<context-param>什么作用啊？
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
</param-value>
</context-param>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value></param-value>
</init-param>
是加载两个配置文件的意思吗？老师。
