dao.findOne(id)版本兼容issue #10

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1. peak-chen commented on Feb 19, 2020

   

   peak-chen

   on Feb 19, 2020

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   由于springboot的版本更新（我的2.2.4），这个地方可以改为如下参考：
   @RequestMapping(value = "/find", method = RequestMethod.PUT)
   public Optional getAccountById(@RequestParam(value = "id", required = true) int id) {
   return accountJpaDao.findById(id);
   }