SpringMVC流式传输媒体数据的方法

package com.example.server.config;
import jakarta.servlet.http.HttpServletRequest;
import org.springframework.core.io.Resource;
import org.springframework.core.io.UrlResource;
import org.springframework.lang.NonNull;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.resource.ResourceHttpRequestHandler;
import java.net.MalformedURLException;
import java.nio.file.Path;
import java.util.List;
@Component
public class CustomResourceHttpRequestHandler extends ResourceHttpRequestHandler {
    private Resource resource;
    @Override
    protected Resource getResource(@NonNull HttpServletRequest request) {
        return this.resource;
    }
    public void setResource(Path filePath) throws MalformedURLException {
        this.resource = new UrlResource(filePath.toUri());
        setLocations(List.of(this.resource));
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.nio.file.Path;
import java.nio.file.Paths;
@Controller
@RequestMapping("/files")
public class FileController {
    @Autowired
    private CustomResourceHttpRequestHandler resourceHttpRequestHandler;
    @GetMapping("/{filename}")
    public ResponseEntity<?> getFile(@PathVariable String filename, HttpServletRequest request, HttpServletResponse response) {
        try {
            // 解析文件路径
            Path filePath = Paths.get("D:/StorageService").resolve(filename).normalize();
            // 检查文件是否存在
            if (!filePath.toFile().exists()) {
                return new ResponseEntity<>(HttpStatus.NOT_FOUND);
            }
            // 设置资源路径
            resourceHttpRequestHandler.setResource(filePath);
            // 设置响应头，inline 会在浏览器中显示或播放文件
            response.setHeader(HttpHeaders.CONTENT_DISPOSITION, "inline; filename=\"" + filename + "\"");
            // 让 CustomResourceHttpRequestHandler 处理请求
            resourceHttpRequestHandler.handleRequest(request, response);
            return new ResponseEntity<>(HttpStatus.OK);
        } catch (Exception e) {
            return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
        }
    }
}