SpringBoot静态视频实时播放的实现代码

SpringBoot静态视频实时播放的实现代码

问题描述

Spring Boot API 定义 GET 请求 API ， 返回视频流。前端通过

解决方法

Spring Framework 文件请求处理

import org.springframework.core.io.FileSystemResource;

import org.springframework.core.io.Resource;

import org.springframework.stereotype.Component;

import org.springframework.web.servlet.resource.ResourceHttpRequestHandler;

import javax.servlet.http.HttpServletRequest;

import java.nio.file.Path;

@Component

public class NonStaticResourceHttpRequestHandler extends ResourceHttpRequestHandler {

public final static String ATTR_FILE = "NON-STATIC-FILE";

@Override

protected Resource getResource(HttpServletRequest request) {

final Path filePath = (Path) request.getAttribute(ATTR_FILE);

return new FileSystemResource(filePath);

}

}

Controller 层

@RestController

@AllArgsConstructor

public class FileRestController {

private final NonStaticResourceHttpRequestHandler nonStaticResourceHttpRequestHandler;

/**

* 预览视频文件, 支持 byte-range 请求

*/

@GetMapping("/video")

public void videoPreview(HttpServletRequest request, HttpServletResponse response) throws Exception {

String path = request.getParameter("path");

Path filePath = Paths.get(path);

if (Files.exists(filePath)) {

String mimeType = Files.probeContentType(filePath);

if (!StringUtils.isEmpty(mimeType)) {

response.setContentType(mimeType);

}

request.setAttribute(NonStaticResourceHttpRequestHandler.ATTR_FILE, filePath);

nonStaticResourceHttpRequestHandler.handleRequest(request, response);

} else {

response.setStatus(HttpServletResponse.SC_NOT_FOUND);

response.setCharacterEncoding(StandardCharsets.UTF_8.toString());

}

}

}

相关资料

How do I return a video with Spring MVC so that it can be navigated using the html5 tag?

https://stackoverflow.com/questions/3303029/http-range-header

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