public String regist(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
System.out.println("regist()...");//
return "/index.jsp";//表示转发到Index.jsp
//return "f:/index.jsp" //f前缀表示forward,即转发
//return "r:/index.jsp" //r前缀表示redirect,即重定向
//return null;//不转发，也不重定向
//return ""; //不转发，也不重定向
//转发目录发生改变，重定向目录不发生改变
}
public String login(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
System.out.println("login()...");
return "r:/index.jsp";
}
