public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws IOException, ServletException {
try {
ChannelModel channelModel = new ChannelModel();
channelModel.prepareList();
req.setAttribute("url", req.getRequestURL().toString());
req.setAttribute("result", channelModel);
req.getRequestDispatcher("/admin/list_channel.jsp").forward(req,
resp);
} catch (Exception e) {