防止高并发的安全接口设计

来源：互联网发布：一般淘宝客服上班时间编辑：程序博客网时间：2024/06/07 00:42

基于缓存机制：

@RequestMapping("/transferOut/success")
   public @ResponseBody Map<String, Object> outResult(HttpServletRequest request, HttpServletResponse response,
           @RequestParam("amount") String amount, @RequestParam("bankcardno") String bankcardno,
           @RequestParam("aesTranPwd") String aesTranPwd) throws Exception {
       return transferout(request, amount, bankcardno, aesTranPwd);
   }

private synchronized Map<String, Object> transferout(HttpServletRequest request, String amount, String bankcardno,
           String aesTranPwd) throws Exception {
       MemcachedCacheManager memcachedCacheManager = new MemcachedCacheManager();
       MemcachedClient mc = memcachedCacheManager.getMemcachedClient();
       if (mc.add("superbankTransferLock", 5, "a")) {// 添加时长2s的锁

//处理业务逻辑，处理完成之后将superbankTransferLock删除，处理下一个请求

                  map.put("status", stat);
          map.put("respmsg", respmsg);
          mc.delete("superbankTransferLock");
             return map;

          }else {
            Thread.sleep(500);
           return transferout(request, amount, bankcardno, aesTranPwd);
       }

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