From cbdf8c392064125ef90738a73d1e65afcf27fe77 Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Wed, 14 Jan 2026 14:15:23 +0800
Subject: [PATCH] feat(video): 添加视频播放功能支持分段传输
---
src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java | 163 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 159 insertions(+), 4 deletions(-)
diff --git a/src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java b/src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java
index 52ba717..f12cea1 100644
--- a/src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java
+++ b/src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java
@@ -13,17 +13,25 @@
import cc.mrbird.febs.ai.res.productPoint.ApiProductPointRecommendVo;
import cc.mrbird.febs.ai.service.AiProductPointService;
import cc.mrbird.febs.common.entity.FebsResponse;
+import cc.mrbird.febs.common.utils.LoginUserUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.RandomAccessFile;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
/**
* @author Administrator
@@ -69,4 +77,151 @@
return aiProductPointService.recommend(dto);
}
+
+ public static final String baseUploadDir = "/home/javaweb/webresource/ai/file";
+ /**
+ * 播放视频文件
+ */
+ @GetMapping("/play/{fileName}")
+ public void playVideo(@PathVariable("fileName") String fileName,
+ HttpServletRequest request,
+ HttpServletResponse response) {
+ try {
+ String companyId = LoginUserUtil.getLoginUser().getCompanyId();
+ String uploadDir = baseUploadDir + "/" + companyId;
+ Path filePath = Paths.get(uploadDir, fileName);
+ if (!Files.exists(filePath)) {
+ response.setStatus(HttpStatus.NOT_FOUND.value());
+ return;
+ }
+
+ // 获取文件大小
+ long fileSize = Files.size(filePath);
+
+ // 检查是否有Range请求头
+ String rangeHeader = request.getHeader("Range");
+ if (rangeHeader != null) {
+ // 解析Range头，格式为"bytes=start-end"
+ String[] ranges = rangeHeader.replace("bytes=", "").split("-");
+ long start = 0, end = fileSize - 1;
+
+ if (!ranges[0].isEmpty()) {
+ start = Long.parseLong(ranges[0]);
+ }
+ if (ranges.length > 1 && !ranges[1].isEmpty()) {
+ end = Long.parseLong(ranges[1]);
+ } else {
+ end = fileSize - 1;
+ }
+
+ // 确保范围有效
+ if (start > end || start >= fileSize) {
+ response.setStatus(HttpStatus.REQUESTED_RANGE_NOT_SATISFIABLE.value());
+ return;
+ }
+
+ // 限制结束位置不超过文件大小
+ if (end >= fileSize) {
+ end = fileSize - 1;
+ }
+
+ // 计算内容长度
+ long contentLength = end - start + 1;
+
+ // 设置响应状态和头部信息
+ response.setStatus(HttpStatus.PARTIAL_CONTENT.value());
+ response.setContentType(getContentTypeByExtension(fileName));
+ response.setContentLengthLong(contentLength);
+ response.setHeader("Content-Range", "bytes " + start + "-" + end + "/" + fileSize);
+ response.setHeader("Accept-Ranges", "bytes");
+ response.setHeader("Content-Disposition", "inline; filename=\"" + fileName + "\"");
+
+ // 从指定位置开始读取文件
+ try (RandomAccessFile randomAccessFile = new RandomAccessFile(filePath.toFile(), "r");
+ OutputStream outputStream = response.getOutputStream()) {
+
+ randomAccessFile.seek(start);
+ byte[] buffer = new byte[8192];
+ long remaining = contentLength;
+ int bytesRead;
+
+ while (remaining > 0 && (bytesRead = randomAccessFile.read(buffer, 0, (int) Math.min(buffer.length, remaining))) != -1) {
+ outputStream.write(buffer, 0, bytesRead);
+ remaining -= bytesRead;
+ }
+ }
+ } else {
+
+ // 没有Range头，返回前30秒内容（如果可能的话）
+ // 首先尝试估计前30秒对应的字节数（假设平均比特率为5 Mbps）
+ long estimatedFirst30Seconds = (long) (5 * 1024 * 1024 / 8 * 30); // 5 Mbps => bytes for 30 seconds
+ long actualEnd = Math.min(estimatedFirst30Seconds, fileSize - 1);
+
+ // 设置响应状态和头部信息
+ response.setStatus(HttpStatus.PARTIAL_CONTENT.value()); // 使用206状态码，因为只返回部分内容
+ response.setContentType(getContentTypeByExtension(fileName));
+ response.setContentLengthLong(actualEnd + 1);
+ response.setHeader("Content-Range", "bytes 0-" + actualEnd + "/" + fileSize);
+ response.setHeader("Accept-Ranges", "bytes");
+ response.setHeader("Content-Disposition", "inline; filename=\"" + fileName + "\"");
+
+ // 流式传输文件的前30秒
+ try (InputStream inputStream = Files.newInputStream(filePath);
+ OutputStream outputStream = response.getOutputStream()) {
+ byte[] buffer = new byte[8192];
+ long written = 0;
+ int bytesRead;
+
+ while (written <= actualEnd && (bytesRead = inputStream.read(buffer)) != -1) {
+ long toWrite = Math.min(bytesRead, (int)(actualEnd + 1 - written));
+ outputStream.write(buffer, 0, (int)toWrite);
+ written += toWrite;
+
+ // 如果已经写完前30秒的内容，则停止
+ if (written > actualEnd) {
+ break;
+ }
+ }
+ }
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
+ }
+ }
+
+ /**
+ * 根据文件扩展名获取MIME类型
+ */
+ private String getContentTypeByExtension(String fileName) {
+ String extension = "";
+ int lastDotIndex = fileName.lastIndexOf('.');
+ if (lastDotIndex > 0) {
+ extension = fileName.substring(lastDotIndex).toLowerCase();
+ }
+
+ switch (extension) {
+ case ".mp4":
+ return "video/mp4";
+ case ".avi":
+ return "video/x-msvideo";
+ case ".mov":
+ return "video/quicktime";
+ case ".wmv":
+ return "video/x-ms-wmv";
+ case ".flv":
+ return "video/x-flv";
+ case ".webm":
+ return "video/webm";
+ case ".mkv":
+ return "video/x-matroska";
+ case ".m3u8":
+ return "application/vnd.apple.mpegurl";
+ case ".ts":
+ return "video/MP2T";
+ default:
+ return "application/octet-stream";
+ }
+ }
+
}
--
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