开发者学堂课程【Java Web项目实战2：图书商城：用户模块之退出功能】学习笔记，与课程紧密联系，让用户快速学习知识。

课程地址：https://developer.aliyun.com/learning/course/35

用户模块之退出功能

1.退出流程：top.jsp→ Userservlet进quit()→ login.jsp

quit()：把session 销毁!

2.public class UserServlet extends BaseServlet {

private UserService userService = new UsersService();

/**

*退出功能

*@param request

*@param response

* @return

* @throws ServletException

* throws IOException

*/

public String quit(HttpServletRequest request,HttpservletResponse response)

throws ServletException,IOException{

request.getSession().invalidate();

return "r:/index.jsp";

}