获取请求消息中所有头字段(马亦飞)

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host : www.duzhaojiang.cn:8080
connection : keep-alive
upgrade-insecure-requests : 1
user-agent : Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 Edg/124.0.0.0
accept : text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
referer : http://www.duzhaojiang.cn:8080/ch04_du/
accept-encoding : gzip, deflate
accept-language : zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6
cookie : JSESSIONID=6786B3402F1A30247530F8C490A4B51F; td_cookie=2686595390; td_cookie=2685734231