fix:调试选择文件滚动加载

src/modules/prepare-lesson/modal/SelectPrepareFileModal.jsx

@@ -291,6 +291,7 @@ class SelectPrepareFileModal extends React.Component {
     const { fileListRef } = this.refs;
     // const hasReachBottom = fileListRef.scrollTop + fileListRef.clientHeight === fileListRef.scrollHeight;
     const hasReachBottom = fileListRef.scrollTop + fileListRef.clientHeight > fileListRef.scrollHeight - 1;
+    console.log("fileListRef.scrollTop + fileListRef.clientHeight",hasReachBottom,fileListRef.scrollTop , fileListRef.clientHeight,fileListRef.scrollHeight)
     if (!hasReachBottom || !hasMore) return;
     
     const currentFolder = folderPathList[folderPathList.length - 1];
@@ -579,8 +580,9 @@ class SelectPrepareFileModal extends React.Component {
           }
         </div>
         {
-          !_.isEmpty(folderList) ?
-           <div>
+          <Choose>
+          <When condition={!_.isEmpty(folderList)}>
+          <div>
             <div className="file-list"  
               onScrollCapture={() => this.handleScrollEvent()}
               style={{ height: '320px', overflowY: 'auto' }}
@@ -617,8 +619,7 @@ class SelectPrepareFileModal extends React.Component {
 
                   // 文件禁止点击的情况（移动、直播场景下文件为Excel、文件已经被关联了、文件不合法)
                   const disabled = hiddenVideo || (!isFolder && operateType === 'move') || (scene === 'liveCourse' && folder.folderFormat === 'EXCEL') || !!hasRelation || (!isFolder && !FILE_SUFFIX_LIST.includes(suffix));
-                  // console.log('currentFile',currentFile);
-                  // console.log('folder',folder);
+
                   let currentFileCheck = false;
                   if(currentFile){
                     currentFileCheck = (currentFile.id===folder.id)
@@ -666,12 +667,16 @@ class SelectPrepareFileModal extends React.Component {
                 })
               }
             </div>
-          </div> :
-            <LottieIcon
+          </div>
+          </When>
+          <Otherwise>
+          <LottieIcon
             title={<span className="desc">这个文件夹是空的</span>}
             type="college"
             size={150}
           />
+          </Otherwise>
+        </Choose>
         }
 
         <UploadProgressModal