在Servlet中取得配置文件信息

 1 public class ServletDemo3 extends HttpServlet {
 2 
 3     public void doGet(HttpServletRequest request, HttpServletResponse response)
 4             throws ServletException, IOException {
 5         
 6         ServletContext context = this.getServletContext();
 7         Properties pro = new Properties();
 8         pro.load(context.getResourceAsStream("/WEB-INF/classes/db.properties"));
 9         String value = pro.getProperty("name");
10         PrintWriter out = response.getWriter();
11         out.println(value);
12         out.flush();
13         out.close();
14     }
15 
16     
17     public void doPost(HttpServletRequest request, HttpServletResponse response)
18             throws ServletException, IOException {
19         doGet(request, response);
20     }