歌词时间重置提前或者延后保存记忆功能

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

@@ -3245,7 +3245,7 @@ export struct LocalMusic {
                 Column() {
                   emptyView(this.themeColor)
                 }
-                .padding({ right:10 })
+                .padding({ right:6 })
                 .onClick(()=>{
                   this.asyncCurrentPathOnlyFile()
                 })
@@ -10186,7 +10186,8 @@ export struct LocalMusic {
     this.lyricTextWeight = PreferencesUtil.getNumberSync('lyricTextWeight', 400)
     this.lyricController.setTextWeight(this.lyricTextWeight)
     this.showSingleLyric = false
-    this.timeOffset = 0
+    // 加载已保存的歌词时间偏移
+    this.loadLyricTimeOffset()
     this.lyricController.setLyric(null)
     this.lyricControllerSingle.setLyric(null)
     let jiaMilyricPath = lyricPath.substring(0, lyricPath.lastIndexOf('.')) + '.lrcc'
@@ -12429,6 +12430,7 @@ export struct LocalMusic {
   private handlePrecisionAdjust(step: number) {
     if (step === 0) {
       this.timeOffset = 0
+      this.saveLyricTimeOffset()
       return
     }
     // 精度处理：保留1位小数
@@ -12440,6 +12442,8 @@ export struct LocalMusic {
     }
     // 状态更新
     this.timeOffset = newOffset
+    // 保存歌词时间偏移
+    this.saveLyricTimeOffset()
 
   }
 
@@ -12456,6 +12460,57 @@ export struct LocalMusic {
       ? '歌词时间已重置'
       : `歌词已${this.timeOffset < 0 ? '延后' : '提前'} ${absValue.toFixed(1)} 秒`
   }
+
+  /**
+   * 获取当前歌曲的唯一标识key
+   * 使用歌曲的filePath作为唯一标识
+   */
+  private getLyricOffsetKey(): string {
+    if (this.currentSong && StrUtil.isNotEmpty(this.currentSong.filePath)) {
+      // 使用MD5对filePath进行加密，作为存储key
+      return 'lyric_offset_' + MD5.digestSync(this.currentSong.filePath)
+    }
+    return ''
+  }
+
+  /**
+   * 保存当前歌曲的歌词时间偏移
+   */
+  private saveLyricTimeOffset(): void {
+    try {
+      const key = this.getLyricOffsetKey()
+      if (StrUtil.isEmpty(key)) {
+        console.warn('heanup saveLyricTimeOffset: key is empty')
+        return
+      }
+      PreferencesUtil.putSync(key, this.timeOffset)
+      console.info('heanup saveLyricTimeOffset: key=' + key + ', offset=' + this.timeOffset)
+    } catch (e) {
+      console.error('heanup saveLyricTimeOffset error: ' + JSON.stringify(e))
+    }
+  }
+
+  /**
+   * 加载当前歌曲的歌词时间偏移
+   */
+  private loadLyricTimeOffset(): void {
+    try {
+      const key = this.getLyricOffsetKey()
+      if (StrUtil.isEmpty(key)) {
+        console.warn('heanup loadLyricTimeOffset: key is empty')
+        return
+      }
+      const savedOffset = PreferencesUtil.getNumberSync(key, 0)
+      if (savedOffset !== 0) {
+        this.timeOffset = savedOffset
+        console.info('heanup loadLyricTimeOffset: key=' + key + ', offset=' + savedOffset)
+      }else{
+        this.timeOffset = 0
+      }
+    } catch (e) {
+      console.error('heanup loadLyricTimeOffset error: ' + JSON.stringify(e))
+    }
+  }
   // 导入  本地歌词 搜索歌词
   @Builder
   pushLyricButton(icon: Resource, step: number, label: string) {