视频增加背景音频播放功能

pages-roadShow/video/list.vue

@@ -52,6 +52,7 @@
                     autoplay
                     object-fit="contain"
                     show-mute-btn
+                	show-background-playback-button
                     :poster="item.cover_img_url"
                     :src="item.video_url"
                     enable-play-gesture

pages-roadShow/video/search.vue

@@ -39,6 +39,7 @@
                     autoplay
                     object-fit="contain"
                     show-mute-btn
+                    show-background-playback-button
                     :poster="item.cover_img_url"
                     :src="item.video_url"
                     enable-play-gesture

pages/roadShow/video/list.vue

@@ -52,6 +52,7 @@
                     autoplay
                     object-fit="contain"
                     show-mute-btn
+                    show-background-playback-button
                     :poster="item.cover_img_url"
                     :src="item.video_url"
                     enable-play-gesture

pages/video/videoList.vue

@@ -49,6 +49,7 @@
                     autoplay
                     object-fit="contain"
                     show-mute-btn
+                    show-background-playback-button
                     :poster="item.cover_img_url"
                     :src="item.video_url"
                     enable-play-gesture

pages/video/videoSearch.vue

@@ -40,6 +40,7 @@
                     autoplay
                     object-fit="contain"
                     show-mute-btn
+                    show-background-playback-button
                     :poster="item.cover_img_url"
                     :src="item.video_url"
                     enable-play-gesture