https post问题求助

pkwwfpkwwf

https://passport.360buy.com/new/LoginService.aspx?uuid=a6b3da65-6f62-44b4-b757-7c657a8ae8f4&ReturnUrl=http%3A%2F%2Fwww.360buy.com%2F&r=0.7711904570186641

https://passport.360buy.com/new/LoginService.aspx?uuid=78bc7a80-4010-42d2-8f13-947e06a01b6e&ReturnUrl=http%3A%2F%2Fwww.360buy.com%2F&r=0.8938792514725609

post的数据变值
提交数据是loginname=账号&loginpwd=密码&authcode=&chkRememberUsername=on



发包数据分析：如下
POST /new/LoginService.aspx?uuid=1d23c476-b54c-40c0-b818-33802237c621&ReturnUrl=http%3A%2F%2Fwww.360buy.com%2F&r=0.04338451705776508 HTTP/1.1x-requested-with: XMLHttpRequestAccept-Language: zh-cnReferer: https://passport.360buy.com/new/login.aspx?ReturnUrl=http%3A%2F%2Fwww.360buy.com%2FAccept: */*Content-Type: application/x-www-form-urlencoded; charset=utf-8Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)Host: passport.360buy.comContent-Length: 68Connection: Keep-AliveCache-Control: no-cacheCookie: JSESSIONID=B936F3DF0E352271251ED897899C55C6.s1; alc="b7HV0WnvUgXm89/V5QdWww=="; __utma=97936925.2002829104.1333335625.1333335625.1333335625.1; __utmb=97936925.1.10.1333335625; __utmc=97936925; __utmz=97936925.1333335625.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)
loginname=账号&loginpwd=密码&authcode=&chkRememberUsername=on

pkwwfpkwwf

如何？？用语言POST登陆呢。。。和http很大区别啊