参见:
http://www.cnblogs.com/yan5lang/archive/2010/09/25/1834364.html
tomcat配置摘要认证:
参见:
http://blog.csdn.net/stsahana/article/details/53188695
tomcat配置Basic Authentication:
参见:
http://blog.csdn.net/feng88724/article/details/7164983
参见:
http://blog.csdn.net/kongxx/article/details/50911018