@Test
public?void?test(){
????DefaultSecurityManager?defaultSecurityManager=new?DefaultSecurityManager();
????SimpleAccountRealm?simpleAccountRealm=new?SimpleAccountRealm();
????simpleAccountRealm.addAccount("chen","123");
????simpleAccountRealm.addAccount("li","123");
????defaultSecurityManager.setRealm(simpleAccountRealm);
????SecurityUtils.setSecurityManager(defaultSecurityManager);
????Subject?subject=SecurityUtils.getSubject();
????UsernamePasswordToken?usernamePasswordToken=new?UsernamePasswordToken("chen","123");
????UsernamePasswordToken?usernamePasswordToken1=new?UsernamePasswordToken("li","123");
????subject.login(usernamePasswordToken);
????subject.login(usernamePasswordToken1);
????System.out.println(subject.isAuthenticated());
????subject.logout();
????System.out.println(subject.isAuthenticated());
}