installation steps:
- clone git repository to local
- import project to eclipse
- set project properties, encode to utf-8, jdk
- update configuration files, mvn clean build
- copy and deploy infos.war to a web server
visit: http://localhost:$port?id=XXX&n=YYYY&d=ZZZZ&t=aaaa
id: id string from portal application, not use n: name of user d: department of user t: timestamp