71886 【管理端】新增开课-不填写任何内容，点击取消无反应

src/views/courseInformation/classManagement/index.vue

@@ -1230,7 +1230,7 @@
             <span style="color: #FF9900;cursor: pointer;" @click="showSelectedLesson"><span style="text-decoration: underline">已选{{ selectedLessonCount }}门</span>课程</span>
           </div>
           <div class="cancelArea">
-            <el-button class="cancelBtn" @click="handleDrawerClose">取 消</el-button>
+            <el-button class="cancelBtn" @click="drawerController.drawer = false">取 消</el-button>
             <el-button class="submitBtn" type="primary" @click="submitForm">确 定</el-button>
           </div>
         </div>
@@ -1594,7 +1594,6 @@ export default {
     handleDrawerClose() {
       this.resetAddFrom()
       this.handleLessonClear()
-      this.drawerController.drawer = false
       this.showLesson = false
       this.$nextTick().then(() => {
         this.$refs.lessonRef.clearValidate()
@@ -1863,14 +1862,14 @@ export default {
     handleLessonClear() {
       // 课程类型是企业类型
       // if (this.applicantType === '0') {
-        this.form.classPlan = ''
-        this.form.classPlanSchool = ''
-        this.form.jobClassification = ''
-        this.form.technicalClassification = ''
-        this.form.technicalClassSchool = ''
-        this.form.difficultyClassify = ''
-        this.jobClassification = []
-        this.technicalClassification = []
+      this.form.classPlan = ''
+      this.form.classPlanSchool = ''
+      this.form.jobClassification = ''
+      this.form.technicalClassification = ''
+      this.form.technicalClassSchool = ''
+      this.form.difficultyClassify = ''
+      this.jobClassification = []
+      this.technicalClassification = []
       // }
       this.getLessonQueryPage()
     },
@@ -1891,11 +1890,24 @@ export default {
     },
     /** 6.重置方法**/
     resetAddFrom() {
+      this.form = {
+        unitId: '',
+        unitName: '',
+        lessonId: '',
+        lessonName: '',
+        beginDate: null,
+        endDate: null,
+        classPlan: '',
+        lessonType: '',
+        settingList: []
+      }
       this.$refs.lessonRef.resetFields()
       this.total1 = 0
       this.lessonList = []
       this.multipleSelection = []
-      this.$refs.multipleTable.clearSelection()
+      if (this.$refs.multipleTable) {
+        this.$refs.multipleTable.clearSelection()
+      }
     },
     /** 7.当课程有值是将课程label查询*/
     handleLessonChange(value) {