合并

public/react/src/modules/courses/exercise/ExerciseNewCommon.js

@@ -605,7 +605,7 @@ class ExerciseNewCommon extends Component{
                   <i className="iconfont icon-tianjiafangda color-white font-14 mr5" style={{ marginTop: '-1px', display: 'inline-block'}}></i>实训题
                 </ActionBtn>
 
-                {exercise_id && <ActionBtn style="blue" className="fr" onClick={() => this.goToPreview()}>
+                {exercise_id && !this.props.hidePreviewButton && <ActionBtn style="blue" className="fr" onClick={() => this.goToPreview()}>
                   {/* <i className="iconfont icon-tianjiafangda color-white font-14 mr5" style={{ marginTop: '-1px', display: 'inline-block'}}></i> */}
                   试卷预览
                 </ActionBtn>}

public/react/src/modules/user/usersInfo/banks/ExerciseBanksEdit.js

@@ -53,6 +53,7 @@ class ExerciseBanksEdit extends Component {
           {...this.props} 
           {...this.state} 
           {...common} 
+          hidePreviewButton={true}
           wrappedComponentRef={(ref) => this.exerciseNewCommonRef = ref}
           isEdit={true}
           shixunsUrl={`/exercise_banks/choose_shixun.json`}