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/*** 登录* * @param request* @param response* @throws ServletException* @throws IOException*/public void login(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// 处理登录// 清空登录记录request.getSession().invalidate();// 进行登录操作String username = request.getParameter("username");String password = request.getParameter("password");String type = request.getParameter("type");if (type != null && type.equals("1")) {Admin admin1 = UserService.selectAdmin(username, password);if (admin1 != null) {response.getWriter().print("yes");request.getSession().setAttribute("admin", admin1);request.getSession().setAttribute("flag", 1);} else {response.getWriter().print("error");}} else if (type != null && type.equals("2")) {User User1 = UserService.selectUser(username, password);if (User1 != null) {response.getWriter().print("toIndex");request.getSession().setAttribute("user", User1);request.getSession().setAttribute("flag", 2);} else {response.getWriter().print("error");}} else {response.getWriter().print("error");}}">