随机播放模式下点击上一首： 上一首应该应该播放历史记录的第二首

entry/src/main/ets/view/LocalMusic.ets

@@ -3568,7 +3568,7 @@ export struct LocalMusic {
         this.videoUrl = this.currentSong.filePath
         this.name = this.currentSong.name
         this.cover = this.currentSong.pixelMapPath
-
+        this.artist = this.currentSong.artist
         LogUtil.info('this.currentSong.duration ='+this.currentSong.duration)
         LogUtil.info('this.currentSong.sampleRate ='+this.currentSong.sampleRate)
         LogUtil.info('this.currentSongmimeType ='+this.currentSong.mimeType)
@@ -8044,9 +8044,9 @@ export struct LocalMusic {
       onPrepared: async () => {
         LogUtils.getInstance().LOGI("setOnPreparedListener-->go");
         try {
-          this.cover = this.songList[this.curIndex].pixelMapPath
-          this.artist = this.songList[this.curIndex].artist
-          this.videoUrl = this.songList[this.curIndex].filePath
+          // this.cover = this.songList[this.curIndex].pixelMapPath
+          // this.artist = this.songList[this.curIndex].artist
+          // this.videoUrl = this.songList[this.curIndex].filePath
 
           let isBgCover = PreferencesUtil.getBooleanSync(SettingPage.iS_MUSIC_BG_COVER, true)
           if (isBgCover && this.cover !== undefined && StrUtil.isNotEmpty(this.cover)) {
@@ -8859,6 +8859,8 @@ export struct LocalMusic {
       this.stop();
       this.currentSong = this.songList[this.curIndex]
       this.videoUrl = this.songList[this.curIndex].filePath;
+      this.cover = this.songList[this.curIndex].pixelMapPath
+      this.artist = this.songList[this.curIndex].artist
       this.name = this.songList[this.curIndex].name
       this.startPlayOrResumePlay()
 
@@ -8913,6 +8915,8 @@ export struct LocalMusic {
       this.currentSong = this.songList[this.curIndex];
       this.videoUrl = this.songList[this.curIndex].filePath;
       this.name = this.songList[this.curIndex].name;
+      this.cover = this.songList[this.curIndex].pixelMapPath
+      this.artist = this.songList[this.curIndex].artist
       this.startPlayOrResumePlay();
     }
   }
@@ -8928,6 +8932,8 @@ export struct LocalMusic {
       this.currentSong = this.songList[this.curIndex]
       this.videoUrl = this.songList[index].filePath;
       this.name = this.songList[index].name
+      this.cover = this.songList[this.curIndex].pixelMapPath
+      this.artist = this.songList[this.curIndex].artist
       this.curIndex = index;
       this.startPlayOrResumePlay()
     }
@@ -8939,8 +8945,8 @@ export struct LocalMusic {
     if (!this.debounce()) {
       return;
     }
-    if (this.playType == 3) { //3：随机播放
-      this.randomPlay()
+    if (this.playType == 3) { //3：随机播放的上一首应该应该播放历史记录的第二首
+      this.randomModePlayFromHistory()
       return;
     }
     if (this.curIndex == 0) {
@@ -8954,8 +8960,42 @@ export struct LocalMusic {
     this.currentSong = this.songList[this.curIndex]
     this.videoUrl = this.songList[this.curIndex].filePath;
     this.name = this.songList[this.curIndex].name
+    this.cover = this.songList[this.curIndex].pixelMapPath
+    this.artist = this.songList[this.curIndex].artist
     this.startPlayOrResumePlay()
   }
+  //随机播放模式下点击上一首： 上一首应该应该播放历史记录的第二首
+  private randomModePlayFromHistory() {
+    if (this.historyList.length  >= 2) {
+      // 播放历史记录的第二首
+      const prevSong = this.historyList[1];
+      this.curIndex  = this.songList.findIndex(song  => song.filePath  === prevSong.filePath);
+      this.CONTROL_PlayStatus = PlayStatus.INIT;
+      this.stop();
+      this.currentSong  = prevSong;
+      this.videoUrl  = prevSong.filePath;
+      this.cover = prevSong.pixelMapPath
+      this.artist = prevSong.artist
+      this.name  = prevSong.name;
+      this.startPlayOrResumePlay();
+    } else {
+      // 如果历史记录不足两首，可根据需求处理，这里简单按普通逻辑处理
+      if (this.curIndex  === 0) {
+        this.curIndex  = this.songList.length  - 1;
+      } else {
+        this.curIndex--;
+      }
+      this.CONTROL_PlayStatus = PlayStatus.INIT;
+      this.stop();
+      this.currentSong  = this.songList[this.curIndex];
+      this.videoUrl  = this.songList[this.curIndex].filePath;
+      this.cover = this.songList[this.curIndex].pixelMapPath
+      this.artist = this.songList[this.curIndex].artist
+      this.name  = this.songList[this.curIndex].name;
+
+      this.startPlayOrResumePlay();
+    }
+  }
 
   debounce() {
     const delay = 600;