python requests使用
时间: 2024-10-18 20:01:09 浏览: 37
Python中的requests库是一个非常流行的HTTP客户端库,它简化了发送HTTP请求的过程。通过requests模块,你可以轻松地执行常见的网络操作,如GET、POST、PUT、DELETE等,并处理响应数据,包括JSON、HTML等。
以下是基本的使用步骤:
1. 首先,你需要安装requests库,可以使用pip命令进行安装:
```bash
pip install requests
```
2. 导入requests库:
```python
import requests
```
3. 发送GET请求:
```python
response = requests.get('https://api.example.com/data')
```
这会返回一个Response对象,包含了服务器的响应信息。
4. 获取响应内容:
```python
data = response.text # 对于文本响应,如HTML或纯文本
json_data = response.json() # 对于JSON格式的响应
```
5. 可以设置额外的头信息或携带数据发送POST请求:
```python
payload = {'key': 'value'}
headers = {'Content-Type': 'application/json'}
response = requests.post('https://api.example.com/submit', json=payload, headers=headers)
```
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