<servlet>
  <servlet-name>PropManageServlet</servlet-name>
  <servlet-class>com.prop.servlet.PropManageServlet</servlet-class>
<init-param>
  <!--登录配置管理的用户名-->
  <param-name>loginUsername</param-name>
  <param-value>admin</param-value>
</init-param>
<init-param>
  <!--登录配置管理的密码-->
  <param-name>loginPwd</param-name>
  <param-value>123456</param-value>
</init-param>
<init-param>
  <!--要管理的配置文件-->
  <param-name>configFile</param-name>
  <param-value>cfg.properties</param-value>
</init-param>
</servlet>
<servlet-mapping>
  <servlet-name>PropManageServlet</servlet-name>
  <!--不可修改-->
  <url-pattern>/prop/*</url-pattern>
</servlet-mapping>