springmvc上传List，

@RequestMapping("pay")
    public ModelAndView pay(String orderNo, TransactionDTO transaction, @RequestParam("secretImg") List<String> secretImg, Integer payMethod) {
        ModelAndView mv = new ModelAndView();
        if (StringTool.isEmptyByTrim(orderNo) || transaction == null || payMethod == null || payMethod == PayMethod.PAYPAL) {
            mv.setViewName("");
            return mv;
        }
        transaction.setImgUrl(StringTool.list2Str(secretImg, "|"));
        orderService.payOrder(header(), orderNo, transaction, payMethod);
        mv.setViewName("redirect:/payment/payresult.cf?orderNo=" + orderNo);
        return mv;
    }

上传值形式：页面直接定义多个name相同的标签即可