yudao-ui-admin-vue3/src/views/im/Conversation/components/ConversationList.vue

<script setup lang="ts">
import { formatDate } from '@/utils/formatTime'
import { reactive } from 'vue'
/* 头像相关 */
import informIcon from '@/assets/imgs/im/avatar/inform.png'
/* route */
const route = useRoute()
/* router */
const router = useRouter()
//取系统通知数据
const informDetail = computed(() => {
  const informDetailArr = reactive([
    {
      from: '系统通知',
      desc: '您有一条新的通知',
      time: new Date(),
      untreated: 1
    }
  ])
  const lastInformDeatail = informDetailArr[0] || {}
  const untreated = 1
  return { untreated, lastInformDeatail }
})

//取好友列表(主要使用好友下的用户属性相关)
const friendList = reactive({
  1: {
    avatarurl: 'https://img.yzcdn.cn/vant/cat.jpeg'
  }
})
//取会话数据
const conversationList = reactive([
  {
    conversationKey: 1,
    conversationInfo: { avatarUrl: 'https://img.yzcdn.cn/vant/cat.jpeg' },

    name: '好友1',
    conversationType: 2,
    latestMessage: {
      msg: 'hello word!'
    },
    latestSendTime: new Date(),
    unreadMessageNum: 5,
    isMention: false
  }
])

//处理会话name
const handleConversationName = computed(() => {
  return ''
})
//处理lastmsg的from昵称
const handleLastMsgNickName = computed(() => {
  return ''
})
const emit = defineEmits(['toInformDetails', 'toChatMessage'])
//普通会话
const checkedConverItemIndex = ref(null)
const toChatMessage = (item, itemKey, index) => {
  checkedConverItemIndex.value = index
  console.log('选中的会话key', itemKey)
  //跳转至对应的消息界面
  emit('toChatMessage', itemKey, item.conversationType)
}
//删除某条会话
const deleteConversation = (itemKey) => {
  console.log('选中的会话key', itemKey)
}
</script>
<template>
  <el-scrollbar class="session_list" style="overflow: auto" tag="ul">
    <!-- 系统通知会话 -->
    <li
      v-if="JSON.stringify(informDetail.lastInformDeatail) !== '{}' && informDetail.untreated >= 1"
      class="session_list_item"
      @click="$emit('toInformDetails')"
    >
      <div class="item_body item_left">
        <!-- 通知头像 -->
        <div class="session_other_avatar">
          <el-avatar :size="34" :src="informIcon" />
        </div>
      </div>
      <div class="item_body item_main">
        <div class="name">系统通知</div>
        <div class="last_msg_body">
          {{ informDetail.lastInformDeatail.from }}:{{ informDetail.lastInformDeatail.desc }}
        </div>
      </div>
      <div class="item_body item_right">
        <span class="time">{{
          formatDate(informDetail.lastInformDeatail.time, 'MM/DD/HH:mm')
        }}</span>
        <span class="unReadNum_box" v-if="informDetail.untreated >= 1">
          <sup
            class="unReadNum_count"
            v-text="informDetail.untreated >= 99 ? '99+' : informDetail.untreated"
          ></sup>
        </span>
      </div>
    </li>
    <!-- 普通会话 -->
    <template v-if="Object.keys(conversationList).length > 0">
      <li
        v-for="(item, itemKey, index) in conversationList"
        :key="itemKey"
        @click="toChatMessage(item, itemKey, index)"
        :style="{
          background: checkedConverItemIndex === index ? '#E5E5E5' : ''
        }"
      >
        <el-popover
          popper-class="conversation_popover"
          placement="right-end"
          trigger="contextmenu"
          :show-arrow="false"
          :offset="-10"
        >
          <template #reference>
            <div class="session_list_item">
              <div class="item_body item_left">
                <div class="session_other_avatar">
                  <el-avatar
                    :size="34"
                    :src="
                      friendList[item.conversationKey] && friendList[item.conversationKey].avatarurl
                        ? friendList[item.conversationKey].avatarurl
                        : item.conversationInfo.avatarUrl
                    "
                  />
                </div>
              </div>
              <div class="item_body item_main">
                <div class="name"> 好友 </div>
                <div class="last_msg_body">
                  <span class="last_msg_body_mention" v-if="item.isMention">[有人@我]</span>
                  <span v-show="item.conversationType === 2">好友</span>
                  {{ item.latestMessage.msg }}
                </div>
              </div>
              <div class="item_body item_right">
                <span class="time">{{ formatDate(item.latestSendTime, 'MM/DD/HH:mm') }}</span>
                <span class="unReadNum_box" v-if="item.unreadMessageNum >= 1">
                  <sup
                    class="unReadNum_count"
                    v-text="item.unreadMessageNum >= 99 ? '99+' : item.unreadMessageNum"
                  ></sup>
                </span>
              </div>
            </div>
          </template>
          <template #default>
            <div class="session_list_delete" @click="deleteConversation(itemKey)"> 删除会话 </div>
          </template>
        </el-popover>
      </li>
    </template>
    <template v-else>
      <el-empty description="暂无最近会话" />
    </template>
  </el-scrollbar>
</template>

<style scoped lang="scss">
.session_list {
  position: relative;
  height: 100%;
  padding: 0;
  margin: 0;
}

.offline_hint {
  width: 100%;
  height: 30px;
  text-align: center;
  line-height: 30px;
  color: #f35f81;
  background: #fce7e8;
  font-size: 7px;

  .plaint_icon {
    display: inline-block;
    width: 15px;
    height: 15px;
    color: #e5e5e5;
    text-align: center;
    line-height: 15px;
    font-size: 7px;
    font-weight: bold;
    background: #e6686e;
    border-radius: 50%;
  }
}

.session_list .session_list_item {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  height: 66px;
  background: #f0f0f0;
  color: var(--el-color-primary);
  border-bottom: 1px solid var(--el-border-color);
  cursor: pointer;

  &:hover {
    background: #e5e5e5;
  }

  .item_body {
    display: flex;
    height: 100%;
  }

  .item_left {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    margin-left: 14px;
    margin-right: 10px;
  }

  .item_main {
    width: 225px;
    max-width: 225px;
    height: 34px;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;

    .name {
      min-width: 56px;
      max-width: 180px;
      height: 17px;
      font-weight: 400;
      font-size: 14px;
      /* identical to box height */
      color: #333333;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .last_msg_body {
      max-width: 185px;
      height: 17px;
      font-weight: 400;
      font-size: 12px;
      line-height: 17px;
      letter-spacing: 0.3px;
      color: #a3a3a3;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .last_msg_body_mention {
      font-size: 12px;
      line-height: 17px;
      font-weight: bold;
      color: red;
    }
  }

  .item_right {
    width: 25%;
    height: 34px;
    flex-direction: column;
    align-items: flex-end;
    margin-right: 10px;

    .time {
      font-size: 10px;
      font-weight: 400;
      font-size: 10px;
      line-height: 14px;
      letter-spacing: 0.25px;
      color: #a3a3a3;
    }

    .unReadNum_box {
      margin-top: 10px;
      vertical-align: middle;

      .unReadNum_count {
        display: inline-block;
        min-width: 20px;
        height: 20px;
        padding: 0 6px;
        color: #fff;
        font-weight: normal;
        font-size: 12px;
        line-height: 20px;
        white-space: nowrap;
        text-align: center;
        background: #f5222d;
        border-radius: 10px;
        box-sizing: border-box;
      }
    }
  }
}

.session_list_item_active {
  background: #d2d2d2;
}

.session_list .session_list_item + .list_item {
  margin-top: 10px;
}

.session_list_delete {
  cursor: pointer;
  transition: all 0.5s;

  &:hover {
    background: #e1e1e1;
  }
}
</style>