import org.springframework.beans.factory.annotation.Autowired;import org.springframework.beans.factory.annotation.Value;import org.springframework.core.io.Resource;import org.springframework.core.io.ResourceLoader;import org.springframework.http.ResponseEntity;import org.springframework.web.bind.annotation.*;import Java.nio.file.Paths;/** * 下载图片 * * @author zcqshine */@RestController@RequestMapping("download")public class DownloadController {    private final ResourceLoader resourceLoader;    @Value("${upload.file.path}")    private String filePath;    @Autowired    public DownloadController(ResourceLoader resourceLoader) {        this.resourceLoader = resourceLoader;    }    @GetMapping(value = "/{filename:.+}")    public ResponseEntity
     getFile(@PathVariable String filename) {        try {            String path = Paths.get(filePath, filename).toString();            Resource resource = resourceLoader.getResource("file:" + path);            return ResponseEntity.ok(resource);        } catch (Exception e) {            throw e;        }    }}