Scanner in = new Scanner(System.in);

String username = in.next();

System.out.print("输入密码:");

String password = in.next();

try {

// 本地认证

String cookie = postLogin(username, password);

if (cookie == null) {

return null;

}

// 服务器远程认证

String url = getLogin2(cookie);

if (url == null) {

return null;

}

// 远程访问认证

String cookie2 =

getLogin3(url.substring("".length())); // System.out.println(cookie2);

return cookie2;

} catch (Exception ex) {

ex.printStackTrace();

return null;

}

}

private static String postLogin(String username, String password) throws Exception {

Socket socket = new Socket("", 80);

try {

StringBuilder sb = new StringBuilder();

sb.append("POST /signin?f=out HTTP/1.1\r\n");

sb.append("Host: \r\n");

sb.append("User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3\r\n");

sb.append("Accept:

text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n"); sb.append("Accept-Language: zh-cn,zh;q=0.5\r\n");

sb.append("Accept-Encoding: gzip,deflate\r\n");

sb.append("Accept-Charset: GB2312,utf-8;q=0.7,*;q=0.7\r\n"); sb.append("Referer: /3rdServices/50hero\r\n");

sb.append("Content-Type:

application/x-www-form-urlencoded\r\n");

String data =