实现登陆界面逻辑

Signed-off-by: xinlin.zhang <xinlin.zhang@chukong-inc.com>
Merge remote-tracking branch 'remotes/Root/master'
add userdata form ID to get information

Signed-off-by: xinlin.zhang <xinlin.zhang@chukong-inc.com>
Merge pull request #2 from Senlern/master

Implementation of login interface logic