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                            為什么請求需要帶上header？帶上header可以模擬瀏覽器行為，欺騙服務器，方便獲取到和瀏覽器請求時一致的內容。
<br/>

一般header中會攜帶如下信息：
![](https://img.kancloud.cn/8e/52/8e52c3cb29a0bfa580b5d1d1fd79ca4b_1168x331.jpg)
其中重要的是`Cookie`、`Referer`、`User-Agent`，一般`User-Agent`是必帶的，剩余兩個信息可以根據具體情況來選擇是否需要攜帶。
```python
headers = {
            'User-Agent': 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36',
            'Cookie': 'OUTFOX_SEARCH_USER_ID=313193238@10.108.160.105; JSESSIONID=aaa7ct2Vq099Q_SufJiKx; OUTFOX_SEARCH_USER_ID_NCOO=1372802014.8122625; ___rl__test__cookies=1619355675246',
            'Referer': 'https://fanyi.youdao.com/'
        }

requests.get(url, headers=headers)
```
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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