基于javaweb+mysql的ssm+maven高校教师教职工管理系统(JavaWeb MySQL JSP Bootstrap Servlet SSM SpringBoot)

私信源码获取及调试交流

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) Maven MySQL CSS JavaScript Bootstrap.

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、教师模块、工资模块的增删改查管理

eclipse/MyEclipse运行：

idea运行：

}

@Controller
@RequestMapping
public class UserController {

    @Autowired
    private UserService userService;

    /**
     * 增加用户
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userAdd")
    public void add(User vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        userService.insert(vo);
        this.redirectList(request, response);
    }

    /**
     * 删除用户

		vo.setCreateBy(0L);
        vo.setUserType("普通用户");
        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");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);
        //  设置图形验证码的长和宽（图形的大小）
        int width = 90, height = 20;
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics g = image.getGraphics();//  获得用于输出文字的Graphics对象
        Random random = new Random();
        g.setColor(getRandomColor(180, 250));// 随机设置要填充的颜色
        g.fillRect(0, 0, width, height);//  填充图形背景
        //  设置初始字体
        g.setFont(new Font("Times New Roman", Font.ITALIC, height));
        g.setColor(getRandomColor(120, 180));// 随机设置字体颜色
        //  用于保存最后随机生成的验证码
        StringBuilder validationCode = new StringBuilder();
        //  验证码的随机字体
        String[] fontNames = {"Times New Roman", "Book antiqua", "Arial"};

        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");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);
        //  设置图形验证码的长和宽（图形的大小）
        int width = 90, height = 20;
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics g = image.getGraphics();//  获得用于输出文字的Graphics对象
        Random random = new Random();
        g.setColor(getRandomColor(180, 250));// 随机设置要填充的颜色
        g.fillRect(0, 0, width, height);//  填充图形背景
        //  设置初始字体
        g.setFont(new Font("Times New Roman", Font.ITALIC, height));
        g.setColor(getRandomColor(120, 180));// 随机设置字体颜色
        //  用于保存最后随机生成的验证码
        StringBuilder validationCode = new StringBuilder();
        //  验证码的随机字体
        String[] fontNames = {"Times New Roman", "Book antiqua", "Arial"};
        for (int i = 0; i < 4; i++) {
            //  随机设置当前验证码的字符的字体
            g.setFont(new Font(fontNames[random.nextInt(3)], Font.ITALIC, height));
            //  随机获得当前验证码的字符
            char codeChar = codeChars.charAt(random.nextInt(charsLength));
            validationCode.append(codeChar);
            //  随机设置当前验证码字符的颜色
            g.setColor(getRandomColor(10, 100));
            //  在图形上输出验证码字符，x和y都是随机生成的
            g.drawString(String.valueOf(codeChar), 16 * i + random.nextInt(7), height - random.nextInt(6));
        }
        HttpSession session = request.getSession();
        session.setMaxInactiveInterval(5 * 60);
        //  将验证码保存在session对象中，key为validation_code
        session.setAttribute("validationCode", validationCode.toString());
        g.dispose();//  关闭Graphics对象
        OutputStream os = response.getOutputStream();
        ImageIO.write(image, "JPEG", os);// 以JPEG格式向客户端发送图形验证码
    }

    @RequestMapping("authResetPassword")
    public void resetPassword(HttpServletResponse response, HttpServletRequest request) throws IOException, ServletException {
        String msg;
        User loginUser = (User) request.getSession().getAttribute("loginUser");

@Controller
@RequestMapping
public class NoticeController {

    @Autowired
    private NoticeService noticeService;

    /**
     * 增加公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeAdd")
    public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //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");

    /**
     * 删除教师
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        teacherService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑教师
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherEdit")
    public void edit(Teacher vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        teacherService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取教师的详细信息（详情页面与编辑页面要显示该教师的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"teacherGet", "teacherEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Teacher vo = teacherService.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("teacher_" + to + ".jsp");
    }

    /**
     * 根据条件查询教师的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherList")

    /**
     * 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/*keyword != null ? new String(keyword.getBytes("ISO-8859-1"), "UTF-8") : null*/);//查询的关键字
        //User loginUser = (User) request.getSession().getAttribute("loginUser");
        //if (!"管理员".equals(loginUser.getUserType())) {
        //    params.put("createBy", loginUser.getId());
        //}
        Map<String, Object> map = teacherService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) teacherService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("teacherList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("teacher_list.jsp");
    }
}

    }

    /**
     * 根据条件查询教师的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherList")
    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/*keyword != null ? new String(keyword.getBytes("ISO-8859-1"), "UTF-8") : null*/);//查询的关键字
        //User loginUser = (User) request.getSession().getAttribute("loginUser");
        //if (!"管理员".equals(loginUser.getUserType())) {
        //    params.put("createBy", loginUser.getId());
        //}
        Map<String, Object> map = teacherService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) teacherService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("teacherList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("teacher_list.jsp");
    }
}

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

    /**
     * 编辑教师
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherEdit")
    public void edit(Teacher vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        teacherService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取教师的详细信息（详情页面与编辑页面要显示该教师的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"teacherGet", "teacherEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Teacher vo = teacherService.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("teacher_" + to + ".jsp");
    }

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

    /**

                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.setCreateBy(0L);
        vo.setUserType("普通用户");
        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");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);
        //  设置图形验证码的长和宽（图形的大小）
        int width = 90, height = 20;
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics g = image.getGraphics();//  获得用于输出文字的Graphics对象
        Random random = new Random();
        g.setColor(getRandomColor(180, 250));// 随机设置要填充的颜色
        g.fillRect(0, 0, width, height);//  填充图形背景
        //  设置初始字体
        g.setFont(new Font("Times New Roman", Font.ITALIC, height));

     * @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/*keyword != null ? new String(keyword.getBytes("ISO-8859-1"), "UTF-8") : null*/);//查询的关键字
        Map<String, Object> map = noticeService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) noticeService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("noticeList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("notice_list.jsp");
    }
}

/**
 * 拦截器
 */
public class LoginInterceptor implements HandlerInterceptor {

        this.redirectList(request, response);
    }

    /**
     * 删除教师
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherDelete")
    public void delete(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");
        teacherService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑教师
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherEdit")
    public void edit(Teacher vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        teacherService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取教师的详细信息（详情页面与编辑页面要显示该教师的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"teacherGet", "teacherEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Teacher vo = teacherService.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("teacher_" + to + ".jsp");
    }

        Serializable id = request.getParameter("id");
        teacherService.delete(Arrays.asList(id));
        this.redirectList(request, response);
    }

    /**
     * 编辑教师
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherEdit")
    public void edit(Teacher vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        teacherService.update(vo);
        this.redirectList(request, response);
    }

    /**
     * 获取教师的详细信息（详情页面与编辑页面要显示该教师的详情）并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping({"teacherGet", "teacherEditPre"})
    public void get(HttpServletResponse response, HttpServletRequest request) throws IOException {
        Serializable id = request.getParameter("id");//取出主键id
        Teacher vo = teacherService.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("teacher_" + to + ".jsp");
    }

    /**
     * 根据条件查询教师的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherList")

        pb.setServlet("salaryList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("salary_list.jsp");
    }
}

@Controller
@RequestMapping
public class UserController {

    @Autowired
    private UserService userService;

    /**
     * 增加用户
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("userAdd")
    public void add(User vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        userService.insert(vo);
        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/*keyword != null ? new String(keyword.getBytes("ISO-8859-1"), "UTF-8") : null*/);//查询的关键字
        Map<String, Object> map = noticeService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) noticeService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("noticeList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("notice_list.jsp");
    }
}

        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("user_list.jsp");
    }
}

@Controller
@RequestMapping
public class NoticeController {

    @Autowired
    private NoticeService noticeService;

    /**
     * 增加公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeAdd")
    public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //调用Service层的增加（insert）方法
        noticeService.insert(vo);

@Controller
@RequestMapping
public class NoticeController {

    @Autowired
    private NoticeService noticeService;

    /**
     * 增加公告
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("noticeAdd")
    public void add(Notice vo, HttpServletResponse response, HttpServletRequest request) throws IOException {
        vo.setCreateBy(((com.demo.vo.User) request.getSession().getAttribute("loginUser")).getId());
        //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
     *

        Teacher vo = teacherService.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("teacher_" + to + ".jsp");
    }

    /**
     * 根据条件查询教师的列表并跳转回页面
     *
     * @param response
     * @param request
     * @throws IOException
     */
    @RequestMapping("teacherList")
    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/*keyword != null ? new String(keyword.getBytes("ISO-8859-1"), "UTF-8") : null*/);//查询的关键字
        //User loginUser = (User) request.getSession().getAttribute("loginUser");
        //if (!"管理员".equals(loginUser.getUserType())) {
        //    params.put("createBy", loginUser.getId());
        //}
        Map<String, Object> map = teacherService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) teacherService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("teacherList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("teacher_list.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/*keyword != null ? new String(keyword.getBytes("ISO-8859-1"), "UTF-8") : null*/);//查询的关键字
        User loginUser = (User) request.getSession().getAttribute("loginUser");
        if (!"管理员".equals(loginUser.getUserType())) {
            params.put("id", loginUser.getId());
        }
        Map<String, Object> map = userService.list(params);
        request.getSession().setAttribute("list", map.get("list"));

        Integer totalRecord = (Integer) map.get("totalCount");//根据查询条件取出对应的总记录数，用于分页
        String pageNum = request.getParameter("pageNum");//封装分页参数
        com.demo.util.PageBean<Object> pb = new com.demo.util.PageBean(Integer.valueOf(pageNum != null ? pageNum : "1"), totalRecord);
        params.put("startIndex", pb.getStartIndex());
        params.put("pageSize", pb.getPageSize());
        List list = (List) userService.list(params).get("list");//根据分页参数startIndex、pageSize查询出来的最终结果list
        pb.setServlet("userList");
        pb.setSearchColumn(searchColumn);
        pb.setKeyword(keyword);
        pb.setList(list);
        request.getSession().setAttribute("pageBean", pb);
        request.getSession().setAttribute("list", pb.getList());

        response.sendRedirect("user_list.jsp");
    }