1. https://jingyan.baidu.com/article/3a2f7c2e27d51b26afd611ff.html
2. https://blog.csdn.net/lee_star1/article/details/71730107
需抛出RuntimeException错误
throw new RuntimeException("回滚");
try { //业务逻辑 } catch (Exception e) { task = false; e.printStackTrace(); throw new RuntimeException("数据插入失败，回滚"); }