录音播放功能

src/main/java/com/rj/controller/AudioManagementSegmentsController.java

@@ -9,9 +9,14 @@ import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.FileSystemResource;
+import org.springframework.core.io.Resource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import java.io.File;
 import java.time.LocalDateTime;
 import java.util.HashMap;
 import java.util.List;
@@ -93,7 +98,119 @@ public class AudioManagementSegmentsController {
             return ResponseEntity.internalServerError().body(result);
         }
     }
+    /**
+     * 根据ID播放录音分段音频文件
+     */
+    @PostMapping("/playSegmentById/{id}")
+    @Operation(summary = "播放分段音频文件", description = "播放音频文件")
+    public ResponseEntity<Resource> playSegmentById(
+            @Parameter(description = "分段ID", required = true)
+            @PathVariable String id) {
+        try {
+            AudioManagementSegments segment = audioManagementSegmentsService.getById(id);
+            
+            if (segment == null) {
+                log.warn("录音分段不存在，ID: {}", id);
+                return ResponseEntity.notFound().build();
+            }
 
+            String audioFilePath = segment.getAudioFilePath();
+            if (audioFilePath == null || audioFilePath.trim().isEmpty()) {
+                log.warn("录音分段文件路径为空，ID: {}", id);
+                return ResponseEntity.badRequest().build();
+            }
+
+            File file = new File(audioFilePath);
+            if (!file.exists() || !file.isFile()) {
+                log.warn("音频文件不存在或不是文件，路径: {}", audioFilePath);
+                return ResponseEntity.notFound().build();
+            }
+
+            // 检查文件是否为音频文件
+            if (!isAudioFile(audioFilePath)) {
+                log.warn("文件不是音频文件，路径: {}", audioFilePath);
+                return ResponseEntity.badRequest().build();
+            }
+
+            Resource resource = new FileSystemResource(file);
+            
+            // 设置响应头
+            HttpHeaders headers = new HttpHeaders();
+            headers.setContentType(MediaType.parseMediaType(getContentType(audioFilePath)));
+            headers.setContentLength(file.length());
+            headers.set("Accept-Ranges", "bytes");
+            
+            return ResponseEntity.ok()
+                    .headers(headers)
+                    .body(resource);
+                    
+        } catch (Exception e) {
+            log.error("播放录音分段音频文件异常，ID: {}, error: {}", id, e.getMessage(), e);
+            return ResponseEntity.internalServerError().build();
+        }
+    }
+
+    /**
+     * 判断文件是否为音频文件
+     */
+    private boolean isAudioFile(String fileName) {
+        if (fileName == null || fileName.isEmpty()) {
+            return false;
+        }
+        
+        String extension = getFileExtension(fileName).toLowerCase();
+        String[] audioExtensions = {"mp3", "wav", "m4a", "aac", "ogg", "flac", "wma"};
+        
+        for (String ext : audioExtensions) {
+            if (ext.equals(extension)) {
+                return true;
+            }
+        }
+        
+        return false;
+    }
+
+    /**
+     * 获取文件扩展名
+     */
+    private String getFileExtension(String fileName) {
+        if (fileName == null || fileName.isEmpty()) {
+            return "";
+        }
+        
+        int lastDotIndex = fileName.lastIndexOf('.');
+        if (lastDotIndex > 0 && lastDotIndex < fileName.length() - 1) {
+            return fileName.substring(lastDotIndex + 1);
+        }
+        
+        return "";
+    }
+
+    /**
+     * 根据文件名获取Content-Type
+     */
+    private String getContentType(String fileName) {
+        String extension = getFileExtension(fileName).toLowerCase();
+        
+        switch (extension) {
+            case "mp3":
+                return "audio/mpeg";
+            case "wav":
+                return "audio/wav";
+            case "m4a":
+                return "audio/mp4";
+            case "aac":
+                return "audio/aac";
+            case "ogg":
+                return "audio/ogg";
+            case "flac":
+                return "audio/flac";
+            case "wma":
+                return "audio/x-ms-wma";
+            default:
+                return "application/octet-stream";
+        }
+    }
     /**
      * 分页查询录音分段列表
      */