理
    print(requests.get(url+"ip").json())
    # 使用代理
    # print(requests.get(url+"ip",proxies={"http": "http://iguye.com:41801"}).json())
    print("=============== timeout超时等待时间===============")
    r = requests.get(url, timeout=5)
    print("=============== delay延时加载===============")
    # delay时间大于等于timeout时会报错
    r = requests.get(url+"delay/4", timeout=5)
    print(r.text)
    
    
    
    
    
    r.close()