feat:处理课件管理里的缺省的动图

package.json

@@ -80,6 +80,7 @@
     "react-dev-utils": "^10.2.1",
     "react-dom": "^16.13.1",
     "react-infinite-scroller": "^1.2.4",
+    "react-lottie": "^1.2.3",
     "react-router-dom": "^5.2.0",
     "react-sortable-hoc": "^1.11.0",
     "resolve": "1.15.0",

src/modules/course-manage/AddLive.less

 .add-live-page {
-  position:relative;
+  position:relative !important;
   .box {
     margin-bottom: 66px !important;
   }

src/modules/course-manage/modal/ManageCoursewareModal.jsx

@@ -312,8 +312,8 @@ class ManageCoursewareModal extends React.Component {
       >
         {_.isEmpty(_list) ? 
           <div className="empty-body">
-            {/* <img  className="empty-image" src="https://image.xiaomaiketang.com/xm/s8xkAPCDex.png" alt="" /> */}
-             <div id="lottie-box" className="empty-image"></div>
+             <div id="lottie-box" className="empty-image">
+             </div>
               <Button
                 className="empty-button"
                 type="primary"
@@ -322,6 +322,7 @@ class ManageCoursewareModal extends React.Component {
               <p className="empty-tip">提前上传直播需要的课件和素材，直播将会变得更便捷！</p>
           </div>
           : <div className="manage-body">
+            <div id="lottie-box" className="empty-image" style={{display:'none'}}></div>
             <div className="header">
               <Button
                 className="header-button"

src/modules/course-manage/video-course/AddVideoCourse.less

 .add-video-course-page {
-  position:relative;
+  position:relative !important;
   .box{
     margin-bottom:66px !important;
   }

src/modules/course-manage/video-course/components/VideoCourseList.jsx

@@ -2,7 +2,7 @@
  * @Author: 吴文洁
  * @Date: 2020-08-05 10:12:45
  * @LastEditors: zhangleyuan
- * @LastEditTime: 2021-01-25 21:51:42
+ * @LastEditTime: 2021-01-26 11:24:17
  * @Description: 视频课-列表模块
  * @Copyright: 杭州杰竞科技有限公司 版权所有
  */
@@ -136,7 +136,7 @@ class VideoCourseList extends React.Component {
       },
       {
         title: "观看用户数",
-        width: 130,
+        width: 110,
         key: "watchUserCount",
         dataIndex: "watchUserCount",
         render: (val, item) => {

src/modules/course-manage/video-course/components/VideoCourseList.less

 .video-course-list {
   margin-top: 12px;
-
+  .watchUserCount{
+    text-align:right;
+    padding:16px;
+  }
   .operate-text {
     color: #5289FA;
     cursor: pointer;