学习抓包,分析,实现登陆(c#)

普通的模拟登陆.
http://cp.wanlitong.com/?act=management
网址是这个
登陆的action http://www.wanlitong.com/mobileapi/wltLogin.do得到的json
{"message":"欢迎您1806414XXXX,登录成功！","result":{"loginId":"1806414XXXX","availPoints":"460","userMobile":"1806414XXXX","userEmail":null,"memberId":"010000056964867","messageCount":"1"},"statusCode":"0000"}