Merge branch 'lhd'

src/views/book/courseware/preview/components/image_text/components/MagazineSentence.vue

@@ -419,6 +419,7 @@ export default {
   },
   // 生命周期 - 挂载完成（可以访问DOM元素）
   mounted() {
+    this.handlePlay();
     this.audio.addEventListener('timeupdate', () => {
       this.currentTime = this.audio.currentTime;
       const currentTime = this.audio.currentTime;
@@ -481,6 +482,7 @@ export default {
           this.isPlay = false;
           this.currentTime = 0;
           this.sentenceActive -= 1;
+          this.handlePlay();
         } else {
           this.$message.warning('已经是第一句');
         }
@@ -489,6 +491,7 @@ export default {
         this.isPlay = false;
         this.currentTime = 0;
         this.sentenceActive += 1;
+        this.handlePlay();
       } else {
         this.$message.warning('已经是最后一句');
       }
@@ -518,6 +521,9 @@ export default {
       }
     },
   },
+  beforeDestroy() {
+    this.audio.pause();
+  },
 };
 </script>