[java] XML DTD XSD

XML是用来干什么的

https://bbs.csdn.net/topics/120762

https://blog.csdn.net/Rain722/article/details/52925828

https://www.cnblogs.com/deng-cc/p/6349107.html

XML文件编写

https://blog.csdn.net/weixin_38382105/article/details/80965735

DTD

https://www.w3school.com.cn/dtd/dtd_intro.asp

XSD

https://blog.csdn.net/charberming/article/details/89489885

https://www.cnblogs.com/tech-bird/p/4141509.html

https://www.zhihu.com/question/38843167