代码格式优化，去除多余的引入

src/pages/testingHall/components/content.vue

@@ -17,19 +17,14 @@
 </template>
 
 <script setup>
-	import { ref, reactive, nextTick, onMounted } from 'vue';
+	import { ref, reactive} from 'vue';
 	import { queryTraExamPapersPage } from '@/api/testingHall.js';
-	import { queryTraCrsBbsInfoByCrsId } from '@/api/courseDetail.js';
 	import itemVue from './content-item.vue';
 	const status = ref('loadmore'); // loadmore - 加载前，loading - 加载中，nomore - 没有数据
 	const limit = 20;
 	const total = ref(-1);
 	const page = ref(0);
 	const data_list = reactive([]);
-
-	const triggered = ref(false);
-	const _freshing = ref(false);
-	const offset = ref(0);
 	const scrollRef = ref(null);
 	const props = defineProps({
 		index: {
@@ -37,16 +32,9 @@
 			default: 0
 		}
 	});
-	const onRefresh = () => {
-		if (_freshing.value) return;
-		_freshing.value = true;
-		setTimeout(() => {
-			triggered.value = false;
-			_freshing.value = false;
-		}, 1000);
-	};
+
 	const getData = (from = '', searchText = '') => {
-		if (from == 'first') {
+		if (from === 'first') {
 			if (total.value !== -1) return;
 			status.value = 'loading';
 			total.value = -1;
@@ -64,9 +52,9 @@
 				page: page.value,
 				limit: limit
 			};
-			if (props.index == 1) {
+			if (props.index === 1) {
 				params.examStat = 'Y';
-			} else if (props.index == 2) {
+			} else if (props.index === 2) {
 				params.examStat = 'N';
 			}
 			queryTraExamPapersPage(params)