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/**     * 商品详情页     *      * @param orf     * @param req     * @param resp     * @throws ServletException     * @throws IOException     */    @RequestMapping("/productinfo.jhtml")    public void productInfo(BuyerOrderInfoForm orf, HttpServletRequest req,            HttpServletResponse resp) throws ServletException, IOException {        req.getRequestDispatcher("/buyer/order/productinfo.jsp").forward(req,                resp);    }