标签：str param property dir ring app pat web roo
web.xml
里配置
<context-param>
<param-name>webAppRootKey</param-name>
<param-value>bookdir</param-value>
</context-param>
在方法里获取
String pathUrl = System.getProperty("bookdir");标签：str param property dir ring app pat web roo
原文地址：https://www.cnblogs.com/liuyuanchen/p/12696983.html
