核心代码是:

browser.execute_cdp_cmd('network.setuseragentoverride', {
        "useragent": "mozilla/5.0 (windows nt 6.3; wow64) applewebkit/537.36 (khtml, like gecko) chrome/41.0.2226.0 safari/537.36",
        "platform": "windows"})

使用示例:

import time

from selenium import webdriver

if __name__ == '__main__':
    option = webdriver.chromeoptions()
    option.add_argument('lang=zh_cn.utf-8')  # 设置
    browser = webdriver.chrome(chrome_options=option)
    browser.get("https://www.baidu.com")
    print(browser.execute_script("return navigator.useragent")) # 打印当前的useragent

    # 动态调整useragent
    time.sleep(3)
    browser.execute_cdp_cmd('network.setuseragentoverride', {
        "useragent": "mozilla/5.0 (windows nt 6.3; wow64) applewebkit/537.36 (khtml, like gecko) chrome/41.0.2226.0 safari/537.36",
        "platform": "windows"})
    print(browser.execute_script("return navigator.useragent"))
    browser.get("https://www.baidu.com")

打印结果:

mozilla/5.0 (macintosh; intel mac os x 10_15_7) applewebkit/537.36 (khtml, like gecko) chrome/97.0.4692.99 safari/537.36
mozilla/5.0 (windows nt 6.3; wow64) applewebkit/537.36 (khtml, like gecko) chrome/41.0.2226.0 safari/537.36

第一行是我的chrome原始的header,第二行是修改后的header

并且可以在浏览器的header里看到:

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