在字段为0的情况下隐藏特定导航条

client/src/pages/learn/course.vue

@@ -81,11 +81,10 @@
 
 <script>
 import cAction from '@action'
-
+const UserInfo = window.G.UserInfo.student_info || {}
 export default {
   components: {},
   data () {
-    const _global = this.$GLOBAL
     return {
       filter: {
         studyEarly: 'down',
@@ -97,9 +96,9 @@ export default {
         selectIndex: 0,
         key: 'course_type',
         arrItem: [
-          { val: '1', name: this.$t('action.courseAction.mustLearn'), show: (_global && _global.UserInfo).student_info.is_open_textbook_learning },
-          { val: '2', name: this.$t('action.courseAction.changeLearn'), show: (_global && _global.UserInfo).student_info.is_open_required_course },
-          { val: '3', name: this.$t('action.courseAction.repeatLearn'), show: (_global && _global.UserInfo).student_info.is_open_extended_course }
+          { val: '1', name: this.$t('action.courseAction.mustLearn'), show: UserInfo.is_open_textbook_learning },
+          { val: '2', name: this.$t('action.courseAction.changeLearn'), show: UserInfo.is_open_required_course },
+          { val: '3', name: this.$t('action.courseAction.repeatLearn'), show: UserInfo.is_open_extended_course }
         ]
       }],
       homeList: [], // 从后台请求