shiro无密码登陆

转载地址：http://blog.csdn.net/menghuannvxia/article/details/50204123
public void loginByNoPassWord(HttpServletRequest request,HttpServletResponse response,ShiroUser shiroUser){
        PrincipalCollection principals = new SimplePrincipalCollection(shiroUser, "ssoUser");    
        Builder builder = new WebSubject.Builder(request,response);    
        builder.principals(principals);    
        builder.authenticated(true);    
        WebSubject subject = builder.buildWebSubject();    
        ThreadContext.bind(subject);
    }

其中shiroUser为shiro的ShiroDbRealm中保存的类