app/pages/chat/components/messageListItem.vue

<template>
  <view class="chat-box">
    <!--  消息渲染  -->
    <view class="message-item ss-flex-col scroll-item">
      <view class="ss-flex ss-row-center ss-col-center">
        <!-- 日期 -->
        <view v-if="
          message.contentType !== KeFuMessageContentTypeEnum.SYSTEM &&
          showTime(message, messageIndex)
        " class="date-message">
          {{ formatDate(message.createTime) }}
        </view>
        <!-- 系统消息 -->
        <view v-if="message.contentType === KeFuMessageContentTypeEnum.SYSTEM" class="system-message">
          {{ message.content }}
        </view>
      </view>


      <!-- 消息体渲染管理员消息和用户消息并左右展示  -->
      <view v-if="message.contentType !== KeFuMessageContentTypeEnum.SYSTEM" class="ss-flex ss-col-top" :class="[
        message.senderId !== userInfo.id
          ? `ss-row-left` : `ss-row-right`,
      ]">
        <!-- 客服头像 -->
        <image v-show="message.receiverId === userInfo.id" class="chat-avatar ss-m-r-24" :src="message.receiverAvatar ||
          default1
          " mode="aspectFill"></image>
        <template v-if="message.content.indexOf('components|') != -1">
          <view class="message-box" :class="{ admin: message.senderId === UserTypeEnum.ADMIN }">
            <template v-if="dynamicComponent(extractComponentName(message.content))">
              <enterprise-card v-if="extractComponentName(message.content) === 'enterpriseCard'" 
                :item="extractAttributes(message.content.split('|')[1])" />
              <enterprise-detail-card v-if="extractComponentName(message.content) === 'enterpriseDetailCard'"
                :item="extractAttributes(message.content.split('|')[1])" />
            </template>
          </view>
        </template>
        <template v-else>

          <!-- 内容 -->
          <template v-if="message.contentType === KeFuMessageContentTypeEnum.TEXT">
            <view class="message-box" :class="{ admin: message.senderId === UserTypeEnum.ADMIN }">
              <mp-html :content="replaceEmoji(getMessageContent(message).text || message.content)" />
            </view>
          </template>
          <template v-if="message.contentType === KeFuMessageContentTypeEnum.IMAGE">
            <view class="message-box" :class="{ admin: message.senderId === UserTypeEnum.ADMIN }"
              :style="{ width: '200rpx' }">
              <su-image class="message-img" isPreview
                :previewList="[sheep.$url.cdn(getMessageContent(message).picUrl || message.content)]" :current="0"
                :src="sheep.$url.cdn(getMessageContent(message).picUrl || message.content)" :height="200" :width="200"
                mode="aspectFill"></su-image>
            </view>
          </template>
          <template v-if="message.contentType === KeFuMessageContentTypeEnum.PRODUCT">
            <div class="ss-m-b-10">
              <GoodsItem :goodsData="getMessageContent(message)"
                @tap="sheep.$router.go('/pages/goods/index', { id: getMessageContent(message).spuId })" />
            </div>
          </template>
          <template v-if="message.contentType === KeFuMessageContentTypeEnum.ORDER">
            <OrderItem :orderData="getMessageContent(message)"
              @tap="sheep.$router.go('/pages/order/detail', { id: getMessageContent(message).id })" />
          </template>
          <template v-if="message.contentType === KeFuMessageContentTypeEnum.AI">
            <view class="message-box" :class="{ admin: message.senderId === UserTypeEnum.ADMIN }">
              <zero-markdown-view
                :markdown="replaceEmoji(getMessageContent(message).text || message.content)"></zero-markdown-view>
              <!-- <mp-html :content="replaceEmoji(getMessageContent(message).text || message.content)" /> -->
              <!-- {{ message.messageId }}----
              {{ loadingId }} -->
              <text v-if="loadingInput && message.isAi">...</text>
            </view>
          </template>
        </template>
        <!-- user头像 -->
        <image v-if="message.senderId === userInfo.id" class="chat-avatar ss-m-l-24" :src="message.receiverAvatar ||
          default1
          " mode="aspectFill">
        </image>
      </view>
    </view>
  </view>
</template>

<script setup>
import { computed, unref, inject } from 'vue';

import default1 from '/static/default.jpg';
import dayjs from 'dayjs';
import { KeFuMessageContentTypeEnum, UserTypeEnum } from '@/pages/chat/util/constants';
import { emojiList } from '@/pages/chat/util/emoji';
import sheep from '@/sheep';
import { formatDate, jsonParse } from '@/sheep/util';
import GoodsItem from '@/pages/chat/components/goods.vue';
import OrderItem from '@/pages/chat/components/order.vue';
const loadingInput = inject('loadingInput');
const props = defineProps({
  // 消息
  message: {
    type: Object,
    default: () => ({}),
  },
  // 消息索引
  messageIndex: {
    type: Number,
    default: 0,
  },
  // 消息列表
  messageList: {
    type: Array,
    default: () => [],
  },
});

const getMessageContent = computed(() => (item) => jsonParse(item.content)); // 解析消息内容
const userInfo = computed(() => sheep.$store('user').userInfo);

//======================= 工具 =======================

const showTime = computed(() => (item, index) => {
  if (unref(props.messageList)[index + 1]) {
    let dateString = dayjs(unref(props.messageList)[index + 1].createTime).fromNow();
    return dateString !== dayjs(unref(item).createTime).fromNow();
  }
  return false;
});

// 处理表情
function replaceEmoji(data) {
  let newData = data;
  if (typeof newData !== 'object') {
    let reg = /\[(.+?)]/g; // [] 中括号
    let zhEmojiName = newData.match(reg);
    if (zhEmojiName) {
      zhEmojiName.forEach((item) => {
        let emojiFile = selEmojiFile(item);
        newData = newData.replace(
          item,
          `<img class="chat-img" style="width: 24px;height: 24px;margin: 0 3px;vertical-align: middle;" src="${sheep.$url.cdn(
            '/static/img/chat/emoji/' + emojiFile,
          )}"/>`,
        );
      });
    }
  }
  return newData;
}
const extractAttributes = (tagString) => {
  // 使用正则表达式匹配所有属性
  const attrRegex = /(\w+)=["']({[^}]+}|[^"']+)["']/g;
  const attributes = {};

  let match;
  while ((match = attrRegex.exec(tagString)) !== null) {
    const [_, key, value] = match;
    try {
      // 尝试解析JSON格式的值
      attributes[key] = value.startsWith("{") ? JSON.parse(value) : value;
    } catch (e) {
      // 如果不是JSON格式,直接使用原始值
      attributes[key] = value;
    }
  }

  return attributes;
};
const extractComponentName = (tagString) => {
  // 使用正则表达式匹配所有标签中的组件名
  const regex = /<(\w+)(?:\s+[^>]*)?><\/\1>/g;
  const matches = [...tagString.matchAll(regex)];

  if (matches.length > 0) {
    // 返回所有匹配到的组件名称数组
    return matches.map((match) => match[1])[0];
  }
  return null; // 如果没有匹配到则返回null
};
function selEmojiFile(name) {
  for (let index in emojiList) {
    if (emojiList[index].name === name) {
      return emojiList[index].file;
    }
  }
  return false;
}
import enterpriseCard from '@/pages/chat/components/components/enterpriseCard.vue';
import enterpriseDetailCard from '@/pages/chat/components/components/enterpriseDetailCard.vue';
const dynamicComponent = (conm) => {
  const components = {
    enterpriseCard: enterpriseCard,
    enterpriseDetailCard: enterpriseDetailCard,
  };
  return components[conm];
};
</script>

<style scoped lang="scss">
.message-item {
  margin-bottom: 10rpx;
}

.date-message,
.system-message {
  width: fit-content;
  border-radius: 12rpx;
  padding: 8rpx 16rpx;
  margin-bottom: 16rpx;
  background-color: var(--ui-BG-3);
  color: #999;
  font-size: 24rpx;
}

.chat-avatar {
  width: 70rpx;
  height: 70rpx;
  border-radius: 50%;
}

.send-status {
  color: #333;
  height: 80rpx;
  margin-right: 8rpx;
  display: flex;
  align-items: center;

  .loading {
    width: 32rpx;
    height: 32rpx;
    -webkit-animation: rotating 2s linear infinite;
    animation: rotating 2s linear infinite;

    @-webkit-keyframes rotating {
      0% {
        transform: rotateZ(0);
      }

      100% {
        transform: rotateZ(360deg);
      }
    }

    @keyframes rotating {
      0% {
        transform: rotateZ(0);
      }

      100% {
        transform: rotateZ(360deg);
      }
    }
  }

  .warning {
    width: 32rpx;
    height: 32rpx;
    color: #ff3000;
  }
}

.message-box {
  max-width: 80%;
  font-size: 16px;
  white-space: normal;
  word-break: break-all;
  word-wrap: break-word;
  padding: 20rpx;
  color: #333;
  background: #fff;
  margin-top: 3px;
  margin-bottom: 9px;
  border-top-left-radius: 10px;
  border-bottom-right-radius: 10px;
  border-bottom-left-radius: 10px;

  &.admin {
    background: #fff;
    color: #333;
    margin-top: 3px;
    margin-bottom: 9px;
    border-radius: 0 10px 10px 10px;
  }

  :deep() {
    .imgred {
      width: 100%;
    }

    .imgred,
    img {
      width: 100%;
    }
  }
}

:deep() {

  .goods,
  .order {
    max-width: 500rpx;
  }
}

.message-img {
  width: 100px;
  height: 100px;
  border-radius: 6rpx;
}

.error-img {
  width: 400rpx;
  height: 400rpx;
}
</style>