@@ -1,83 +1,124 @@
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import { useEffect, useMemo, useRef, useState } from 'react';
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import { useCallback, useEffect, useMemo, useState, type CSSProperties } from 'react';
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import { View, Text } from '@tarojs/components';
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import Taro from '@tarojs/taro';
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import Taro, { useReady } from '@tarojs/taro';
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type StoreRedeemMarqueeProps = {
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lines: string[];
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};
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/** 估算单行像素宽(12px 字号,DOM 测量失败时兜底) */
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function estimateTextWidth(text: string): number {
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let w = 0;
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for (const ch of text) {
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w += /[^\x00-\xff]/.test(ch) ? 12 : 7;
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}
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return Math.max(Math.ceil(w), 80);
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}
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/**
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* 横向走马灯(JS 位移)。
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* 微信小程序对 CSS max-content / translateX(-50%) 宽度计算不稳定,故不用纯 CSS 动画。
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* 门店核销动态走马灯(H5 + 微信小程序)
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*
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* - 用 Text 测自然内容宽(weapp 的 View 默认撑满父级,不能用来测宽)
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* - 两段显式同宽 + 轨道宽 = 2×段宽,CSS translateX(-50%) 无缝循环
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* - 测量失败时用字宽估算,仍能滚动
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*/
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export default function StoreRedeemMarquee({ lines }: StoreRedeemMarqueeProps) {
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const text = useMemo(
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() =>
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lines
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.map((s) => String(s || '').trim())
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.filter(Boolean)
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.join(' '),
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[lines],
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const segment = useMemo(() => {
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const joined = lines
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.map((s) => String(s || '').trim())
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.filter(Boolean)
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.join(' ');
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return joined ? `${joined} ` : '';
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}, [lines]);
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const measureId = useMemo(
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() => `sm${Math.random().toString(36).slice(2, 10)}`,
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[segment],
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);
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const [offset, setOffset] = useState(0);
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const halfWidthRef = useRef(0);
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const measureIdRef = useRef(`m${Date.now().toString(36)}`);
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const [segWidth, setSegWidth] = useState(0);
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const measure = useCallback(() => {
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if (!segment) {
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setSegWidth(0);
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return;
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}
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const fallback = estimateTextWidth(segment);
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Taro.nextTick(() => {
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try {
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Taro.createSelectorQuery()
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.select(`#${measureId}`)
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.boundingClientRect()
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.exec((res) => {
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const w = Number(res?.[0]?.width || 0);
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// weapp 若误测成容器宽,会接近视口;用估算兜底纠正
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if (w > 8 && w < fallback * 2.5) {
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setSegWidth(Math.ceil(w));
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} else {
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setSegWidth(fallback);
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}
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});
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} catch {
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setSegWidth(fallback);
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}
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});
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}, [segment, measureId]);
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useReady(() => {
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measure();
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});
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useEffect(() => {
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setOffset(0);
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halfWidthRef.current = 0;
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if (!text) return;
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const measure = () => {
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Taro.createSelectorQuery()
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.select(`#${measureIdRef.current}`)
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.boundingClientRect()
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.exec((res) => {
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const width = Number(res?.[0]?.width || 0);
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if (width > 0) halfWidthRef.current = width;
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});
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};
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if (!segment) {
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setSegWidth(0);
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return;
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}
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setSegWidth(0);
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measure();
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const t1 = setTimeout(measure, 80);
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const t2 = setTimeout(measure, 320);
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const t1 = setTimeout(measure, 100);
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const t2 = setTimeout(measure, 350);
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const t3 = setTimeout(() => {
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setSegWidth((prev) => (prev > 0 ? prev : estimateTextWidth(segment)));
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}, 600);
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return () => {
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clearTimeout(t1);
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clearTimeout(t2);
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clearTimeout(t3);
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};
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}, [text]);
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}, [segment, measure]);
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useEffect(() => {
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if (!text) return;
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const speedPxPerSec = 48;
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const intervalMs = 32;
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const step = (speedPxPerSec * intervalMs) / 1000;
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const timer = setInterval(() => {
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setOffset((prev) => {
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const half = halfWidthRef.current || Math.max(text.length * 7, 120);
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const next = prev - step;
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return -next >= half ? 0 : next;
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});
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}, intervalMs);
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return () => clearInterval(timer);
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}, [text]);
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if (!segment) return null;
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if (!text) return null;
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const segment = `${text} `;
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const running = segWidth > 0;
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const durationSec = Math.max(10, Math.min(90, segWidth / 42));
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const trackStyle: CSSProperties | undefined = running
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? {
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width: `${segWidth * 2}px`,
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animationDuration: `${durationSec}s`,
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// 微信 / Safari
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WebkitAnimationDuration: `${durationSec}s`,
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}
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: undefined;
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const segStyle: CSSProperties | undefined = running
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? { width: `${segWidth}px` }
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: undefined;
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return (
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<View className="store-detail-marquee">
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<View
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className="store-detail-marquee-track"
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style={{ transform: `translateX(${offset}px)` }}
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className={`store-detail-marquee-track${running ? ' is-running' : ''}`}
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style={trackStyle}
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>
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<View id={measureIdRef.current} className="store-detail-marquee-item">
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<Text className="store-detail-marquee-item-text">{segment}</Text>
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</View>
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<View className="store-detail-marquee-item">
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<Text className="store-detail-marquee-item-text">{segment}</Text>
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</View>
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<Text
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id={measureId}
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className="store-detail-marquee-seg store-detail-marquee-text"
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style={segStyle}
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>
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{segment}
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</Text>
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<Text className="store-detail-marquee-seg store-detail-marquee-text" style={segStyle}>
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{segment}
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</Text>
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</View>
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</View>
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);
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@@ -103,16 +103,29 @@ function formatRedeemAmountYuan(amount: number | string) {
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}
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function formatRecentRedeemLine(row: RecentRedeem) {
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if (row.text?.trim()) return row.text.trim();
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return `${row.userLabel || '用户***'} ${formatRedeemTime(row.createdAt)} 核销${formatRedeemAmountYuan(row.amount)}元`;
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try {
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if (row.text?.trim()) return row.text.trim();
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const label = String(row.userLabel || '用户***').trim() || '用户***';
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const time = formatRedeemTime(row.createdAt);
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const amount = formatRedeemAmountYuan(row.amount);
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return `${label} ${time} 核销${amount}元`;
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} catch {
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return '';
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}
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}
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function normalizeRecentRedeems(payload: unknown): RecentRedeem[] {
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if (Array.isArray(payload)) return payload as RecentRedeem[];
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if (payload && typeof payload === 'object') {
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const list = (payload as { list?: unknown; items?: unknown }).list
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?? (payload as { items?: unknown }).items;
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if (Array.isArray(list)) return list as RecentRedeem[];
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try {
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if (Array.isArray(payload)) return payload as RecentRedeem[];
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if (payload && typeof payload === 'object') {
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const list =
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(payload as { list?: unknown; items?: unknown; data?: unknown }).list ??
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(payload as { items?: unknown }).items ??
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(payload as { data?: unknown }).data;
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if (Array.isArray(list)) return list as RecentRedeem[];
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}
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} catch {
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/* ignore */
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}
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return [];
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}
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@@ -144,19 +144,52 @@
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flex-wrap: nowrap;
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align-items: center;
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height: 20px;
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will-change: transform;
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transform: translateX(0);
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}
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.store-detail-marquee-item {
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.store-detail-marquee-track.is-running {
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animation-name: store-detail-marquee-scroll;
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animation-timing-function: linear;
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animation-iteration-count: infinite;
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-webkit-animation-name: store-detail-marquee-scroll;
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-webkit-animation-timing-function: linear;
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-webkit-animation-iteration-count: infinite;
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}
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.store-detail-marquee-seg {
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display: inline-block;
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flex: none;
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box-sizing: content-box;
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white-space: nowrap;
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overflow: hidden;
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vertical-align: top;
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}
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.store-detail-marquee-item-text {
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.store-detail-marquee-text {
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white-space: nowrap;
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font-size: 12px;
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line-height: 20px;
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color: #a61d24;
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white-space: nowrap;
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}
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@keyframes store-detail-marquee-scroll {
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0% {
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transform: translateX(0);
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}
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100% {
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transform: translateX(-50%);
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}
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}
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@-webkit-keyframes store-detail-marquee-scroll {
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0% {
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-webkit-transform: translateX(0);
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transform: translateX(0);
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}
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100% {
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-webkit-transform: translateX(-50%);
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transform: translateX(-50%);
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}
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}
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.store-detail-section {
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Reference in New Issue
Block a user