update list load

src/components/CustomerSelector.vue

@@ -8,29 +8,28 @@
 		@right-button-click="confirmSelection"
 	>
 		<div class="customer-selector">
-			<div class="search-wrapper">
-				<div class="search-row">
-					<t-input
-						v-model.trim="keyword"
-						class="search"
-						borderless
-						clearable
-						placeholder="搜索编码、姓名（拼音）、电话"
-					/>
-					<t-button
-						v-if="props.enableScan"
-						class="scan-button"
-						theme="primary"
-						@click="toggleScanner"
-					>
-						<template #icon>
-							<t-icon name="scan" />
-						</template>
-						<span v-text="scannerVisible ? '关闭扫码' : '扫码'" />
-					</t-button>
-				</div>
+			<div class="search-wrap">
+				<t-input
+					v-model.trim="keyword"
+					class="search"
+					borderless
+					clearable
+					placeholder="搜索编码、姓名（拼音）、电话"
+				/>
+				<t-button
+					v-if="props.enableScan"
+					class="scan"
+					size="small"
+					theme="primary"
+					@click="toggleScanner"
+				>
+					<template #icon>
+						<t-icon name="scan" />
+					</template>
+					<span v-text="scannerVisible ? '关闭扫码' : '扫码'" />
+				</t-button>
 			</div>
-			<div v-if="scannerVisible" class="scanner-wrapper">
+			<div v-if="scannerVisible" class="scanner-wrap">
 				<code-scanner
 					:visible="scannerVisible"
 					:status-text="scanStatus"
@@ -39,7 +38,13 @@
 					@status-change="handleScanStatusChange"
 				/>
 			</div>
-			<div ref="resultListRef" class="result-list">
+			<t-pull-down-refresh
+				class="result-list"
+				v-model="isRefreshing"
+				:refresh-timeout="30000"
+				@refresh="refresh"
+				@scrolltolower="loadCustomers"
+			>
 				<customer-list
 					:customer-list="customerOptions"
 					:selected-id-list="draftSelectedIdList"
@@ -47,13 +52,13 @@
 					:empty-text="loading ? '正在加载客户' : '未找到匹配客户'"
 					@select="toggleCustomer"
 				/>
-			</div>
+			</t-pull-down-refresh>
 		</div>
 	</bottom-popup>
 </template>
 
 <script setup lang="ts">
-import { Scroller } from "timi-web";
+import { Toolkit } from "timi-web";
 import { BottomPopup } from "timi-tdesign-mobile";
 import CustomerAPI from "@/api/CustomerAPI";
 import CodeScanner from "@/components/CodeScanner.vue";
@@ -86,18 +91,16 @@ const emit = defineEmits<{
 }>();
 
 const pageSize = 20;
-const scrollListenerName = "CustomerSelector";
 const keyword = ref("");
 const loading = ref(false);
 const noMore = ref(false);
 const pageIndex = ref(0);
 const totalCount = ref(0);
 const customerOptions = ref<Customer[]>([]);
-const resultListRef = ref<HTMLElement>();
+const isRefreshing = ref(false);
 const draftSelectedIdList = ref<string[]>([]);
 const selectedCustomerCache = new Map<string, Customer>();
 let searchToken = 0;
-let keywordTimer: number | undefined;
 const scannerVisible = ref(false);
 const scanStatus = ref("点击扫码开始识别");
 let latestDecodedText = "";
@@ -122,6 +125,18 @@ async function reloadCustomers(): Promise<void> {
 	await loadCustomers();
 }
 
+async function refresh(): Promise<void> {
+	try {
+		await reloadCustomers();
+	} finally {
+		isRefreshing.value = false;
+	}
+}
+
+const reloadByKeyword = Toolkit.debounce(async () => {
+	await reloadCustomers();
+}, false);
+
 async function loadCustomers(): Promise<void> {
 	if (loading.value || noMore.value) {
 		return;
@@ -161,19 +176,6 @@ async function loadCustomers(): Promise<void> {
 	}
 }
 
-async function bindScrollListener(): Promise<void> {
-	if (!props.visible || 0 === customerOptions.value.length) {
-		Scroller.removeListener(scrollListenerName);
-		return;
-	}
-	await nextTick();
-	Scroller.addBottomListener(scrollListenerName, loadCustomers, {
-		distance: 48,
-		canLoad: () => props.visible && !loading.value && !noMore.value,
-		getElement: () => resultListRef.value
-	});
-}
-
 function getModelValueIdList(): string[] {
 	const value = props.modelValue;
 	return (Array.isArray(value) ? value : [value]).filter((item): item is string => Boolean(item));
@@ -283,13 +285,11 @@ watch(() => props.visible, async (value) => {
 		latestDecodedText = "";
 		scanToken++;
 		scanStatus.value = "点击扫码开始识别";
-		window.clearTimeout(keywordTimer);
-		Scroller.removeListener(scrollListenerName);
+		reloadByKeyword.cancel();
 		return;
 	}
 	syncDraftSelection();
 	await reloadCustomers();
-	await bindScrollListener();
 });
 
 watch(() => props.enableScan, (value) => {
@@ -305,27 +305,17 @@ watch(() => props.storeId, async () => {
 		return;
 	}
 	await reloadCustomers();
-	await bindScrollListener();
 });
 
-watch(keyword, async () => {
+watch(keyword, () => {
 	if (!props.visible) {
 		return;
 	}
-	window.clearTimeout(keywordTimer);
-	keywordTimer = window.setTimeout(async () => {
-		await reloadCustomers();
-		await bindScrollListener();
-	}, 300);
-});
-
-watch(() => customerOptions.value.length, async () => {
-	await bindScrollListener();
+	reloadByKeyword();
 });
 
 onUnmounted(() => {
-	window.clearTimeout(keywordTimer);
-	Scroller.removeListener(scrollListenerName);
+	reloadByKeyword.cancel();
 });
 </script>
 
@@ -335,34 +325,31 @@ onUnmounted(() => {
 	display: flex;
 	flex-direction: column;
 
-	.search-wrapper {
+	.search-wrap {
+		gap: .5rem;
+		display: flex;
 		z-index: 1;
-		padding: 1rem 0 .5rem;
+		padding: .5rem;
 		box-shadow: 0 4px 4px rgba(0, 0, 0, .05);
-
-		.search-row {
-			gap: .5rem;
-			display: flex;
-			padding: 0 1rem;
-			align-items: center;
-		}
+		align-items: center;
 
 		.search {
 			--td-input-vertical-padding: 8px 14px;
 
 			flex: 1;
 			border: 1px solid var(--td-component-border);
+			padding: .25rem .5rem;
 			min-width: 0;
-			border-radius: .875rem;
+			border-radius: .75rem;
 		}
 
-		.scan-button {
+		.scan {
 			--td-button-border-radius: .75rem;
 			flex-shrink: 0;
 		}
 	}
 
-	.scanner-wrapper {
+	.scanner-wrap {
 		padding: .5rem 1rem 0;
 	}