后台访问windows下的图片

/**
 * @author A
 */
@CrossOrigin
@RestController
@Slf4j
@Api(tags = "")
public class ImageController {
    @Value("${picture.basePath}")
    private String PIC_BASE_PATH;
    /**
     * @return
     * @throws BaseException
     */
    @RequestMapping(value="/image/ProductClassPic/{date}/{dir}",method = {RequestMethod.GET})
    public void ProductClassPic(@PathVariable String date, @PathVariable String dir, HttpServletResponse response) throws BaseException, IOException {
        // 构建图片文件路径
        String imagePath = "D:\\environment\\pic\\ProductClassPic\\"+date+"\\"+dir;
        File file = new File(imagePath);
        if (!file.exists()) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND, "Image not found");
            return;
        }
        // 设置响应头
        response.setContentType(MediaType.IMAGE_JPEG_VALUE); // 根据实际情况设置图片类型
        response.setContentLength((int) file.length());
        // 将文件内容写入响应流
        Files.copy(file.toPath(), response.getOutputStream());
    }



}