新活检结束，关闭摄像头

src/features/OnlineExam/Examing/FaceMotion/FaceMotion.vue

@@ -316,6 +316,7 @@ export default {
     this.run();
   },
   beforeDestroy() {
+    this.closeCamera();
     this.$Spin.hide();
   },
   methods: {
@@ -1051,6 +1052,16 @@ export default {
         throw "同步照片比较失败！";
       }
     },
+    closeCamera: function() {
+      console.log("关闭摄像头");
+      const video = document.getElementById("inputVideo");
+      if (video.srcObject) {
+        video.srcObject.getTracks().forEach(function(track) {
+          track.stop();
+        });
+        video.srcObject.srcObject = null;
+      }
+    },
   },
 };
 </script>