基于javaweb+mysql的ssm快递物流管理系统(JavaWeb JSP MySQL Servlet SSM SpringBoot Layui Ajax)

基于javaweb+mysql的ssm快递物流管理系统(JavaWeb JSP MySQL Servlet SSM SpringBoot Layui Ajax)

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

技术框架

JavaBean MVC JSP SSM(Spring SpringMVC MyBatis) MySQL CSS JavaScript Layui Ajax

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

登录、注册、退出、用户模块、公告模块、订单模块、车辆模块的增删改查管理

eclipse/MyEclipse运行：

idea运行：

     */
    @RequestMapping("userDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        userService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑用户
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userEdit")
    public void edit(User vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        userService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取用户的详细信息（详情页面与编辑页面要显示该用户的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"userGet", "userEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        User vo = userService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("user_" + to + ".jsp");
    }

    /**
     * 根据条件查询用户的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    }

    /**
     * 编辑订单
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("orderEdit")
    public void edit(Order vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        orderService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取订单的详细信息（详情页面与编辑页面要显示该订单的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"orderGet", "orderEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Order vo = orderService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("order_" + to + ".jsp");
    }

    /**
     * 根据条件查询订单的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("orderList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {

     * 获取车辆的详细信息（详情页面与编辑页面要显示该车辆的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"carGet", "carEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Car vo = carService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("car_" + to + ".jsp");
    }

    /**
     * 根据条件查询车辆的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("carList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = request.getParameter("searchColumn");
        String keyword = request.getParameter("keyword");
        Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
        params.put("searchColumn", searchColumn);//要查询的列
        params.put("keyword", keyword);//查询的关键字
        response.getWriter().println(com.alibaba.fastjson.JSONObject.toJSONString(carService.list(params).get("list")));
    }
}

    /**
     * 删除公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        noticeService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeEdit")
    public void edit(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        noticeService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取公告的详细信息（详情页面与编辑页面要显示该公告的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"noticeGet", "noticeEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Notice vo = noticeService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("notice_" + to + ".jsp");
    }

    /**
     * 根据条件查询公告的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException

        String password = request.getParameter("password");
        System.out.println("username=" + username);
        System.out.println("password=" + password);

        Map<String, Object> params = new HashMap();
        
        
        params.put("startIndex", 0);
        params.put("pageSize", Long.MAX_VALUE);
        List<User> list = (List<User>) userService.list(params).get("list");
        for (User user : list) {
            if (user.getUsername().equals(username) /*&& user.getPassword().equals(password)*/) {//说明该用户名已存在，必须换个用户名才能注册
                request.getSession().setAttribute("alert_msg", "错误：用户名已存在！");
                request.getRequestDispatcher("register.jsp").forward(request, response);
                return;
            }
        }
        User vo = new User();
        vo.setUsername(username);
        vo.setPassword(password);
        //vo.setUserType("普通用户");//需要设置一个默认值
        userService.insert(vo);
        request.getSession().setAttribute("alert_msg", "注册成功！用户名：[" + username + "]");
        request.getRequestDispatcher("login.jsp").forward(request, response);
    }

    @RequestMapping("authLogout")
    public void logout(HttpServletResponse response, HttpServletRequest request) throws IOException {
        HttpSession session = request.getSession();
        User user = (User) session.getAttribute("loginUser");
        if (user != null) {
            session.removeAttribute("loginUser");
        }
        response.sendRedirect("login.jsp");
    }

    @RequestMapping("authValidationCode")
    public void validationCode(HttpServletResponse response, HttpServletRequest request) throws IOException {
        String codeChars = "0123456789";// 图形验证码的字符集合，系统将随机从这个字符串中选择一些字符作为验证码
        //  获得验证码集合的长度
        int charsLength = codeChars.length();
        //  下面三条记录是关闭客户端浏览器的缓冲区
        //  这三条语句都可以关闭浏览器的缓冲区，但是由于浏览器的版本不同，对这三条语句的支持也不同
        //  因此，为了保险起见，建议同时使用这三条语句来关闭浏览器的缓冲区
        response.setHeader("ragma", "No-cache");

    private UserService userService;

    @RequestMapping("authLogin")
    public void login(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");

        String validationCode = request.getParameter("validationCode");
        if (validationCode != null && !validationCode.equals(request.getSession().getAttribute("validationCode"))) {//验证码不通过
            request.getSession().setAttribute("alert_msg", "错误：验证码不正确！");
            request.getRequestDispatcher("login.jsp").forward(request, response);
            return;
        }

        Map<String, Object> params = new HashMap();
        
        
        List<User> list = (List<User>) userService.list(params).get("list");
        for (User user : list) {
            if (user.getUsername().equals(username) && user.getPassword().equals(password)) {//找到这个管理员了
                request.getSession().setAttribute("loginUser", user);
				request.getSession().setMaxInactiveInterval(Integer.MAX_VALUE);
                request.getRequestDispatcher("user_list.jsp").forward(request, response);
                return;
            }
        }
        request.getSession().setAttribute("alert_msg", "错误：用户名或密码错误！");
        request.getRequestDispatcher("login.jsp").forward(request, response);
    }

    @RequestMapping("authRegister")
    public void register(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        System.out.println("username=" + username);
        System.out.println("password=" + password);

        Map<String, Object> params = new HashMap();
        
        
        params.put("startIndex", 0);
        params.put("pageSize", Long.MAX_VALUE);
        List<User> list = (List<User>) userService.list(params).get("list");
        for (User user : list) {
            if (user.getUsername().equals(username) /*&& user.getPassword().equals(password)*/) {//说明该用户名已存在，必须换个用户名才能注册
                request.getSession().setAttribute("alert_msg", "错误：用户名已存在！");

     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("carEdit")
    public void edit(Car vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        carService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取车辆的详细信息（详情页面与编辑页面要显示该车辆的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"carGet", "carEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Car vo = carService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("car_" + to + ".jsp");
    }

    /**
     * 根据条件查询车辆的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("carList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *

     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeAdd")
    public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        //调用Service层的增加（insert）方法
        noticeService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        noticeService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeEdit")
    public void edit(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        noticeService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取公告的详细信息（详情页面与编辑页面要显示该公告的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */

@Controller
public class AuthController extends HttpServlet {
    @Autowired
    private UserService userService;

    @RequestMapping("authLogin")
    public void login(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");

        String validationCode = request.getParameter("validationCode");
        if (validationCode != null && !validationCode.equals(request.getSession().getAttribute("validationCode"))) {//验证码不通过
            request.getSession().setAttribute("alert_msg", "错误：验证码不正确！");
            request.getRequestDispatcher("login.jsp").forward(request, response);
            return;
        }

        Map<String, Object> params = new HashMap();
        
        
        List<User> list = (List<User>) userService.list(params).get("list");
        for (User user : list) {
            if (user.getUsername().equals(username) && user.getPassword().equals(password)) {//找到这个管理员了
                request.getSession().setAttribute("loginUser", user);
				request.getSession().setMaxInactiveInterval(Integer.MAX_VALUE);
                request.getRequestDispatcher("user_list.jsp").forward(request, response);
                return;
            }
        }
        request.getSession().setAttribute("alert_msg", "错误：用户名或密码错误！");
        request.getRequestDispatcher("login.jsp").forward(request, response);
    }

    @RequestMapping("authRegister")
    public void register(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {

     * @throws IOException
     */
    @RequestMapping("noticeAdd")
    public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        //调用Service层的增加（insert）方法
        noticeService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        noticeService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeEdit")
    public void edit(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        noticeService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取公告的详细信息（详情页面与编辑页面要显示该公告的详情）并跳转回页面
     *
     * @param response
     * @param request

    }

    /**
     * 获取车辆的详细信息（详情页面与编辑页面要显示该车辆的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"carGet", "carEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Car vo = carService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("car_" + to + ".jsp");
    }

    /**
     * 根据条件查询车辆的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("carList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = request.getParameter("searchColumn");
        String keyword = request.getParameter("keyword");
        Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
        params.put("searchColumn", searchColumn);//要查询的列
        params.put("keyword", keyword);//查询的关键字
        response.getWriter().println(com.alibaba.fastjson.JSONObject.toJSONString(carService.list(params).get("list")));
    }
}

     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeAdd")
    public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        //调用Service层的增加（insert）方法
        noticeService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        noticeService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeEdit")
    public void edit(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        noticeService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取公告的详细信息（详情页面与编辑页面要显示该公告的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"noticeGet", "noticeEditPre"})

        noticeService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        noticeService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeEdit")
    public void edit(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        noticeService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取公告的详细信息（详情页面与编辑页面要显示该公告的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"noticeGet", "noticeEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Notice vo = noticeService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("notice_" + to + ".jsp");

     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"userGet", "userEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        User vo = userService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("user_" + to + ".jsp");
    }

    /**
     * 根据条件查询用户的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = request.getParameter("searchColumn");
        String keyword = request.getParameter("keyword");
        Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
        params.put("searchColumn", searchColumn);//要查询的列
        params.put("keyword", keyword);//查询的关键字
        response.getWriter().println(com.alibaba.fastjson.JSONObject.toJSONString(userService.list(params).get("list")));
    }
}

    }

    /**
     * 获取用户的详细信息（详情页面与编辑页面要显示该用户的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"userGet", "userEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        User vo = userService.get(id);
        request.getSession().setAttribute("vo", vo);
        String to = request.getRequestURI().toLowerCase().contains("get") ? "info" : "edit";//判断是去详情显示页面还是编辑页面
        response.sendRedirect("user_" + to + ".jsp");
    }

    /**
     * 根据条件查询用户的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = request.getParameter("searchColumn");
        String keyword = request.getParameter("keyword");
        Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
        params.put("searchColumn", searchColumn);//要查询的列
        params.put("keyword", keyword);//查询的关键字

@Controller
@RequestMapping
public class OrderController {

    @Autowired
    private OrderService orderService;

    /**
     * 增加订单
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("orderAdd")
    public void add(Order vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        //调用Service层的增加（insert）方法
        orderService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除订单
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("orderDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        orderService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑订单
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("orderEdit")
    public void edit(Order vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        orderService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取订单的详细信息（详情页面与编辑页面要显示该订单的详情）并跳转回页面
     *
     * @param response
     * @param request

            if (user.getUsername().equals(username) && user.getPassword().equals(password)) {//找到这个管理员了
                request.getSession().setAttribute("loginUser", user);
				request.getSession().setMaxInactiveInterval(Integer.MAX_VALUE);
                request.getRequestDispatcher("user_list.jsp").forward(request, response);
                return;
            }
        }
        request.getSession().setAttribute("alert_msg", "错误：用户名或密码错误！");
        request.getRequestDispatcher("login.jsp").forward(request, response);
    }

    @RequestMapping("authRegister")
    public void register(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        System.out.println("username=" + username);
        System.out.println("password=" + password);

        Map<String, Object> params = new HashMap();
        
        
        params.put("startIndex", 0);
        params.put("pageSize", Long.MAX_VALUE);
        List<User> list = (List<User>) userService.list(params).get("list");
        for (User user : list) {
            if (user.getUsername().equals(username) /*&& user.getPassword().equals(password)*/) {//说明该用户名已存在，必须换个用户名才能注册
                request.getSession().setAttribute("alert_msg", "错误：用户名已存在！");
                request.getRequestDispatcher("register.jsp").forward(request, response);
                return;
            }
        }
        User vo = new User();
        vo.setUsername(username);
        vo.setPassword(password);
        //vo.setUserType("普通用户");//需要设置一个默认值
        userService.insert(vo);
        request.getSession().setAttribute("alert_msg", "注册成功！用户名：[" + username + "]");
        request.getRequestDispatcher("login.jsp").forward(request, response);
    }

        response.sendRedirect("order_" + to + ".jsp");
    }

    /**
     * 根据条件查询订单的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("orderList")
    public void list(HttpServletResponse response, HttpServletRequest request) throws IOException {
        this.redirectList(request, response);
    }

    /**
     * 跳转到列表页面
     *
     * @param request
     * @param response
     */
    private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
        //查询列和关键字
        String searchColumn = request.getParameter("searchColumn");
        String keyword = request.getParameter("keyword");
        Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
        params.put("searchColumn", searchColumn);//要查询的列
        params.put("keyword", keyword);//查询的关键字
        response.getWriter().println(com.alibaba.fastjson.JSONObject.toJSONString(orderService.list(params).get("list")));
    }
}

@Controller
@RequestMapping
public class UserController {