1、初始化参数
web.xml里面可以定义两种参数:(1)application范围内的参数,存放在servletcontext中,在web.xml中配置如下:
<context-param><param-name>context/param</param-name><param-value>avalible during application</param-value></context-param>
(2)servlet范围内的参数,只能在servlet的init()方法中取得,香港虚拟主机,在web.xml中配置如下:
<servlet><servlet-name>MainServlet</servlet-name><servlet-class>com.wes.controller.MainServlet</servlet-class><init-param><param-name>param1</param-name><param-value>avalible in servlet init()</param-value></init-param><load-on-startup>0</load-on-startup></servlet>
在servlet中可以通过代码分别取用:
packagecom.wes.controller;importjavax.servlet.ServletException;importjavax.servlet.http.HttpServlet;publicclassMainServletextendsHttpServlet{publicMainServlet(){super();}publicvoidinit()throwsServletException{ System.out.println("下面的参数是存放在servletcontext中的"); System.out.println(getServletContext().getInitParameter("context/param"));
期待遇上一位撑着油纸伞,结着忧愁丁香一样的姑娘;或者在春暖花开时,