引用的比较好的网址

1.//Java 3種批量插入更新操作的效率横向比較
https://blog.youkuaiyun.com/chenpy/article/details/53912752


2//Java 實現数据批量導入sql(優化速度-2種方法)
https://blog.youkuaiyun.com/qy20115549/article/details/52699724


3//処理表重複記述(select和消除)
https://blog.youkuaiyun.com/u012903926/article/details/74923175


4//dos攻撃
https://zhidao.baidu.com/question/221604523.html


5//命令提示符

https://baike.baidu.com/item/%E5%91%BD%E4%BB%A4%E6%8F%90%E7%A4%BA%E7%AC%A6/998728

6//spring cloud 实用文章摘要

https://blog.youkuaiyun.com/forezp/article/details/70148833/

7//PostgreSQL 9.3.1 中文手册

http://www.postgres.cn/docs/9.3/tutorial-sql.html

8：需要掌握的java基础

https://blog.youkuaiyun.com/zhuangjixiang/article/details/39056051