50精币求防沉迷POST中K值的计算方法！

阿里哥哥

如果，POST提交信息时，每个QQ的K值都不同。这是怎么得到的？
以下是抓包信息，K值会随着QQ的变化而变动，如果K值不对，POST会提示需要登录。希望高手帮忙...


GET /cgi-bin/jkyx/cgi_jkyx_add.cgi?txtRealName=%E4%BD%95%E6%85%A7%E4%BA%91&txtIDCode=610501197604283101&province=61&city=5&txtAddress=%20&txtBirthday=&txtCardType=0&k=1765056098 HTTP/1.1
Accept: */*
Referer: http://jkyx.qq.com/web2010/authoriz.htm
Accept-Language: zh-CN
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C)
Host: app.jkyx.qq.com
Connection: Keep-Alive
Cookie: pt2gguin=o1764932642; RK=5jjKlGGDF3; pgv_pvid=4666210640; ptui_loginuin=1764932642; ac=1,030,008; pgv_info=pgvReferrer=&ssid=s8564273968; ptisp=cnc; uin=o1764932642; skey=@zQ9bHYqRp; IED_LOG_INFO2=userUin%3D1764932642%26nickName%3D7caiba%26userLoginTime%3D1353562338

阿里哥哥

自己搞定.........................