1

hjzx-api/src/main/java/api/controller/HomeController.java

@@ -30,6 +30,8 @@ import javax.servlet.http.HttpServletResponse;
 import javax.sound.sampled.*;
 import java.io.*;
 import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 
@@ -104,9 +106,111 @@ public class HomeController extends BaseController {
         return Success("获取成功", map);
     }
 
+    @ApiOperation("getVolume")
+    @GetMapping("/getVolume")
+    public AjaxResult getVolume() {
+        String audioFilePath ="D:/6047871_2034_150732.mp3";
+        try {
+            return  Success(detectAudioVolume(audioFilePath)) ;
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+        return Success("Hello World!", new Date());
+    }
+    public static String  analyzeWavFile(String filePath) throws IOException {
+        File file = new File(filePath);
+        try (FileInputStream fis = new FileInputStream(file)) {
+            // 读取 WAV 文件头
+            byte[] header = new byte[44];
+            fis.read(header);
+
+            // 获取采样率
+            int sampleRate = ((header[27] & 0xFF) << 24) | ((header[26] & 0xFF) << 16) | ((header[25] & 0xFF) << 8) | (header[24] & 0xFF);
+
+            // 获取声道数
+            int numChannels = ((header[23] & 0xFF) << 8) | (header[22] & 0xFF);
+
+            // 获取位深度
+            int bitDepth = ((header[35] & 0xFF) << 8) | (header[34] & 0xFF);
+
+            // 计算音频总时长（秒）
+            long audioDataLength = file.length() - 44;
+            int bytesPerSample = bitDepth / 8;
+            long totalSamples = audioDataLength / (bytesPerSample * numChannels);
+            double duration = (double) totalSamples / sampleRate;
+
+            // 简单估算语速（这里以每秒采样点数表示，可根据实际情况调整）
+            double speechRate = totalSamples / duration;
+            System.out.println("语速（每秒采样点数）: " + speechRate);
+
+            // 计算音量（分贝）
+            double volumeInDb = calculateVolumeInDb(fis, numChannels, bitDepth);
+            System.out.println("音量 (dB): " + volumeInDb);
+            return  "语速（每秒采样点数）: " + speechRate+"音量 (dB): " + volumeInDb;
+        }
+    }
 
+    private static double calculateVolumeInDb(FileInputStream fis, int numChannels, int bitDepth) throws IOException {
+        long sumSquares = 0;
+        int sampleSize = bitDepth / 8;
+        int bytesRead;
+        byte[] buffer = new byte[sampleSize * numChannels];
+        fis.getChannel().position(44); // 定位到音频数据起始位置
+        while ((bytesRead = fis.read(buffer)) != -1) {
+            for (int i = 0; i < bytesRead; i += sampleSize) {
+                long sample = 0;
+                if (bitDepth == 8) {
+                    sample = buffer[i] & 0xFF;
+                } else if (bitDepth == 16) {
+                    sample = ((buffer[i + 1] & 0xFF) << 8) | (buffer[i] & 0xFF);
+                }
+                sumSquares += sample * sample;
+            }
+        }
+        long numSamples = (fis.getChannel().size() - 44) / (sampleSize * numChannels);
+        double rms = Math.sqrt((double) sumSquares / numSamples);
 
+        // 将 RMS 转换为分贝
+        double reference = Math.pow(2, bitDepth - 1);
+        return 20 * Math.log10(rms / reference);
+    }
+    public static String detectAudioVolume(String audioFilePath) throws IOException, InterruptedException {
+        // 构建 FFmpeg 命令
+        ProcessBuilder processBuilder = new ProcessBuilder(
+                "ffmpeg",
+                "-i", audioFilePath,
+                "-filter_complex", "volumedetect",
+                "-f", "null",
+                "-"
+        );
+
+        // 启动进程
+        Process process = processBuilder.start();
+
+        // 读取进程的错误输出流（FFmpeg 的音量信息通常在错误输出中）
+        BufferedReader reader = new BufferedReader(new InputStreamReader(process.getErrorStream()));
+        String line;
+        String regex = "mean_volume: (-?\\d+\\.?\\d*) dB";
+        Pattern pattern = Pattern.compile(regex);
+        while ((line = reader.readLine()) != null) {
+            Matcher matcher = pattern.matcher(line);
+            if (matcher.find()) {
+                String meanVolumeStr = matcher.group(1);
+                double meanVolume = Double.parseDouble(meanVolumeStr);
+                System.out.println("音频的平均音量分贝: " + meanVolume + " dB");
+                return  "音频的平均音量分贝: " + meanVolume + " dB";
+            }
+        }
 
+        // 等待进程结束
+        int exitCode = process.waitFor();
+        if (exitCode != 0) {
+            System.err.println("FFmpeg 命令执行失败，退出码: " + exitCode);
+        }
+        return  "";
+    }
     @ApiOperation("Hello World")
     @GetMapping("/")
     public AjaxResult Info() {

hjzx-api/src/main/java/api/controller/km/DocController.java

@@ -54,7 +54,14 @@ public class DocController extends BaseController {
         qw.eq(Doc::getDelFlag, 0);
         qw.eq(input.getDocId() != null && input.getDocId() > 0, Doc::getDocId, input.getDocId());
         qw.eq(input.getFileId() != null && input.getFileId() > 0, Doc::getFileId, input.getFileId());
-        qw.like(!StringHelper.isEmpty(input.getTitle()), Doc::getTitle, input.getTitle());
+        if (input.getTitle() != null) {
+            qw.and(wq -> {
+                wq.or().like(Doc::getTitle, input.getTitle());
+                wq.or().like(Doc::getKeywords, input.getTitle());
+                wq.or().like(Doc::getContent, input.getTitle());
+
+            });
+        }
         qw.like(!StringHelper.isEmpty(input.getSerialNumber()), Doc::getSerialNumber, input.getSerialNumber());
         qw.eq(input.getCategory()!=null&&input.getCategory()>0, Doc::getCategory, input.getCategory());
         qw.like(!StringHelper.isEmpty(input.getSource()), Doc::getSource, input.getSource());