fix:修复创建直播课上传图片限制

src/modules/course-manage/components/AddLiveBasic.jsx

@@ -30,7 +30,8 @@ class AddLiveBasic extends React.Component {
       showCutModal: false,
       courseCatalogList:[],
       showSelectFileModal: false,
-      cutImageBlob: null
+      cutImageBlob: null,
+      hasImgReady: false // 图片是否上传成功
     }
   }
   componentWillUnmount() {
@@ -142,6 +143,7 @@ class AddLiveBasic extends React.Component {
                 const _dataUrl = this.clip()
                 self.setState({
                   dataUrl: _dataUrl,
+                  hasImgReady: false // 图片是否上传成功
                 })
               }, 100)
 
@@ -197,7 +199,8 @@ class AddLiveBasic extends React.Component {
   
   }
   render() {
-    const { showCutModal, imageFile,courseCatalogList,showSelectFileModal,visible,cutImageBlob} = this.state;
+    const { showCutModal, imageFile,courseCatalogList,showSelectFileModal,visible,cutImageBlob,hasImgReady
+    } = this.state;
     const { data,pageType,isEdit} = this.props;
     const { courseName,categoryName,coverUrl} = data;
     const fileName = '';
@@ -311,6 +314,7 @@ class AddLiveBasic extends React.Component {
             <Button
               key="submit"
               type="primary"
+              disabled={!hasImgReady}
               onClick={() => {
                 if (!cutFlag) {
                   cutFlag = true;