From 262d75a02882c218b99be85d737c95324c7131d4 Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Wed, 14 Jan 2026 15:16:37 +0800
Subject: [PATCH] refactor(ai): 将视频播放功能提取到独立控制器
---
src/main/java/cc/mrbird/febs/ai/controller/productPoint/ApiProductPointController.java | 146 ------------------------------------------------
1 files changed, 0 insertions(+), 146 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 f12cea1..2044b93 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
@@ -78,150 +78,4 @@
}
- 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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