web.xml配置：
<servlet>
<servlet-name>AServlet</servlet-name>
<servlet-class>AServlet</servlet-class>
<init-param>
<param-name>name</param-name>
<param-value>ycy</param-value>
</init-param>
</servlet>
获取方式：
this.getServletConfig().getInitParameter("name");
转载于:https://www.cnblogs.com/yuanchaoyong/p/7670849.html
