修改交易密码（原密码判断5次）

 1     @Override
 2     public Result updatePayPassword(long userId, String oldPayPwd, String tradePassword)throws MyException {
 3         //验证新旧密码格式是否正确
 4         if(!CheckPwd.checkPayPwd(oldPayPwd) || !CheckPwd.checkPayPwd(tradePassword)){
 5             throw new MyException(ResultEnum.trade_pwd_format_not_true);
 6         }
 7         //判断原交易密码是否正确
 8         String oldPayPwdInDB = appUpdatePayPasswordMapper.findOldPayPwd(userId);
 9         if(StringUtils.isBlank(oldPayPwdInDB)){
10             throw new MyException(ResultEnum.user_is_not_tradepwd);
11         }
12         //不正确（退出App，返回错误码并重置token）
13         if(!oldPayPwdInDB.equals(oldPayPwd)){
14             try {
15                 //查询数据库，修改交易密码时输入交易密码错误次数是否为5次，5次则返回错误码，提示APP退出登录
16                 byte modifyTradePwdErrorCount = appUpdatePayPasswordMapper.findModifyTradePwdErrorCount(userId);
17                 if(modifyTradePwdErrorCount==5){
18                     throw new MyException(ResultEnum.trade_pwd_not_true_login);
19                 }
20                 //更新 修改交易密码时输入交易密码错误次数
21                 appUpdatePayPasswordMapper.updateModifyTradePwdErrorCount(userId);
22             } catch (Exception e) {
23                 e.printStackTrace();
24                 throw new MyException(ResultEnum.error_update_failed);
25             }
26             //提示交易密码错误
27             throw new MyException(ResultEnum.trade_pwd_not_true);
28         }
29         //更新交易密码
30         Map<String,Object> c = new HashMap<>();
31         c.put("userId",userId);
32         c.put("tradePassword",tradePassword);
33         try {
34             appUpdatePayPasswordMapper.updateNewPaPwd(c);
35         } catch (Exception e) {
36             e.printStackTrace();
37             throw new MyException(ResultEnum.error_update_failed);
38         }
39         return ResultUtil.success();
40     }