spring serlvet
Spring框架中context-param与servlet中init-param的contextConfigLocation的区别
https://blog.csdn.net/angle_sun/article/details/52069712
<context-param>的contextConfigLocation以及DispatcherServlet的contextConfigLocation
https://blog.csdn.net/w938706428/article/details/41844881
一个web项目web.xml的配置中<context-param>配置作用
https://www.cnblogs.com/jiaguozhilian/p/5819032.html
spring MVC
SpringMvc和servlet简单对比介绍
https://www.cnblogs.com/haolnu/p/7294533.html --------------有时间需要看下此处
web.xml 通过contextConfigLocation配spring 的方式
http://jyao.iteye.com/blog/1266482
原文：https://www.cnblogs.com/chengjun/p/9508853.html