acdr-admin/yskj-ui/yskj-ui-mall-uniapp/pages/chat/components/messageList.vue
2024-09-13 11:31:48 +08:00

95 lines
3.4 KiB
Vue
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<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: 45px"></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';
const messageList = ref([]); // 消息列表
const showNewMessageTip = ref(false); // 显示有新消息提示
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({
pageNo: 1,
pageSize: 10,
});
const pagingRef = ref(null); // 虚拟列表
const queryList = async (pageNo, pageSize) => {
// 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
// 这里的pageNo和pageSize会自动计算好直接传给服务器即可
queryParams.pageNo = pageNo;
queryParams.pageSize = pageSize;
await getMessageList();
};
// 获得消息分页列表
const getMessageList = async () => {
const { data } = await KeFuApi.getKefuMessagePage(queryParams);
if (isEmpty(data.list)) {
return;
}
pagingRef.value.completeByTotal(data.list, data.total);
};
/** 刷新消息列表 */
const refreshMessageList = (message = undefined) => {
if (queryParams.pageNo != 1 && message !== undefined) {
showNewMessageTip.value = true;
// 追加数据
pagingRef.value.addChatRecordData([message], false);
return;
}
pagingRef.value.reload();
};
/** 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.pageNo === 1) {
return;
}
showNewMessageTip.value = false;
// 到底重置消息列表
refreshMessageList();
};
defineExpose({ getMessageList, refreshMessageList });
</script>