流获取图片

/**

* 通过ID获取人脸小图照片

* @param id

* @param response

* @throws Exception

*/

@GetMapping("picture/face/{id}")

public void getFacePicById(@PathVariable("id") String id, HttpServletResponse response)throws Exception {

response.reset();

    //设置response的Header

    response.addHeader("Accept-Ranges","bytes");

    response.setContentType("image/jpeg");

    response.getOutputStream().write(super.service.getFacePictureById(id));

}