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[求助] 登陆问题,浏览器是如何知道下一次请求网址的?

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发表于 2016-1-18 16:49:54 | 显示全部楼层 |阅读模式
输入https://account.xiaomi.com/pass/serviceLogin?回车,居然连续发送了4次请求!如图:
004.png
我的疑问是浏览器是访问https://account.xiaomi.com/pass/serviceLogin?
是如何知道下一次请求网址(https://account.xiaomi.com/pass/ ... p;_dc=1453106363536)的?


另外每次清楚cookie后访问https://account.xiaomi.com/pass/serviceLogin?,第二个请求https://account.xiaomi.com/pass/ ... p;_dc=1453106363536,中的dc=***************会变,这个dc值是浏览器自已自动产生的还是
服务器分配的?如果是分本的话。它是怎么告诉浏览器的?我看了看response全文里没提及dc=


response原文如下:
  • Cache-Control:
    no-cache
  • Cache-Control:
    no-cache
  • Cache-Control:
    no-cache
  • Connection:
    keep-alive
  • Content-Encoding:
    gzip
  • Content-Type:
    text/html; charset=UTF-8
  • Date:
    Mon, 18 Jan 2016 08:39:21 GMT
  • Expires:
    Thu, 01 Dec 1994 16:00:00 GMT
  • Server:
    Tengine
  • Set-Cookie:
    cUserId=EXPIRED; domain=.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    JSESSIONID=aaaLvlmzOpXrt9Ff7a2iv; path=/
  • Set-Cookie:
    deviceId=wb_68a8a6f2-3deb-45c5-ba58-a8a37693af94; domain=account.xiaomi.com; path=/; expires=Sat, 05-Feb-2084 11:53:28 GMT
  • Set-Cookie:
    userId=EXPIRED; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    userId=EXPIRED; domain=account.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    userId=EXPIRED; domain=.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    userId=EXPIRED; domain=account.xiaomi.com; path=/pass/auth; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    userId=EXPIRED; domain=.xiaomi.com; path=/pass/auth; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    serviceToken=EXPIRED; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    serviceToken=EXPIRED; domain=.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    serviceToken=EXPIRED; domain=account.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    serviceToken=EXPIRED; path=/pass/auth; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    serviceToken=EXPIRED; domain=account.xiaomi.com; path=/pass/auth; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    serviceToken=EXPIRED; domain=.xiaomi.com; path=/pass/auth; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    cUserId=EXPIRED; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    uLocale=zh_CN; domain=.xiaomi.com; path=/; expires=Tue, 02-Feb-2016 08:39:21 GMT
  • Set-Cookie:
    cUserId=EXPIRED; domain=account.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    cUserId=EXPIRED; domain=account.xiaomi.com; path=/pass/auth; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    cUserId=EXPIRED; domain=.xiaomi.com; path=/pass/auth; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    passToken=EXPIRED; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    passToken=EXPIRED; domain=account.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    passToken=EXPIRED; domain=account.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    continue=EXPIRED; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    sns_type=EXPIRED; domain=.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    sns_weixin_openId=EXPIRED; domain=.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    sns_weixin_openId=EXPIRED; domain=account.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    etao_qs=EXPIRED; domain=account.xiaomi.com; path=/; expires=Thu, 01-Dec-1994 16:00:00 GMT
  • Set-Cookie:
    pass_trace=zCzdrInwyxJaQHgLajqLI0ylcUPl3kV28C/MgBLW4JaQYgbyHpfrBauDBL6Zj6Q7pA+cmMLbFUT8WImgbkjHk/sfesaxSSmkUliqdLpsFKFDWfeeguhuK5/QjyuVoTeB; domain=account.xiaomi.com; path=/; expires=Sat, 05-Feb-2084 11:53:28 GMT
  • Strict-Transport-Security:
    max-age=7
  • Transfer-Encoding:
    chunked
  • X-Frame-Options:
    SAMEORIGIN






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发表于 2016-1-18 23:16:14 | 显示全部楼层
js写的
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