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							- <template>
 
-   <!--  聊天虚拟列表  -->
 
-   <z-paging
 
-     ref="pagingRef"
 
-     v-model="messageList"
 
-     use-chat-record-mode
 
-     use-virtual-list
 
-     cell-height-mode="dynamic"
 
-     default-page-size="20"
 
-     :auto-clean-list-when-reload="false"
 
-     safe-area-inset-bottom
 
-     bottom-bg-color="#f8f8f8"
 
-     :back-to-top-style="backToTopStyle"
 
-     :auto-show-back-to-top="showNewMessageTip"
 
-     @backToTopClick="onBackToTopClick"
 
-     @scrolltoupper="onScrollToUpper"
 
-     @query="queryList"
 
-   >
 
-     <template #top>
 
-       <!-- 撑一下顶部导航 -->
 
-       <view :style="{ height: sys_navBar + 'px' }"></view>
 
-     </template>
 
-     <!-- style="transform: scaleY(-1)"必须写,否则会导致列表倒置!!! -->
 
-     <!-- 注意不要直接在chat-item组件标签上设置style,因为在微信小程序中是无效的,请包一层view -->
 
-     <template #cell="{ item, index }">
 
-       <view style="transform: scaleY(-1)">
 
-         <!--  消息渲染  -->
 
-         <MessageListItem
 
-           :message="item"
 
-           :message-index="index"
 
-           :message-list="messageList"
 
-         ></MessageListItem>
 
-       </view>
 
-     </template>
 
-     <!-- 底部聊天输入框 -->
 
-     <template #bottom>
 
-       <slot name="bottom"></slot>
 
-     </template>
 
-     <!-- 查看最新消息 -->
 
-     <template #backToTop>
 
-       <text>有新消息</text>
 
-     </template>
 
-   </z-paging>
 
- </template>
 
- <script setup>
 
-   import MessageListItem from '@/pages/chat/components/messageListItem.vue';
 
-   import { reactive, ref } from 'vue';
 
-   import KeFuApi from '@/sheep/api/promotion/kefu';
 
-   import { isEmpty } from '@/sheep/helper/utils';
 
-   import sheep from '@/sheep';
 
-   import { formatDate } from '@/sheep/util';
 
-   const sys_navBar = sheep.$platform.navbar;
 
-   const messageList = ref([]); // 消息列表
 
-   const showNewMessageTip = ref(false); // 显示有新消息提示
 
-   const refreshMessage = ref(false); // 更新消息列表
 
-   const backToTopStyle = reactive({
 
-     width: '100px',
 
-     'background-color': '#fff',
 
-     'border-radius': '30px',
 
-     'box-shadow': '0 2px 4px rgba(0, 0, 0, 0.1)',
 
-     display: 'flex',
 
-     justifyContent: 'center',
 
-     alignItems: 'center',
 
-   }); // 返回顶部样式
 
-   const queryParams = reactive({
 
-     no: 1, // 查询次数,只用于触底计算
 
-     limit: 20,
 
-     createTime: undefined,
 
-   });
 
-   const pagingRef = ref(null); // 虚拟列表
 
-   const queryList = async (no, limit) => {
 
-     // 组件加载时会自动触发此方法,因此默认页面加载时会自动触发,无需手动调用
 
-     queryParams.no = no;
 
-     queryParams.limit = limit;
 
-     await getMessageList();
 
-   };
 
-   // 获得消息分页列表
 
-   const getMessageList = async () => {
 
-     const { data } = await KeFuApi.getKefuMessageList(queryParams);
 
-     if (isEmpty(data)) {
 
-       pagingRef.value.completeByNoMore([], true);
 
-       return;
 
-     }
 
-     if (queryParams.no > 1 && refreshMessage.value) {
 
-       const newMessageList = [];
 
-       for (const message of data) {
 
-         if (messageList.value.some((val) => val.id === message.id)) {
 
-           continue;
 
-         }
 
-         newMessageList.push(message);
 
-       }
 
-       // 新消息追加到开头
 
-       messageList.value = [...newMessageList, ...messageList.value];
 
-       pagingRef.value.updateCache(); // 更新缓存
 
-       refreshMessage.value = false; // 更新好后重置状态
 
-       return;
 
-     }
 
-     if (data.slice(-1).length > 0) {
 
-       // 设置最后一次历史查询的最后一条消息的 createTime
 
-       queryParams.createTime = formatDate(data.slice(-1)[0].createTime);
 
-     }
 
-     pagingRef.value.completeByNoMore(data, false);
 
-   };
 
-   /** 刷新消息列表 */
 
-   const refreshMessageList = async (message = undefined) => {
 
-     if (typeof message !== 'undefined') {
 
-       // 追加数据
 
-       pagingRef.value.addChatRecordData([message], false);
 
-     } else {
 
-       queryParams.createTime = undefined;
 
-       refreshMessage.value = true;
 
-       await getMessageList();
 
-     }
 
-     // 若已是第一页则不做处理
 
-     if (queryParams.no > 1) {
 
-       showNewMessageTip.value = true;
 
-     } else {
 
-       onScrollToUpper();
 
-     }
 
-   };
 
-   /** 滚动到最新消息 */
 
-   const onBackToTopClick = (event) => {
 
-     event(false); // 禁用默认操作
 
-     pagingRef.value.scrollToBottom();
 
-   };
 
-   /** 监听滚动到底部事件(因为 scroll 翻转了顶就是底) */
 
-   const onScrollToUpper = () => {
 
-     // 若已是第一页则不做处理
 
-     if (queryParams.no === 1) {
 
-       return;
 
-     }
 
-     showNewMessageTip.value = false;
 
-   };
 
-   defineExpose({ getMessageList, refreshMessageList });
 
- </script>
 
 
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