<img alt="test" src="getImg2.do">

action请求如下。

@RequestMapping("getImg2")
public void getImg2(HttpServletRequest request, HttpServletResponse response)throws IOException {

		FileInputStream fis = null;
		OutputStream os = null;
		try {
			fis = new FileInputStream("d:/log.png");
			os = response.getOutputStream();
			int count = 0;
			byte[] buffer = new byte[1024 * 8];
			while ((count = fis.read(buffer)) != -1) {
				os.write(buffer, 0, count);
				os.flush();
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				fis.close();
				os.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
}