购物车历史订单增加，代码优化

pages/index/components/statistics.vue

@@ -35,7 +35,7 @@
 </template>
 
 <script setup>
-	import { getCurrentInstance, ref, reactive } from 'vue';
+	import { ref, reactive } from 'vue';
 	import { onShow } from '@dcloudio/uni-app';
 
 	import dayjs from 'dayjs' //时间格式库
@@ -85,7 +85,7 @@
 			value: 'custom'
 		}
 	]
-	const currentInstance = getCurrentInstance()
+	const datePicker = ref()
 	onShow((options) => {
 		let iToken = uni.getStorageSync('iToken').tokenValue
 		if (iToken) {
@@ -185,7 +185,7 @@
 	function changeTime(e) {
 		selected.value = e
 		if (e == 'custom') {
-			currentInstance.ctx.$refs.datePicker.toggle()
+			datePicker.value.toggle()
 		} else {
 			getlist()
 		}