退出全屏 ，需要水印1

src/components/VideoPlayer/index.vue

@@ -392,12 +392,11 @@ export default {
         console.log("按键 退出全屏 执行")
       }
     })
-
     // 监听全屏事件的变化，保存数据
     window.addEventListener("fullscreenchange", () => {
       this.isFullscreen = this.isFullScreen();
     });
-    window.addEventListener("keydown", (e) => {
+    this.videoDom.addEventListener("keydown", (e) => {
       console.log("是否监听到");
       if(e.keyCode == 27){
         console.log("是否监听到 esc");

src/views/study/coursenew.vue

@@ -167,7 +167,6 @@
             </div>
             <!-- 课程单元  -->
             <div class="course-units" v-if="tab == 1">
-
               <div :style="`height: ${controlHeight}px;overflow-y: auto;`">
                 <div class="catalog" v-if="courseInfo.type == 20">
                   <div  v-for="(item, index) in catalogTree" :key="index" :name="index">
@@ -461,7 +460,7 @@
       let localKey = "user_" + this.userInfo.sysId + "_gids";
       let hasIds = sessionStorage.getItem(localKey);
       this.audiences = hasIds ?? ''
-      // this.$watermark.set(this.userInfo.name + this.userInfo.loginName);
+      this.$watermark.set(this.userInfo.name + this.userInfo.loginName);
       this.courseId = this.$route.query.id;
       this.initContentId = this.$route.query.contentId;
       this.stopStudyTime();//先关闭
@@ -1140,7 +1139,7 @@
         //   }
         // }
         this.playerBoxShow = false;
-        this.onPlayerPlayFullscreen()
+        // this.onPlayerPlayFullscreen()
         // this.$watermark.set(this.userInfo.name + this.userInfo.loginName);
         let $this = this;
         //这里有些不准备，如果文件未能加载，这个事件就是错误的
@@ -1180,7 +1179,6 @@
       },
 
       onFullscreen(full) {
-        console.log("onFullscreen full 点击 exit 退出",full);
         let divId = 'videowatermark';
         var div = document.getElementById('myVideoPlayer')
         if (full) {
@@ -1198,17 +1196,15 @@
           div3.style.cssText =
             "position:absolute;pointer-events: none; width: 100%;height: 100%;top:0;left:0;bottom: 0;right: 0; display: flex;justify-content: center;flex-wrap: wrap;overflow: hidden; opacity:0.3;padding-top:10px";
           div.appendChild(div3);
+        } else {
+          console.log("去除水印 ---- gx ----");
+          var markDiv = div.querySelector("#" + divId);
+          console.log("去除水印 ---- gx markDiv ----",markDiv);
+          if (markDiv) {
+              console.log("执行去除水印 ---- gx markDiv ----",markDiv);
+      	      div.removeChild(markDiv);
+          }
         }
-        
-        // else {
-        //   console.log("去除水印 ---- gx ----");
-        //   var markDiv = div.querySelector("#" + divId);
-        //   console.log("去除水印 ---- gx markDiv ----",markDiv);
-        //   if (markDiv) {
-        //       console.log("执行去除水印 ---- gx markDiv ----",markDiv);
-      	//       div.removeChild(markDiv);
-        //   }
-        // }
       },
       onPlayerPause() {
         //console.log("暂停");