修改全屏功能

src/components/pages/course.vue

@@ -287,7 +287,7 @@ export default {
       //     "&userid=" +
       //     this.userid
       // );
-      window.parent.postMessage({ cid: cid, type: "1" }, "*");
+      window.parent.postMessage({ cid: cid, screenType: "2" }, "*");
     },
     handle_remove(file, fileList) {
       var _tmp = this.fileList;