重构代码, 移除warning

src/views/exam/components/PuzzleList.vue

@@ -309,8 +309,8 @@ export default class extends Vue {
   private tableData: IExamQuerstion[] = []
   private loading = false
   private downloadLoading = false
-  private filename = ''
-  private multipleSelection = []
+  private filename : string | null= ''
+  private multipleSelection : IExamQuerstion[] = []
   private deleteBtnName = '删除所有'
   private exportBtnName = '导出所有'
   private dialogVisible = false
@@ -338,7 +338,6 @@ export default class extends Vue {
       await this.getRemoteDeptList()
     } else if (UserModule.department) {
       this.shop = UserModule.department
-
     }
   }
 
@@ -368,8 +367,12 @@ export default class extends Vue {
 
   private defaultPuzzle() {
     return {
+      _id: '',
       question: '',
-      a1: ''
+      a1: '',
+      a2: '',
+      a3: '',
+      a4: ''
     }
   }
 
@@ -389,7 +392,6 @@ export default class extends Vue {
   }
 
   private handleEditQuestion(scope: any) {
-    const { $index, row } = scope
     this.dialogType = 'edit'
     this.dialogVisible = true
     this.record = cloneDeep(scope.row)
@@ -408,8 +410,8 @@ export default class extends Vue {
         type: 'warning'
       })
       if (this.multipleSelection.length > 0) {
-        this.questions = this.questions.filter(o => this.multipleSelection.indexOf(o) === -1)
-        this.$refs.question_table.clearSelection()
+        this.questions = this.questions.filter(o => this.multipleSelection.indexOf(o) === -1);
+        (this.$refs.question_table as any).clearSelection()
       } else {
         this.questions.length = 0
       }
@@ -565,7 +567,7 @@ export default class extends Vue {
     this.filename = parseTime(new Date(), '{y}{m}{d}{h}{i}{s}')
     const data = formatJson(tHeader, list)
     console.log('begin generate excel')
-    exportJson2Excel(tHeader, data, this.filename !== '' ? this.filename : undefined, undefined, undefined, true, 'xlsx')
+    exportJson2Excel(tHeader, data, this.filename ? this.filename : undefined, undefined, undefined, true, 'xlsx')
     this.downloadLoading = false
   }
 
@@ -642,7 +644,8 @@ export default class extends Vue {
       shop: this.shop
     })
     this.listLoading = false
-    this.shopExamList = data.records.filter(o => o._id !== this.examid)
+    const records: IExamData[] = data.records
+    this.shopExamList = records.filter(o => o._id !== this.examid)
   }
 
   private clickChange(item: any) {