img的src地址是一个请求的方式来显示图片方法

@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();
  }
 }
}