//对应旧版本中servlet标签中的内容
@WebServlet(displayName = "This is ForwordServlet", // 描述
        name = "ForwordServlet", // servlet名称
        urlPatterns = { "/forwordServlet" }, // url
        loadOnStartup = 1, // 启动项
        initParams = { @WebInitParam(name = "username", value = "张三") }// 初始化参数
)
public class ForwordServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
     *      response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // TODO Auto-generated method stub
        response.getWriter().append("Served at: ").append(request.getContextPath());
    }

}