CAS退出默认是转向CAS内置的退出页面,在实际应用中需要跳转到自己指定的页面。退出转向决定于org.jasig.cas.web.LogoutController,我们看一下原代码。
protected ModelAndView handleRequestInternal( final HttpServletRequest request, final HttpServletResponse response) throws Exception { final String ticketGrantingTicketId = this.ticketGrantingTicketCookieGenerator.retrieveCookieValue(request); final String service = request.getParameter("service"); if (ticketGrantingTicketId != null) { this.centralAuthenticationService .destroyTicketGrantingTicket(ticketGrantingTicketId); this.ticketGrantingTicketCookieGenerator.removeCookie(response); this.warnCookieGenerator.removeCookie(response); } if (this.followServiceRedirects && service != null) { return new ModelAndView(new RedirectView(service)); } return new ModelAndView(this.logoutView); }
可以看出,当this.followServiceRedirects && service != null时才会跳转到自己指定的view,service应该都比较熟悉了,它是客户传的参数,
指定cas中心转向哪里,但我们仅仅传 service 还是不行的,还需要把 followServiceRedirects属性设为true,下面看看如何修改这个属性
修改cas-servlet.xml配置文件中的logoutController,新增属性p:followServiceRedirects="true", 修改后如下: