python requests params

参数和data有什么区别？

在python requests库的request()函数中，params和data都是可选参数，用于向服务器发送请求时传递参数的。区别如下：

params参数用于GET请求，将参数以键值对的形式添加到URL的末尾。例如，使用params参数可以向百度搜索发送一个GET请求，搜索关键词为'python'，示例代码如下：

import requests
r = requests.get(url='http://dict.baidu.com/s', params={'wd': 'python'})

data参数用于POST请求，将参数以字典的形式作为请求的主体发送到服务器。例如，向百度贴吧发送一个POST请求，搜索关键词为'python'，并且显示结果的页数为2，示例代码如下：

import requests
from fake_useragent import UserAgent

url = 'http://tieba.baidu.com/f?' # 基准url地址
data = {"kw": "python", "pn": 50} # data参数
headers = {'User-Agent': UserAgent().random} # headers参数

html = requests.post(url=url, data=data, headers=headers, verify=False).text # 发送POST请求
print(html) # 打印响应内容

总结来说，params参数适用于GET请求，将参数添加到URL的末尾；data参数适用于POST请求，将参数作为请求的主体发送到服务器。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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