Java 实现的单点登陆系统，实现客户端的单点登陆系统。-Java implementation of the single sign-on system to achieve the client' s single sign-on system.

用于测试CAS单点登录的java程序客户端，jar包已经配好，只需修改web.xml中对应的测试地址即可测试使用-Java program used to test the CAS single sign-on client jar package with only a modification of the address can be tested using the corresponding test in the web.xml