@Transactional(rollbackFor = Exception.class)
    public int test4()  {
        int  r= 0;
        for (int i = 0; i<10; i++) {
            try {
                //查询管理账户
                SystemAccout systemAccout = gaodeMapper.getSysAccout(1);

                //普通账户
                Gaode gao = new Gaode();
                gao.setId(i);
                gao.setAddrName("testException-save-one " + i);
                gao.setPoint(systemAccout.getPoint());
                gao.setBal(systemAccout.getBal());
                r = gaodeMapper.updateUser(gao);
                if(r > 0) {
                    //假设更新到第五条出现异常,只需回滚本次循环的所有update 或 save操作记录,继续执行不中断循环
                    if(i == 5) {
                        throw new RuntimeException();
                    }
                    //更新管理账户
                    SystemAccout sys = new SystemAccout();
                    sys.setId(1);
                    sys.setPoint(systemAccout.getPoint() - 　　　　　　　　 ThreadLocalRandom.current().nextInt(10, 100));
                    gaodeMapper.updateSystemAccoutn(sys);

                }
            }catch (Exception e) {
                throw e;
            }
        }
        return r;
    }