获取网站资源 getResourceAsStream

 1     获取网站资源(重点)

 2 public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {

 3         // 获取网站对象

 4         ServletContext context = this.getServletContext();

 5         // 获取网站中的静态资源

 6         InputStream in = context.getResourceAsStream("/123.bmp");

 7         // 获取输出流

 8         FileOutputStream out = new FileOutputStream(new File("d:/123.bmp"));

 9         // 边读 边写

10         byte[] bs  = new byte[1024];

11         int len = 0;

12         while((len = in.read(bs)) != -1){

13             out.write(bs, 0, len);

14             out.flush();

15         }

16         // 释放资源

17         in.close();

18         out.close();

19     }

获取网站资源 getResourceAsStream