473 lines
13 KiB
Vue
473 lines
13 KiB
Vue
<template>
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<view class="chat-box" :style="{ height: pageHeight + 'px' }">
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<scroll-view
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:style="{ height: pageHeight + 'px' }"
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class="scroll"
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:scroll-y="true"
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:scroll-top="currentTop"
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@scroll="handle_scroll"
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@scrolltolower="upper"
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>
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<view v-for="(data, index) in scrollData" :key="index" :id="'item-' + index">
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<template v-if="includePage(index)">
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<!-- 消息渲染 -->
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<view class="message-item ss-flex-col scroll-item" v-for="(item, index2) in data" :key="index">
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<view class="ss-flex ss-row-center ss-col-center">
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<!-- 日期 -->
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<view v-if="item.contentType !== KeFuMessageContentTypeEnum.SYSTEM && showTime(item,data, index2)"
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class="date-message">
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{{ formatDate(item.createTime) }}
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</view>
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<!-- 系统消息 -->
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<view v-if="item.contentType === KeFuMessageContentTypeEnum.SYSTEM" class="system-message">
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{{ item.content }}
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</view>
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</view>
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<!-- 消息体渲染管理员消息和用户消息并左右展示 -->
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<view
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v-if="item.contentType !== KeFuMessageContentTypeEnum.SYSTEM"
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class="ss-flex ss-col-top"
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:class="[
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item.senderType === UserTypeEnum.ADMIN
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? `ss-row-left`
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: item.senderType === UserTypeEnum.MEMBER
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? `ss-row-right`
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: '',
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]"
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>
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<!-- 客服头像 -->
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<image
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v-show="item.senderType === UserTypeEnum.ADMIN"
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class="chat-avatar ss-m-r-24"
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:src="
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sheep.$url.cdn(item?.senderAvatar) ||
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sheep.$url.static('/static/img/shop/chat/default.png')
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"
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mode="aspectFill"
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></image>
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<!-- 发送状态 -->
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<span
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v-if="
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item.senderType === UserTypeEnum.MEMBER &&
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index == data.length - 1 &&
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isSendSuccess !== 0
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"
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class="send-status"
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>
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<image
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v-if="isSendSuccess == -1"
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class="loading"
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:src="sheep.$url.static('/static/img/shop/chat/loading.png')"
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mode="aspectFill"
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></image>
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<!-- <image
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v-if="chatData.isSendSuccess == 1"
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class="warning"
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:src="sheep.$url.static('/static/img/shop/chat/warning.png')"
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mode="aspectFill"
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@click="onAgainSendMessage(item)"
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></image> -->
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</span>
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<!-- 内容 -->
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<template v-if="item.contentType === KeFuMessageContentTypeEnum.TEXT">
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<view class="message-box" :class="{'admin': item.senderType === UserTypeEnum.ADMIN}">
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<mp-html :content="replaceEmoji(item.content)" />
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</view>
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</template>
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<template v-if="item.contentType === KeFuMessageContentTypeEnum.IMAGE">
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<view class="message-box" :class="{'admin': item.senderType === UserTypeEnum.ADMIN}"
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:style="{ width: '200rpx' }">
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<su-image
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class="message-img"
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isPreview
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:previewList="[sheep.$url.cdn(item.content)]"
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:current="0"
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:src="sheep.$url.cdn(item.content)"
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:height="200"
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:width="200"
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mode="aspectFill"
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></su-image>
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</view>
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</template>
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<template v-if="item.contentType === KeFuMessageContentTypeEnum.PRODUCT">
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<GoodsItem
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:goodsData="JSON.parse(item.content)"
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@tap="
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sheep.$router.go('/pages/goods/index', {
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id: JSON.parse(item.content).id,
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})
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"
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/>
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</template>
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<template v-if="item.contentType === KeFuMessageContentTypeEnum.ORDER">
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<OrderItem
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:orderData="JSON.parse(item.content)"
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@tap="
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sheep.$router.go('/pages/order/detail', {
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id: JSON.parse(item.content).id,
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})
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"
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/>
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</template>
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<!-- user头像 -->
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<image
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v-if="item.senderType === UserTypeEnum.MEMBER"
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class="chat-avatar ss-m-l-24"
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:src="sheep.$url.cdn(item?.senderAvatar) ||
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sheep.$url.static('/static/img/shop/chat/default.png')"
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mode="aspectFill"
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>
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</image>
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</view>
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</view>
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</template>
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<view v-if="!includePage(index)" :style="{ height: pagesHeight[index] }"></view>
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</view>
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</scroll-view>
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<!-- TODO puhui999: 这里还有一点问题 -->
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<view v-show="showGoBottom" class="go-back-btn" @click="handle_goBottom">查看最新消息</view>
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</view>
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</template>
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<script setup>
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import { nextTick, reactive, ref, unref } from 'vue';
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import { onLoad } from '@dcloudio/uni-app';
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import GoodsItem from './goods.vue';
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import OrderItem from './order.vue';
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import sheep from '@/sheep';
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import KeFuApi from '@/sheep/api/promotion/kefu';
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import { isEmpty } from '@/sheep/helper/utils';
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import { KeFuMessageContentTypeEnum, UserTypeEnum } from '@/pages/chat/components/constants';
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import { formatDate } from '@/sheep/util';
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import dayjs from 'dayjs';
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import { emojiList } from '@/pages/chat/emoji';
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const { safeArea } = sheep.$platform.device;
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const pageHeight = safeArea.height - 44 - 35 - 50;
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const currentShowPage = ref(0); // 当前展示的页码
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const pagesHeight = reactive([]); // 记录每个页面的高度
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const visiblePagesList = ref([-1, 0, 1]);
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const scrollData = ref([]);
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// 向上滚动
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const upper = async () => {
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// 页数据满十条后加载下一页
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if (currentShowPage.value === 0 || scrollData.value[currentShowPage.value - 1].length === 10) {
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currentShowPage.value += 1;
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}
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await getMessageList();
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await nextTick();
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setPageHeight();
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observer(currentShowPage.value);
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};
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// 获得消息分页列表
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const getMessageList = async (pageNo = undefined) => {
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const { data } = await KeFuApi.getKefuMessagePage({
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pageNo: pageNo || currentShowPage.value,
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});
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if (isEmpty(data.list)) {
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return;
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}
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scrollData.value[pageNo ? pageNo - 1 : currentShowPage.value - 1] = data.list;
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};
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defineExpose({ getMessageList });
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const scrollTop = ref(0); // 当前滚动区域距离顶部的距离
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const currentTop = ref(0);
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const showGoBottom = ref(false);
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// 滚动条滚动时触发
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const handle_scroll = throttle(event => {
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scrollTop.value = event[0].detail.scrollTop;
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if (scrollTop > 300) {
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showGoBottom.value = true;
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}
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}, 100);
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const handle_goBottom = () => {
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currentTop.value = scrollTop.value;
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nextTick(() => {
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currentTop.value = 0;
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});
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showGoBottom.value = false;
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};
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// 获取每页数据的页面高度
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const setPageHeight = () => {
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let query = uni.createSelectorQuery();
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query
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.select(`#item-${currentShowPage.value}`)
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.boundingClientRect(res => {
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console.log(res);
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pagesHeight[currentShowPage.value] = res && res.height;
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})
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.exec();
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};
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const observer = pageNum => {
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const observeView = wx
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.createIntersectionObserver()
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.relativeTo('#scroll', { top: 0, bottom: 0 });
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observeView.observe(`#item-${pageNum}`, res => {
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if (res.intersectionRatio > 0) visiblePagesList.value = [pageNum - 1, pageNum, pageNum + 1];
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});
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};
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// 虚拟列表展示可视区域的数据
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const includePage = index => {
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console.log(visiblePagesList.value, index);
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return visiblePagesList.value.indexOf(index) > -1;
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};
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// 防抖
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function throttle(fnc, delay) {
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let timer;
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return function() {
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let _this = this;
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let args = arguments;
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if (!timer) {
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timer = setTimeout(() => {
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fnc.call(_this, args);
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timer = null;
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}, delay);
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}
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};
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}
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const isSendSuccess = ref(0); // 是否发送成功 -1=发送中|0=发送成功|1发送失败
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onLoad(() => {
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setPageHeight();
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observer(currentShowPage.value);
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});
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//======================= 工具函数 =======================
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/**
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* 是否显示时间
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* @param {*} item - 数据
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* @param {*} index - 索引
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*/
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const showTime = (item, data, index) => {
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if (unref(data)[index + 1]) {
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let dateString = dayjs(unref(data)[index + 1].createTime).fromNow();
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return dateString !== dayjs(unref(item).createTime).fromNow();
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}
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return false;
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};
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// 处理表情
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function replaceEmoji(data) {
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let newData = data;
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if (typeof newData !== 'object') {
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let reg = /\[(.+?)\]/g; // [] 中括号
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let zhEmojiName = newData.match(reg);
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if (zhEmojiName) {
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zhEmojiName.forEach((item) => {
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let emojiFile = selEmojiFile(item);
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newData = newData.replace(
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item,
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`<img class="chat-img" style="width: 24px;height: 24px;margin: 0 3px;" src="${sheep.$url.cdn(
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'/static/img/chat/emoji/' + emojiFile,
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)}"/>`,
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);
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});
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}
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}
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return newData;
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}
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function selEmojiFile(name) {
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for (let index in emojiList) {
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if (emojiList[index].name === name) {
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return emojiList[index].file;
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}
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}
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return false;
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}
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</script>
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<style lang="scss" scoped>
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// scroll-view 倒置，也就是说顶部是底，底部才是顶，下拉加载旧数据，回到底部就是新数据
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.scroll {
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transform: rotate(180deg);
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& ::-webkit-scrollbar {
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display: none;
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width: 0;
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height: 0;
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color: transparent;
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}
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}
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// 内容区域也翻转一下
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.scroll-item {
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transform: rotate(180deg);
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}
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.go-back-btn {
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width: 100rpx;
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height: 60rpx;
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line-height: 60rpx;
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position: fixed;
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bottom: 100rpx;
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left: 80%;
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transform: translateX(-50%);
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text-align: center;
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background-color: lightblue;
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border-radius: 10rpx;
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}
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.chat-box {
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padding: 0 20rpx 0;
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.loadmore-btn {
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width: 98%;
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height: 40px;
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font-size: 12px;
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color: #8c8c8c;
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.loadmore-icon {
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transform: rotate(90deg);
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}
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}
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.message-item {
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margin-bottom: 33rpx;
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}
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.date-message,
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.system-message {
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width: fit-content;
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border-radius: 12rpx;
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padding: 8rpx 16rpx;
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margin-bottom: 16rpx;
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background-color: var(--ui-BG-3);
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color: #999;
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font-size: 24rpx;
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}
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.chat-avatar {
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width: 70rpx;
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height: 70rpx;
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border-radius: 50%;
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}
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.send-status {
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color: #333;
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height: 80rpx;
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margin-right: 8rpx;
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display: flex;
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align-items: center;
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.loading {
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width: 32rpx;
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height: 32rpx;
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-webkit-animation: rotating 2s linear infinite;
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animation: rotating 2s linear infinite;
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@-webkit-keyframes rotating {
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0% {
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transform: rotateZ(0);
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}
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100% {
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transform: rotateZ(360deg);
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}
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}
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@keyframes rotating {
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0% {
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transform: rotateZ(0);
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}
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100% {
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transform: rotateZ(360deg);
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}
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}
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}
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.warning {
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width: 32rpx;
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height: 32rpx;
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color: #ff3000;
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}
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}
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.message-box {
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max-width: 50%;
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font-size: 16px;
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line-height: 20px;
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// max-width: 500rpx;
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white-space: normal;
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word-break: break-all;
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word-wrap: break-word;
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padding: 20rpx;
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border-radius: 10rpx;
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color: #fff;
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background: linear-gradient(90deg, var(--ui-BG-Main), var(--ui-BG-Main-gradient));
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&.admin {
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background: #fff;
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color: #333;
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}
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:deep() {
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.imgred {
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width: 100%;
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}
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.imgred,
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img {
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width: 100%;
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}
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}
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}
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:deep() {
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.goods,
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.order {
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max-width: 500rpx;
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}
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}
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.message-img {
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width: 100px;
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height: 100px;
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border-radius: 6rpx;
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}
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.template-wrap {
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// width: 100%;
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padding: 20rpx 24rpx;
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background: #fff;
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border-radius: 10rpx;
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.title {
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font-size: 26rpx;
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font-weight: 500;
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color: #333;
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margin-bottom: 29rpx;
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}
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.item {
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font-size: 24rpx;
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color: var(--ui-BG-Main);
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margin-bottom: 16rpx;
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&:last-of-type {
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margin-bottom: 0;
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}
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}
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}
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.error-img {
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width: 400rpx;
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height: 400rpx;
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}
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#scrollBottom {
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height: 120rpx;
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}
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}
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</style>
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