chat.nvue

<template>
  <!-- 设置导航栏标题，如与谁对话，群人数为几人等。注意：部分平台page-meta必须为第一个节点 -->
  <!-- #ifndef H5 -->
  <page-meta>
     <navigation-bar :title="navTitle" background-color="#f8f8f8" front-color="#000000" />
  </page-meta>
  <!-- #endif -->
  
  <!-- #ifdef H5 -->
  <view v-if="isWidescreen">
    <text style="position: absolute;z-index: 9;top: -45px;left: 15px;" :selectable="true">{{navTitle}}</text>
  </view>
  <page-meta v-else>
     <navigation-bar :title="navTitle" background-color="#f8f8f8" front-color="#000000" />
  </page-meta>
  <!-- #endif -->
 
  
  <view class="page" id="uni-im-chat">
    <!-- #ifdef H5 -->
    <!-- H5端 左上角显示未读消息数 ，nvue端使用setTitleNViewButtonBadge设置-->
    <view @click="tapUnreadCount" class="unread_count" v-if="unread_count != 0">
      {{ unread_count > 99 ? '99+' : unread_count }}
    </view>
    <!-- #endif -->

    <uni-im-msg-list v-if="conversation.id" :conversationId="conversation.id" ref="msg-list" @showControl="showControl" @chatInputContentAddcallUser="setCallAboutUidBefore"
      @retriesSendMsg="retriesSendMsg" :paddingBottom="msgListPaddingBottom + 'px'" class="msg-list"
      @clickItem="hideKeyboard" @putChatInputContent="putChatInputContent" :chooseMore="chooseMoreMsg"
      :checkedMsgList.sync="checkedMsgList"
    ></uni-im-msg-list>

    <!-- 聊天数据输入框 键盘弹出后要抬高底部内边距 全面屏的安全距离 -->
    <text v-if="conversation.leave" class="disable-input">- 你不是此群成员 -</text>
    <text v-else-if="conversation.isMuteAllMembers" class="disable-input">-  全群禁言禁止输入 -</text>
    <view v-else class="chat-foot">
      <!-- pc宽屏（width>960px）的输入框 -->
      <!-- #ifdef H5 -->
      <view v-if="isWidescreen" class="pc">
        <view class="tool-bar">
          <view class="icons">
            <uni-im-icons v-for="(item,index) in menuList" :key="index" @click.native.stop="clickMenu(index,$event)"
              :code="item.iconCode" size="24" color="#666666" :title.native="`选择${item.title}，并发送`"></uni-im-icons>
          </view>
          <template v-for="item in inputMsgToolBar" :key="item.component.name">
            <component :is="item.component" v-bind="item.props" @beforeSendMsg="beforeSendMsg" @sendMsg="sendMsg" @updateMsg="updateMsg" />
          </template>
        </view>
        <view class="answer-msg" v-if="answerMsg !== false">
          <text class="answer-msg-text">{{getNicknameByUid(answerMsg.from_uid)}}：{{trAnswerMsg(answerMsg)}}</text>
          <uni-icons @click="answerMsg = false" type="clear" color="#aaa" size="16px"></uni-icons>
        </view>
        <uni-im-chat-input ref="chat-input" class="textarea" @input="onInput" :maxlength="50000"
          v-model="chatInputContent" @focus="onChatInputFocus" @blur="onChatInputBlur" :focus="isFocus"
          placeholder="请输入消息" placeholder-style="color:#bbb;" @confirm="chatInputConfirm"
        ></uni-im-chat-input>
        <view class="send-btn-box">
          <text class="send-btn-tip">↵ 发送 / shift + ↵ 换行</text>
          <button @click="chatInputConfirm" :disabled="!canSend" class="send" type="primary">发送</button>
        </view>
      </view>
      <!-- #endif -->

      <!-- 非pc宽屏（width<960px）的输入框 -->
      <template v-if="!isWidescreen">
        <view v-if="showInputBox" class="input-box">
          <!-- 切换为语音模式 -->
          <!-- #ifdef H5 -->
          <!-- <view class="camera-filled-box" @click="chooseFileSendMsg('image')">
            <uni-icons type="camera-filled" size="20px" color="#FFF"></uni-icons>
          </view> -->
          <!-- #endif -->
          <!-- #ifndef H5 -->
          <uni-im-icons @click="changeSoundIsShow" :code="soundIsShow?'e69f':'e684'" size="30"
            class="icon"></uni-im-icons>
          <!-- #endif -->
          <view class="input-box-conetnt">
            <view class="textarea-box">
              <textarea :cursor="inputCursor" v-model="chatInputContent" @input="onInput" @confirm="beforeSendMsg()"
                @linechange="linechange" :flex="true" :style="{ height: textareaHeight + 'px' }"
                :disable-default-padding="false" :hold-keyboard="true" :confirm-hold="true" :auto-blur="false"
                confirm-type="send" :show-confirm-bar="false" :cursor-spacing="20" maxlength="50000" :focus="systemInfo.uniPlatform === 'app'?'':isFocus"
                @focus="onChatInputFocus" @blur="onChatInputBlur" :fixed="true" :adjust-position="false"
                class="textarea" ref="chat-input" />
            </view>
            <view class="answer-msg" v-if="answerMsg !== false">
              <text class="answer-msg-text">{{getNicknameByUid(answerMsg.from_uid)}}：{{trAnswerMsg(answerMsg)}}</text>
              <uni-icons @click="answerMsg = false" type="clear" color="#aaa" size="16"></uni-icons>
            </view>
            <uni-im-sound class="uni-im-sound" v-if="soundIsShow" @success="sendSound"></uni-im-sound>
          </view>
          <uni-im-icons @click.native.stop="changeEmojiIsShow" :code="emojiIsShow?'e69f':'e646'" size="30"
            class="icon"></uni-im-icons>
          <text v-if="!soundIsShow&&chatInputContent" @click.prevent="beforeSendMsg()" class="icon beforeSendMsg">发送</text>
          <!-- #ifndef H5 -->
          <uni-im-icons v-else @click.native.stop="changeMenuIsShow" code="e75a" size="30" class="icon"></uni-im-icons>
          <!-- #endif -->
        </view>

        <view v-if="menuIsShow||emojiIsShow" class="media-box" :style="{height:keyboardMaxHeight+'px'}">
          <view v-if="menuIsShow" class="menu" :style="{height:keyboardMaxHeight+'px'}">
            <view class="menu-item" v-for="(item,index) in menuList" :key="index" @click.stop="clickMenu(index,$event)">
              <view class="menu-item-icon">
                <uni-im-icons :code="item.iconCode" size="26"></uni-im-icons>
              </view>
              <text class="menu-item-text">{{item.title}}</text>
            </view>
          </view>
          <scroll-view :scroll-y="true" v-if="emojiIsShow" class="emojiListBox"
            :style="{height:keyboardMaxHeight+'px'}">
            <text v-for="(uniCodeEmoji,index) in emojiCodes" :key="index"
              @click.stop="clickEmojiItem(uniCodeEmoji,$event)" class="emoji-item">{{uniCodeEmoji}}</text>
          </scroll-view>
        </view>
        <!-- #ifndef H5 -->
        <!-- 调整输入框的位置，占位专用：键盘高度 或 全面屏底部不可用区域高度 -->
        <view v-else :style="{height: (keyboardHeight || phoneBH) +'px'}"></view>
        <!-- #endif -->
      </template>
    </view>

    <msg-popup-control ref="msg-popup-control" @answer="setAnswerMsg" @share="shareMsg" @chooseMore="chooseMoreMsg = true;checkedMsgList = $event"></msg-popup-control>

    <template v-if="showAboutUidBox && memberList.length != 0">
      <view class="member-list-mark" @click.stop="showAboutUidBox = false"></view>
      <scroll-view scroll-y="true" class="member-list" :scroll-top="memberListScrollTop">
        <view v-for="(item,index) in memberList" :key="item._id" class="member-list-item"
          :class="{'member-list-item-active':callAboutUid == item.users._id}" @mouseover="callAboutUid = item.users._id"
          @click="setCallAboutUid(item.users._id)" :id="'a'+item.users._id">
          {{item.users.nickname}}
        </view>
      </scroll-view>
    </template>


    <!-- #ifdef H5 -->
    <uni-im-share-msg id="uni-im-share-msg" ref="share-msg"></uni-im-share-msg>
    <!-- #endif -->
    
    
    <view style="position: fixed;top: 200px;left: 0;background-color: #FFFFFF;">
     <!-- showAboutUidBox：{{showAboutUidBox}}-
      aboutUserKeyword:{{aboutUserKeyword}}-
			conversation.leave:{{conversation.leave}}
      msgListPaddingBottom:{{msgListPaddingBottom}}
			keyboardHeight:{{keyboardHeight}}
			keyboardMaxHeight:{{keyboardMaxHeight}}
			systemInfo.osName:{{systemInfo.osName}}
      chooseMoreMsg:{{chooseMoreMsg}}
      checkedMsgList:{{checkedMsgList}} -->
		</view>
    
    <view v-if="chooseMoreMsg" class="toolbar" @click="chooseMoreMsg = false">
      <view class="item" @click="shareMsg(checkedMsgList)">
        <view class="icons-box">
          <uni-icons size="35" type="redo"></uni-icons>
        </view>
        <text class="title">逐条转发</text>
      </view>
      <view class="item" @click="shareMsg(checkedMsgList,true)">
        <view class="icons-box">
          <uni-icons size="35" type="paperplane"></uni-icons>
        </view>
        <text class="title">合并转发</text>
      </view>
      <view class="item" @click="toolBarNext">
        <view class="icons-box">
          <uni-icons size="35" type="folder-add"></uni-icons>
        </view>
        <text class="title">收藏</text>
      </view>
      <view class="item" @click="toolBarNext">
        <view class="icons-box">
          <uni-icons size="35" type="download"></uni-icons>
        </view>
        <text class="title">保存至电脑</text>
      </view>
      <view class="item" @click="toolBarNext">
        <view class="icons-box">
          <uni-icons size="35" type="trash"></uni-icons>
        </view>
        <text class="title">删除</text>
      </view>
      <uni-icons @click="chooseMoreMsg = false" color="#999" size="35" type="closeempty"></uni-icons>
    </view>
  </view>
</template>

<script>
  import uniIm from '@/uni_modules/uni-im/sdk/index.js';
  import msgPopupControl from '@/uni_modules/uni-im/components/uni-im-msg/popup-control.vue';
  import {markRaw} from "vue";

  // #ifdef APP-NVUE
  // 定义weex的dom模块（https://doc.weex.io/zh/docs/modules/dom.html#scrolltoelement）
  const dom = weex.requireModule('dom') || {};
  // #endif

  import {
    store as uniIdStore
  } from '@/uni_modules/uni-id-pages/common/store';
  import emojiCodes from './emojiCodes.js';

  let shiftKeyPressed = false;
  let lastKeyDown = ""
  let currentCursor = ''

/**
 * chat 组件，渲染一个完整的会话，包括头部、消息列表、输入区。
 * 
 * @module
 * 
 * @see 用于渲染消息列表的组件 {@link module:uni-im-msg-list}
 */
  export default {
    components: {
      msgPopupControl
    },
    data() {
      return {
        inputMsgToolBar:[],
        // 当前会话对象
        conversation: {
          id: false,
          leave:false
        },
        //聊天输入框高度
        textareaHeight: 26,
        menuIsShow: false,
        emojiIsShow: false,
        soundIsShow: false,
        menuList: [{
            "title": "图片",
            "iconCode": "e7be"
          },
          {
            "title": "视频",
            "iconCode": "e690"
          },
          {
            "title": "文件",
            "iconCode": "e69e"
          }
        ],
        navTitle:"",//导航栏标题
        keyboardHeight: 0,
        keyboardMaxHeight: 260,
        emojiCodes: emojiCodes,
        isFocus: false,
        answerMsg: false,
        callAboutUid: false,
        showAboutUidBox: false,
        inputCursor: '',
        // @用户时的搜索词
        aboutUserKeyword: '',
        memberListScrollTop: 0,
        chooseMoreMsg: false,
        checkedMsgList: []
      };
    },
    props: {
      // #ifdef VUE3
      conversation_id: {
        default: ''
      }
      // #endif
    },
    computed: {
      ...uniIm.mapState(['currentConversationId', 'conversationDatas', 'isWidescreen', 'systemInfo']),
      unread_count() {
        // 所有会话的未读消息数
        const unreadCount = uniIm.conversation.unreadCount()

        // #ifdef APP-PLUS
        // 给标题栏返回按钮添加数字角标，表示有几条其他会话的未读消息数
        plus.webview.currentWebview().setTitleNViewButtonBadge({
          index: 0,
          text: unreadCount
        })
        // #endif

        return unreadCount
      },
      isSafariPc() {
        return this.systemInfo.browserName == 'safari' && this.isWidescreen
      },
      group_member() {
        let group_member = this.conversation.group_member
        if (!this.callAboutUid && typeof group_member == 'object') {
          this.callAboutUid = Object.keys(this.conversation.group_member)[0]
        }
        return group_member
      },
      memberList() {
        // 当前输入框已经@了的用户id 要过滤掉 
        let callUidList = this.getCallUid(this.chatInputContent)
        
        let group_member = this.group_member || {}
        let memberList = []
        for (let key in group_member) {
          let member = group_member[key]
          if(member.users.nickname){
            let nickname = member.users.nickname.toLowerCase()
            if (nickname.indexOf(this.aboutUserKeyword.toLowerCase()) != -1 && !callUidList.includes(member.users._id)) {
              memberList.push(member)
            }
          }
        }
        if (memberList.length) {
          let has = memberList.find(member => member.users._id == this.callAboutUid)
          if (!has) {
            this.callAboutUid = memberList[0].users._id
          }
        } else {
          // 没有数据时也不隐藏，因为用户可能回删@用户的关键词
          // this.showAboutUidBox = (memberList.length != 0)
        }
        // 按昵称排序
        return memberList.sort((a, b) => {
          return a.users.nickname.localeCompare(b.users.nickname)
        })
      },
      //聊天数据
      //当前会话的聊天框文字内容
      chatInputContent: {
        get() {
          // console.log('this.conversation',this.conversation);
          return this.conversation?.chatInputContent || '';
        },
        set(chatInputContent) {
          // #ifdef APP-NVUE
          if(this.nvueSetChatInputContent){
            clearTimeout(this.nvueSetChatInputContent)
          }
          this.nvueSetChatInputContent = setTimeout(()=>this.conversation.chatInputContent = chatInputContent,1000)
          // #endif
          // #ifndef APP-NVUE
          this.conversation.chatInputContent = chatInputContent
          // #endif
        }
      },
      canSend() {
        if(typeof this.chatInputContent === 'string'){
          return this.chatInputContent.trim() != ''
        }else{
          return this.chatInputContent.html.length != 0
        }
      },
      //当前用户自己的uid
      current_uid() {
        return uniIdStore.userInfo._id;
      },
      phoneBH() {
         // #ifdef H5
        return 0
        // #endif
        
       // #ifndef H5
        return this.systemInfo.safeAreaInsets.bottom
        // #endif
      },
      msgListPaddingBottom() {
        // #ifdef H5
        // 是否为pc宽屏（width>960px）
        if (this.isWidescreen) {
          return 0
        }else{
          return 56
        }
        // #endif

        let msgListPaddingBottom = this.textareaHeight + 30
        if (this.keyboardHeight || this.menuIsShow || this.emojiIsShow) {
          msgListPaddingBottom += this.keyboardMaxHeight
        }
        if (!this.keyboardHeight) {
          msgListPaddingBottom += this.phoneBH
        }
        return msgListPaddingBottom
      },
      // 临时方案 修复（兼容）微信小程序框架的bug：iOS端textarea组件 在 iOS 真机下 无法动态切换绑定 onInput 事件
      // 大家可以一起顶帖 链接地址：https://developers.weixin.qq.com/community/develop/doc/0002a02800cd90b9632efeab55b000
      showInputBox() {
        // #ifndef MP-WEIXIN
        return true
        // #endif
        // #ifdef MP-WEIXIN
        return this.conversation.id
        // #endif
      }
    },
    created() {
      // 监听推送消息
      this.onImMsg = (res) => {
        if(uniIm.isDisabled){
          return console.log('uniIm isDisabled')
        }
        //获取透传内容
        const {
          type,
          data
        } = res.data.payload;
        //判断消息类型是否为im，且为当前页面对应会话消息
        if (
          type == "uni-im" 
          && data.conversation_id == this.currentConversationId 
          && data.from_uid != this.current_uid 
          && uniIm.utils.isReadableMsg(data)
        ) {
          // 已经打开相应会话时，收到消息，则设置此会话为已读。注意无需判断，本地会话未读数是否为0，因为云端可能不为0
          this.conversation.clearUnreadCount();
          console.log('聊天页面-收到消息: ', JSON.stringify(res));
          // 需要重新设置滚动条的高，以至于用户可以立即看到（即：滚动到最后一条消息）
          // console.log(66666);

          // 注：为兼容web-PC端这里必须使用setTimeout 0
          setTimeout(() => {
            this.$refs['msg-list']?.notifyNewMsg()
          }, 0);
        }
      }
      uniIm.onMsg(this.onImMsg);

      // #ifdef H5
      //通过监听窗口变化 获取键盘弹出或收起事件
      window.addEventListener('resize', () => {
        if (this.currentConversationId) {
          this.showLast(0);
          this.soundIsShow = false
        }
      })
      // #endif

      this.onKeyboardHeightChange = ({
        height
      }) => {
        this.keyboardHeight = height
        // console.log('height',height)
        if (height) {
          this.keyboardMaxHeight = height
        }
        this.$nextTick(() => {
          this.showLast();
          // 临时方案：解决部分情况下 web-pc nvue 平台下不能滚动到最后一条消息的问题
          setTimeout(() => {
            this.showLast()
          }, 800)
        });
      }
      // #ifndef H5
      // 监听键盘高度变化显示最后一条消息
      uni.onKeyboardHeightChange(this.onKeyboardHeightChange);
      // #endif
      
      // #ifdef H5
      const oldWindowHeight = window.innerHeight;
      window.onresize = ()=>{
        this.onKeyboardHeightChange({"height": oldWindowHeight - window.innerHeight})
      }
      // #endif
    },
    mounted() {
      // #ifdef H5
      // 以下为实现拖拽或粘贴图片至聊天页面，直接发送的逻辑
      const chatBodyDom = document.getElementById("uni-im-chat")
      // 阻止默认事件
      chatBodyDom.addEventListener(
        'dragover',
        function(event) {
          event.preventDefault();
        },
        false
      );
      // 拖拽结束时触发
      chatBodyDom.addEventListener(
        'drop',
        e => {
          //取消默认浏览器拖拽效果
          e.preventDefault();
          //获取文件对象
          let fileList = e.dataTransfer.files;
          if (fileList.length == 0) {
            return false;
          }
          const [file] = fileList
          let fileType = file.type.split('/')[0] || 'file'
          if (fileList === 'image') {
            let blobUrl = window.URL.createObjectURL(file);
            if(this.chatInputContent === ''){
              this.$refs["chat-input"]?.setHtml(`<img src="${blobUrl}" />`)
            }else{
              this.$refs["chat-input"]?.addHtmlToCursor(`<img src="${blobUrl}" />`)
            }
            return false; // 拖拽图片内容进入输入框先不发送
          }
          
          let {
            name,
            size
          } = file
          // console.log(78979798,fileList);
          const blobUrl = window.URL.createObjectURL(file);
          this.uploadFileAndSendMsg({
              tempFiles:[{
                size,
                name,
                path:blobUrl,
                fileType
              }]
          })
        },
        false
      );

      const chatInput = document.querySelector('.pc .textarea');
      if (chatInput) {
        //键盘按下时
        let oldValue = ''
        chatInput.addEventListener('keydown',async e => {
          if (this.showAboutUidBox) {
            if(e.key == 'Enter'){
              if(this.memberList.length){
                console.log('选中要@的人')
                this.setCallAboutUid(this.callAboutUid)
              }
            }else if(["ArrowUp", "ArrowDown"].includes(e.key)){
              console.log('上下箭头选择@谁')
              let index = this.memberList.findIndex(i => i.users._id == this.callAboutUid)
              // console.log('index',index);
              if (e.key == "ArrowUp") {
                index--
              } else {
                index++
              }
              if (index < 0 || index > this.memberList.length - 1) {
                index = 0
              }
              this.callAboutUid = this.memberList[index].users._id
              // 防止选中的成员看不到，触发滚动
              this.memberListScrollTop = (index - 3) * 50
              // console.log('this.memberListScrollTop',this.memberListScrollTop);
              e.preventDefault();
            }else if(["ArrowLeft", "ArrowRight"].includes(e.key)){
              this.showAboutUidBox = false
            }else if(e.key == 'Backspace'){
              setTimeout(() => {
                // 获取e.target 元素内不包含在标签内的文字内容
                let newValue = e.target.innerText
                console.log('删除键',newValue,oldValue);
                // 拿到newValue 和 oldValue 中 包含的@字符的个数
                let newAtN = newValue.replace(/[^@]/g, "").length
                let oldAtN = oldValue.replace(/[^@]/g, "").length
                if(newAtN === 0 || newAtN < oldAtN){
                  console.log('删除了@成员的昵称');
                  this.showAboutUidBox = false
                }
                oldValue = newValue
              }, 0);
            }
          }else{
            // console.log('键盘按下时',e.key);
            if(e.key == '@'){
              this.showAboutUidBox = true
            }
          }
        })
      }
      
      // #endif
    },
    onShow() {
      if (this.conversation.id) {
        // 用于打开会话窗口后，切换到后台，再切回时设置当前会话id。
        uniIm.currentConversationId = this.conversation.id

        // 用于从后台切到前台时，设置当前会话为已读
        this.clearConversationUnreadCount()
      }
    },
    onUnload() {
      // console.log('onUnload');

      // 关闭监听消息推送事件
      uniIm.offMsg(this.onImMsg);

      // #ifndef H5
      uni.offKeyboardHeightChange(this.onKeyboardHeightChange)
      // #endif

      //页面销毁之前销毁 全局变量 正在聊天的用户的id
      uniIm.currentConversationId = false
      // console.log('beforeDestroy');
      // 关闭sound播放
      uniIm.audioContext.stop()
    },
    beforeDestroy() {
      //页面销毁之前销毁 全局变量 正在聊天的用户的id
      uniIm.currentConversationId = false
      // console.log('beforeDestroy');
      // 关闭sound播放
      uniIm.audioContext.stop()
    },
    onHide() {
      uniIm.currentConversationId = false
      // 关闭sound播放
      uniIm.audioContext.stop()
    },
    async onLoad(param) {
      //调用load方法，因为pc宽屏时本页面是以组件形式展示。如$refs.chatView.loadconversation_id()执行
      await this.load(param);
    },
    watch: {
      async chatInputContent(newValue, oldValue) {
        // #ifndef APP-NVUE
        if(this.isWidescreen || this.watchChatInputContentDisabled === true){
          return
        }
        // console.log('chatInputContent',newValue,oldValue);
        // 截流调用 chatInputContentAfter 方法
        if(this.doChatInputContentAfter){
          clearTimeout(this.doChatInputContentAfter)
        }
        this.doChatInputContentAfter = setTimeout(() => {
          // console.error('chatInputContent#6');
          this.lockDoChatInputContentAfter = false
          this.chatInputContentAfter(newValue, oldValue)
        }, 300);
        // #endif
      },
      // 监听群昵称变化
      'conversation.title':{
        handler(){
          this.updateNavTitle()
        }
      },
      // 监听群成员数变化
      'conversation.group_member':{
        handler(){
          this.updateNavTitle()
        },
        deep:true,
        immediate:true
      },
      // 兼容nvue下不能通过isFocus控制聚焦
      // #ifdef APP-NVUE
      isFocus(newValue){
        console.log("this.$refs['chat-input'].focus",this.$refs["chat-input"].attr.focus)
        if(newValue){
          this.$refs["chat-input"].focus()
        }else{
          this.$refs["chat-input"].blur()
        }
      },
      // #endif
    },
    methods: {
      async load(param) {
        this.answerMsg = false
        // conversation_id = "single_eff0518ad35e16a8a025cc8af03e0388"

        // console.log('conversation_id',conversation_id);
        this.conversation = await uniIm.conversation.get(param)
        // this.conversation.call_list = []
        // console.log('this.conversation',this.conversation)
        
        // 调用扩展点，扩展程序可以在消息输入框新增一个工具类的项
        this.inputMsgToolBar = uniIm.extensions
          .invokeExts("input-msg-tool-bar",this.conversation)
          .filter((result) => result && result.component)
          .map((result) => {
            return {
              component: markRaw(result.component),
              props: result.props||{}
            };
          });

        //设置全局的app当前正在聊天的会话id（注：本页面可能是直达页）
        uniIm.currentConversationId = this.conversation.id
        this.$nextTick(() => {
          this.$refs['msg-list'].init()
        })

        // console.log('this.conversation',this.conversation);
        
        //debug用模拟一次性自动发送100条数据
        // for (var i = 0; i < 20; i++) {
        // 	this.chatInputContent = '这是第'+i+'条消息'
        // 	this.beforeSendMsg()
        // }*/
        
        // 清除当前会话未读数
        this.clearConversationUnreadCount()
        
        // #ifdef H5
        if(this.isWidescreen){
          // 切换到新的会话后把输入焦点设置到输入框（考虑到可能有草稿文字，需延迟设置）
          setTimeout(() => {
            this.$refs["chat-input"].focusToLast?.()
          }, 100)
        }
        // #endif
      },
      chatInputContentAfter(newValue, oldValue){
        // console.log('chatInputContentAfter',newValue,oldValue);
        currentCursor = -1
        // 先找到字符不同的位置，即为光标操作时的位置
        for (let i = 0; i < newValue.length; i++) {
          if (newValue[i] !== oldValue[i]) {
            currentCursor = i
            break
          }
        }
        if(currentCursor == -1){
          currentCursor = newValue.length
        }
        // console.log('cursor光标的位置',currentCursor,newValue,'newValue');
        let isAdd = newValue.length > oldValue.length
        let changeValue = isAdd ? newValue[currentCursor] : oldValue[currentCursor]
        // console.log('changeValue变化的内容',changeValue);
        if(changeValue == '@'){
          this.showAboutUidBox = isAdd
          if(isAdd){
            // 增加了@符号，显示@成员列表
            this.memberListScrollTop = 0
            if (this.memberList.length) {
              this.callAboutUid = this.memberList[0].users._id
            }
          }
        }
        // 删除了  \u200b@\u200b${nickname}\u2009
        if(!isAdd){
          if(changeValue === '\u2009'){
            // console.log('删除了 u2009 符号');
            // 找到从光标位置到\u200b@\u200b符号的最左边的位置
            let leftIndex = newValue.slice(0,currentCursor).lastIndexOf('\u200b@\u200b')
            // console.log('leftIndex',leftIndex);
            // 删除从leftIndex到光标之间的字符
            const newchatInputContent = newValue.slice(0,leftIndex) + newValue.slice(currentCursor)
            this.setChatInputContent(newchatInputContent,leftIndex)
          }else if(changeValue === '\u200b'){
            // console.log('删除了 u200b 符号');
            // 找到从光标位置到\u2009符号的最左边的位置
            let leftIndex = newValue.slice(currentCursor).indexOf('\u2009') + currentCursor + 1
            // console.log('leftIndex~~',leftIndex,newValue.slice(leftIndex));
            // 删除从光标到leftIndex之间的字符
            const newchatInputContent = newValue.slice(0,currentCursor) + newValue.slice(leftIndex)
            this.setChatInputContent(newchatInputContent,currentCursor)
          }else{
            // 判断被删的字符是否在\u200b@\u200b${nickname}\u2009中
            let leftIndex = newValue.slice(0,currentCursor).lastIndexOf('\u200b@\u200b')
            let rightIndex = newValue.slice(currentCursor).indexOf('\u2009') + currentCursor + 1
            if(leftIndex != -1 && rightIndex != currentCursor){
              // console.log('删除了@成员的昵称');
              // 删除从leftIndex到rightIndex之间的字符
              const newchatInputContent = newValue.slice(0,leftIndex) + newValue.slice(rightIndex)
              this.setChatInputContent(newchatInputContent,leftIndex)
            }
          }
        }
      },
      clearConversationUnreadCount(){
        if(this.conversation.unread_count){
          this.conversation.clearUnreadCount();
        }
      },
      putChatInputContent(value){
        if(this.isWidescreen){
          this.$refs["chat-input"]?.setContent(value)
        }else{
          if(typeof value === 'string'){
            this.setChatInputContent(value)
          }else{
            uni.showToast({
              title: '移动端暂不支持编辑富文本消息',
              icon: 'none'
            });
          }
        }
      },
      // 通过setChatInputContent设置chatInputContent时，不再触发watchchatInputContent，并可以设置光标位置
      setChatInputContent(value,cursor){
        this.watchChatInputContentDisabled = true
        this.chatInputContent = value
        this.$nextTick(() => {
          this.watchChatInputContentDisabled = false
          // 光标被重新定位到当前位置
          setTimeout(() => {
            this.inputCursor = cursor
          }, 300);
        })
      },
      getNicknameByUid(uid) {
        let users = uniIm.users[uid]
        if (users) {
          return users.nickname
        } else {
          return ''
        }
      },
      trAnswerMsg(answerMsg) {
        return uniIm.utils.getMsgNote(answerMsg)
      },
      onChatInputFocus() {
        // console.log('onChatInputFocus');
        this.isFocus = true;
        this.$nextTick(() => {
          this.menuIsShow = false
          this.emojiIsShow = false
        })
      },
      onChatInputBlur() {
        // console.log('onChatInputBlur');
        this.isFocus = false;
      },
      changeSoundIsShow() {
        this.soundIsShow = !this.soundIsShow
        if (this.soundIsShow) {
          // 将输入框高度记录，并设置为26
          this.oldTextareaHeight = this.textareaHeight
          this.textareaHeight = 26

          uni.hideKeyboard();
        } else {
          // 恢复切换之前的输入框高度
          this.textareaHeight = this.oldTextareaHeight
          this.isFocus = true
        }
        uni.$emit('changeSoundIsShow');
        this.$nextTick(() => {
          this.menuIsShow = false
          this.emojiIsShow = false
        })
      },
      changeMenuIsShow(e) {
        if (this.keyboardHeight) {
          this.menuIsShow = true
          uni.hideKeyboard()
        } else {
          this.menuIsShow = !this.menuIsShow
        }
        this.emojiIsShow = false;
        this.showLast(0)
        e.stopPropagation()
      },
      changeEmojiIsShow(e) {
        this.soundIsShow = false

        if (this.keyboardHeight) {
          this.emojiIsShow = true
          uni.hideKeyboard()
        } else {
          this.emojiIsShow = !this.emojiIsShow
        }
        this.menuIsShow = false
        this.showLast(0)
        e.stopPropagation()
      },
      uploadFileAndSendMsg({tempFiles}){
        // console.log(res, 'image');
        // console.log('this.uploadFileAndSendMsg res',res);
        tempFiles.forEach(async tempFile => {
          // console.log('tempFile~',tempFile);
          let {
            path:url,
            name,
            size
          } = tempFile;
          
          let {fileType} = tempFile
          if (!['image', 'video'].includes(fileType)) {
            fileType = 'file'
          }
          // console.log('fileType===>', fileType);
          // console.error('tempFile~~~~~~~~~', tempFile,size/1000/1024+'mb');
          const sizeMB = size/1000/1024
          if(fileType == 'image' && sizeMB > 2){
            return uni.showToast({
              title: '图片大小不能超过2mb',
              icon: 'none'
            });
          } else if(sizeMB > 100){
            return uni.showToast({
              title: '文件大小不能超过100mb',
              icon: 'none'
            });
          }
          
          let data = {};
          data[fileType] = {
            url,
            size,
            name
          };
          
          let msg = await this.beforeSendMsg(data,false)
          // console.log('~~~beforeSendMsg',msg);
          try{
            const result = await uniCloud.uploadFile({
              filePath: tempFile.path,
              cloudPath: Date.now() + uniCloud.getCurrentUserInfo().uid + '.' + name.split('.').pop(),
            });
            // console.log('result.fileID',result.fileID);
            msg.body.url = result.fileID
            await this.updateMsg(msg)
            this.sendMsg(msg)
          }catch(e){
            console.error(777,e)
          }
          
        });
      },
      async chooseFileSendMsg(type,_config={}) {
        // console.log('type',type);
        //先创建发送消息的
        let objFn = {
          'image':()=>{
            uni.chooseImage({
            	// count:9,
              crop:{
                "quality":100,
                "width":800,
                "height":800
              },
            	// sourceType,
            	// extension,
            	success:res=> beforeUploadFileAndSendMsg(res,'image'),
            	"fail":alertFail
            });
          },
          'video':()=>{
            uni.chooseVideo({
              sourceType: ['camera', 'album'],
              success:res=> beforeUploadFileAndSendMsg(res,'video'),
              "fail":alertFail
            });
          },
          'all':()=>{
            let chooseFile = uni.chooseFile;
            // #ifdef MP-WEIXIN
            chooseFile = wx.chooseMedia;
            // #endif
            chooseFile({
            	type: 'all',
            	// count:10,
              sourceType:['album','camera'],
            	"success":this.uploadFileAndSendMsg,
            	"fail":alertFail
            })
          }
        };
        objFn[type]();
        
        const _this = this;
        function beforeUploadFileAndSendMsg(res,fileType){
          // console.log(111,res)
          // 视频只能选择单文件，为了参数统一，这里转成数组
          if(fileType == 'video'){
            // #ifndef H5
            res.tempFile = {
              size: res.size,
              width: res.width,
              height: res.height
            }
            // #endif
            res.tempFile.path = res.tempFilePath
            res.tempFiles = [res.tempFile]
          }
          res.tempFiles.forEach(item=>{
            //如果没有type，默认为：用户选择的类型
            if(!item.fileType){
              item.fileType = fileType
            }
            // 如果没有name，默认为：用户id+随机数+时间戳生成一个
            if(!item.name){
             item.name = _this.current_uid + Math.random().toString(36).substr(2) + Date.now()
            }
          })
          // console.log(222,res)
          _this.uploadFileAndSendMsg(res)
        }
        function alertFail(res){
          console.error('res',res);
          // uni.showModal({
          //   content: JSON.stringify(res),
          //   showCancel: false
          // });
        }
        
      },
      hideKeyboard() {
        // console.log('hideKeyboard');
        uni.hideKeyboard();
        this.$nextTick(() => {
          this.menuIsShow = false
          this.emojiIsShow = false
          this.isFocus = false
        })
      },
      onInput(e) {
        // console.log('onInput',e);
        // 记录按下@之后的内容
        const enterText = this.isWidescreen ? e.data : e.detail.value[e.detail.cursor - 1]
        // console.log('enterText',enterText);
        if(this.showAboutUidBox && enterText && enterText != '@'){
          setTimeout(()=>{
            // 输入法正在输入中
            let isComposing = false
            // #ifdef H5
            isComposing = this.isWidescreen ? document.querySelector('#uni-im-chat-input').isComposing : e.isComposing
            // #endif
            if (isComposing) {
              console.log('输入法正在输入中')
            }else{
              this.aboutUserKeyword += enterText
            }
          },0)
        }else{
          this.aboutUserKeyword = ""
        }
        
        // 非宽屏设备 && 非Android端 一旦输入换行符直接发送消息
        if (!this.isWidescreen && this.systemInfo.platform != 'android' && this.chatInputContent && this.chatInputContent.indexOf('\n') >= 0) {
          e.preventDefault() // 阻止换行，TODO：视乎并没有阻止住
          // console.log("有\n",this.chatInputContent, this.chatInputContent.length);
          this.beforeSendMsg()
        }
      },
      sendSound(e) {
        // console.log('sendSound',e);
        this.beforeSendMsg({
          sound: e
        })
      },
      async setAnswerMsg(msgId) {
        this.answerMsg = this.conversation.msgList.find(msg => msg._id == msgId)
        this.isFocus = true
      },
      async chatInputConfirm() {
        if(this.showAboutUidBox && this.memberList.length){
          console.log('正在执行选中要@的人，不发送数据')
          return
        }
        if (typeof this.chatInputContent == 'object'){
          // 富文本（图文混排、@某人）消息
          
          // 把字符串中带url的链接转为html的a标签的形式。1.将字符串，按是否为标签，切割为数组
          const htmlStr = this.chatInputContent.html.split(/(<[^>]+>)/)
                  // 2.找到不以<开头的字符串内的url并替换为 html的a
                  .map(str=>str.startsWith('<') ? str : uniIm.utils.replaceUrlToLink(str))
                  .join(' ')
          
          // 先插到消息列表
          let msg = await this.beforeSendMsg({
            "rich-text":uniIm.utils.parseHtml(htmlStr)
          },false)
          
          // 上传消息中的图片
          let promiseArr = []
          msg.body.forEach(async item=>{
            if(item.type === 'text'){
              item.text = item.text.trim();
            }else if(item.name === 'img' && item.attrs.src.indexOf('data:image/png;base64,') === 0){
              promiseArr.push(new Promise((resolve,reject)=>{
                uniCloud.uploadFile({
                  filePath: item.attrs.src,
                  cloudPath: Date.now() + uniCloud.getCurrentUserInfo().uid + '.' + name.split('.').pop(),
                }).then(res=>{
                  item.attrs.src = res.fileID
                  // console.log('上传成功',res);
                  resolve()
                }).catch(e=>{
                  console.error(777,e,item.attrs.src);
                  reject()
                })
              }))
            }
          })
          await Promise.all(promiseArr)
          
          // console.log('msg',msg);
          
          // 传完更新
          await this.updateMsg(msg)
          // 执行发送
          this.sendMsg(msg)
        }else{
          // 把this.chatInputContent中的&nbsp;变成空格，再把头尾的空格去掉
          this.chatInputContent = this.chatInputContent.replace(/&nbsp;/g, ' ').trim()
          // 普通消息
          await this.beforeSendMsg()
        }
      },
      async beforeSendMsg(param = {},_continue = true) {
        // console.log('beforeSendMsg',{param});
        let msg = {
          type: 'text',
          to_uid: this.conversation.friend_uid,
          conversation_id: this.conversation.id,
          group_id: this.conversation.group_id,
          client_create_time: Date.now(),
          from_uid: uniCloud.getCurrentUserInfo().uid,
          state: 0,
          body: this.chatInputContent
        }
        // 根据传入的参数设置消息类型和内容
        for (let key in param) {
          if (param[key]) {
            msg.type = key
            msg.body = JSON.parse(JSON.stringify(param[key]))
          }
        }
        // 如果是文本类型需要做一些处理
        if (msg.type === 'text') {
          //清除空格
          msg.body = msg.body.trim();
          // 阻止发送空消息
          if (!msg.body.length) {
            this.$nextTick(() => {
              this.chatInputContent = '';
              this.textareaHeight = 26;
            });
            return uni.showToast({
              title: '不能发送空消息',
              icon: 'none'
            });
          }
          
          // 如果包含\u200b@\u200b 则转为富文本消息
          if (msg.body.includes('\u200b@\u200b')) {
            msg.type = 'rich-text'
            // 把msg.body转成富文本消息；tmpBody按照\u200b@\u200b分割成数组，再按照\u2009分割成数组
            let tmpBody = msg.body
            msg.body = []
            tmpBody.split('\u200b@').forEach(str => {
              str.split('\u2009').forEach(item=>{
                if(item.includes('\u200b')){
                  const nickname = item.replace('\u200b','')
                  let user_id = false
                  for (let uid in this.group_member) {
                    if(this.group_member[uid].users.nickname == nickname){
                      user_id = uid
                      break
                    }
                  }
                  msg.body.push({
                      "name": "span",
                      "attrs": {
                        "class": "nickname",
                        user_id,
                      }
                  })
                }else{
                  msg.body.push({
                    type: 'text',
                    text: item
                  })
                }
              })
            })
          }
        }
        
        this.$nextTick(e => {
          this.chatInputContent = '';
          this.textareaHeight = 26;
          this.answerMsg = false
        });

        //如果是回复某一条消息，需要带上相关id
        if (this.answerMsg !== false) {
          msg.about_msg_id = this.answerMsg._id
        }

        // 消息列表追加此消息。此时消息状态值为0，表示发送中
        let resMsg = this.conversation.msgList.push(msg)

        this.$nextTick(() => {
          this.showLast()
          // #ifdef APP-NVUE
          // 临时方案：解决偶发nvue下不能滚动到最后一条消息的问题
          setTimeout(() => {
            this.showLast()
          }, 800)
          // #endif
        })
        msg.state = 0
        // console.error('sendMsg-sendMsg-sendMsg', msg);
        // 存到本地数据库
        await this.conversation.msgManager.localMsg.add(msg)
        // console.log('msg被localMsg.add引用 会新增一个unique_id',msg)
        if(_continue){
          this.sendMsg(msg);
        }else{
          return msg;
        }
      },
      getCallUid(param){
        let aboutNicknameList = []
        if( this.isWidescreen){
          // #ifdef H5
          if(typeof param === 'object'){
            let tmpDom = document.createElement('div')
            tmpDom.innerHTML = param.html
            let nicknameDomList = tmpDom.querySelectorAll('.nickname');
            for (let i = 0; i < nicknameDomList.length; i++) {
              aboutNicknameList.push(nicknameDomList[i].innerText.substring(1))
            }
          }
          // #endif
        }else{
          // 获取所有@的用户昵称
          aboutNicknameList = param.split('\u200b@\u200b').filter(str => str.includes('\u2009')).map(
            str => {
              let index = str.indexOf('\u2009')
              return str.slice(0, index)
            })
        }
        // console.log('aboutNicknameList',aboutNicknameList);
        
        let ids = []
        aboutNicknameList.forEach(nickname => {
          for (let uid in this.group_member) {
            if (this.group_member[uid].users.nickname == nickname) {
              ids.push(uid)
            }
          }
        })
        // console.log('ids',ids);
        return ids
      },
      sendMsg(msg, callback) {
        if(this.conversation.source){
          msg.chat_source = this.conversation.source
        }
        
        // console.log('sendMsg-sendMsg-sendMsg', msg);
        const uniImCo = uniCloud.importObject('uni-im-co', {
          customUI: true
        });
        // 接收消息的appId，默认为当前应用的appId。如果你是2个不同appId的应用相互发，请修改此值为相对的appId
        msg.appId = this.systemInfo.appId
        // 拿到当前消息的索引值
        let index = this.conversation.msgList.findIndex(i => i.unique_id == msg.unique_id)
        // 生成新对象，否则不触发更新
        msg = Object.assign({}, msg)
        uniImCo.sendMsg(msg)
          .then(async e => {
            // console.log('uniImCo.sendMsg',{e,msg});
            msg.state = e.errCode === 0 ? 100 : -100;
            msg.create_time = e.data.create_time;
            msg._id = e.data._id;
            await this.updateMsg(msg)
          })
          .catch(async e => {
            uni.showModal({
              content: e.message,
              showCancel: false,
              confirmText: '关闭',
            });
            console.error('uniImCo.sendMsg error:', e.errCode, e.message);
            // 必须要有create_time的值，否则indexDB通过创建时间索引找不到数据
            msg.create_time = Date.now();
            msg.state = -200;
            await this.updateMsg(msg)
          })
          .finally(e => {
            if (callback) {
              callback(e);
            }
          });
      },
      // 更新消息
      async updateMsg(msg){
        if(!msg.conversation_id){
          throw 'msg.conversation_id不能为空'
        }
        if(!msg.unique_id){
          throw 'msg.unique_id不能为空'
        }
        let conversation = await uniIm.conversation.get(msg.conversation_id)
        let index = conversation.msgList.findIndex(_msg => _msg.unique_id == msg.unique_id)
        if(index === -1){
          throw 'updateMsg msg 不存在'
        }

        /* TODO: splice 更新方式会把原本的 msg 对象从数组中踢出，导致已经渲染的消息组件无法响应后续的变更（比如 read_msg），
          所以这里使用 merge 更新方式，虽然此方式在 vue2 中有问题。*/
        let oldMsg = conversation.msgList[index]
        Object.assign(oldMsg, msg)
        // conversation.msgList.splice(index, 1, msg)

        conversation.msgManager.localMsg.update(msg.unique_id, msg)
        // console.log('change after',conversation.msgList[index]);
      },
      retriesSendMsg(msg) {
        uni.showLoading({
          mask: true
        });
        // console.log('retriesSendMsg', msg);
        msg.isRetries = true
        this.sendMsg(msg, e => {
          uni.hideLoading();
        });
      },
      showLast(duration = 300) {
        let msgListRef = this.$refs['msg-list']
        if (msgListRef) {
          msgListRef.showLast(duration)
        }
      },
      setCallAboutUidBefore(uid){
        // 当前输入框已经@了的用户id 要过滤掉
        let callUidList = this.getCallUid(this.chatInputContent)
        if(callUidList.includes(uid)){
          console.log('此用户id已经@过');
          uni.showToast({
            title: '此用户已经@过',
            icon: 'none'
          });
        }else{
          this.setCallAboutUid(uid)
        }
      },
      setCallAboutUid(uid) {
        // 替换光标位置到左边最后一个@符号数据 为: \u200b@\u200b + nickname
        // 光标位置到左边最后一个@符号的位置
        const nickname = this.group_member[uid].users.nickname
        if(this.isWidescreen){
          // #ifdef H5
          // web 宽屏设备
          const callString = `<span class="nickname" user_id="${uid}" contenteditable="false">@${nickname}</span>\u2009`
          if(this.showAboutUidBox){
            this.$refs["chat-input"]?.deleteLeftChar(1 + this.aboutUserKeyword.length)
          }
          // 在光标位置插入@昵称
          this.$refs["chat-input"]?.addHtmlToCursor(callString)
          // TODO：解决在消息列表中的@昵称点击事件，确弹出了选择@成员列表的问题
          this.$nextTick(()=>this.showAboutUidBox = false)
          // #endif
        }else{
          // 窄屏设备
          const callString = `\u200b@\u200b${nickname}\u2009`
          // 找到从光标位置到左边的@符号的位置
          const atCharIndex = this.chatInputContent.slice(0,currentCursor+1).lastIndexOf('@')
          // console.log('this.chatInputContent.slice(0,currentCursor)',this.chatInputContent.slice(0,currentCursor+1))
          // console.log('atCharIndex',atCharIndex);
          // console.log('this.chatInputContent',this.chatInputContent);
          if(atCharIndex == -1){
            console.error('没有找到@符号');
          }
          // 获取焦点
          this.isFocus = true
          // 删除在选用户时敲的字符和@符号
          const newchatInputContent = this.chatInputContent.slice(0, atCharIndex) + callString + this.chatInputContent.slice(currentCursor+1)
          // 光标位置移到@昵称的后面
          const newCursor = atCharIndex + callString.length
          // console.log('newchatInputContent',newchatInputContent);
          // console.log('newCursor',newCursor);
          this.setChatInputContent(newchatInputContent,newCursor)
        }
        // 关闭@成员列表
        this.showAboutUidBox = false
      },
      linechange(e) {
        //console.log(e.detail);
        let {
          height,
          lineCount
        } = e.detail;
        // console.log(height,lineCount);
        if (lineCount === 1) {
          this.textareaHeight = 26;
        } else if (height <= 100) {
          this.textareaHeight = height - 2;
        }
      },
      async showControl({
        msgId,
        msgContentDomInfo
      }) {
        const msg = this.conversation.msgList.find(msg => msg._id === msgId)
        let isSelf = msg.from_uid == uniCloud.getCurrentUserInfo().uid
        this.$refs['msg-popup-control'].show({isSelf,msg,msgContentDomInfo})
        
        /*
        let controlData = {
          msg,
          isInTop: false
        };

        let metrics = uniIm.utils.getScreenMetrics()
        if (isSelf) {
          controlData.left = 'unset'
          controlData.right = metrics.pageWidth - msgContentDomInfo.right
        } else {
          controlData.left = msgContentDomInfo.left + msgContentDomInfo.width / 2
          controlData.right = 'unset'
        }
        
        controlData.isInTop = msgContentDomInfo.top > 60
        
        if (controlData.isInTop) {
          // #ifdef H5
          let n = -20
          // #endif
          // #ifndef H5
          let n = -65
          // #endif
          controlData.top = msgContentDomInfo.top + n
        } else {
          // #ifdef APP
          let n = 8
          // #endif
          // #ifdef H5
          let n = 55
          // #endif
          // #ifdef MP
          let n = 10
          // #endif
          controlData.top = msgContentDomInfo.bottom + n
        }
        
        console.log('msgContentDomInfo',msgContentDomInfo)
        controlData.msgWidth = msgContentDomInfo.width
        this.$refs['msg-popup-control'].show(controlData)
        */
      },
      shareMsg(msgList,merge = false) {
        this.$refs['share-msg'].open(msgList,merge)
      },
      toolBarNext(){
        uni.showToast({
          title: '暂不支持',
          icon: 'none',
          duration: 2000
        });
        this.chooseMoreMsg = false
      },
      clickMenu(index, e) {
        // console.log('clickMenu-',index);
        if (index < 2) {
          this.chooseFileSendMsg(index === 0 ? 'image' : 'video')
        }
        if (index === 2) {
          // #ifdef APP-NVUE
          return uni.showToast({
            title: '暂不支持，发送文件',
            icon: 'none'
          });
          // #endif
          this.chooseFileSendMsg('all')
        }
        e.stopPropagation()
      },
      clickEmojiItem(emojiUniCode, e) {
        this.chatInputContent += emojiUniCode
        e.stopPropagation()
      },
      tapUnreadCount() {
        //点击未读消息文字按钮事件
        if (this.isWidescreen) {
          // this.$emit('tapUnreadCount') //点击后会话列表自动滚动 置顶 待读项
          // console.log('tapUnreadCount');
        } else {
          uni.navigateBack();
        }
      },
      updateNavTitle(){
        this.navTitle = this.conversation.title
        if (this.conversation.group_id) {
          this.navTitle += '(' + Object.keys(this.conversation.group_member).length + ")";
        }
      }
    },
    onNavigationBarButtonTap(e) {
      if (e.index === 0) {
        if (this.conversation.group_id) {
          uni.navigateTo({
            url: "/uni_modules/uni-im/pages/group/info?conversation_id=" + this.conversation.id
          })
        } else {
          // console.log(this.conversation,6565);
          uni.navigateTo({
            url: `/uni_modules/uni-im/pages/chat/info?user_id=${this.conversation.friend_uid}&conversation_id=${this.conversation.id}`
          })
          // uni.showToast({
          // 	title: '仅群里可见，详细信息',
          // 	icon: 'none'
          // });
        }
      }
      // uni.navigateBack();
    }
  };
</script>

<style lang="scss" scoped>
  /* #ifndef APP-NVUE */
  view {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
  }

  page {
    background-color: #efefef;
  }

  /* #endif */

  .page {
    /* #ifdef APP-NVUE */
    flex: 1;
    /* #endif */

    /* #ifndef APP-NVUE */
    height: calc(100vh - 45px);
    /* #endif */

    /* #ifndef APP-NVUE */
    background-color: #efefef;
    /* #endif */
    // border: solid 5px #2faf4c;
  }

  .chat-foot,.disable-input{
    flex-direction: column;
    border-top: 1rpx solid #BBBBBB;
    background-color: #F7F7F7;
    width: 750rpx;

    position: fixed;
    bottom: 0;

    /* #ifndef APP-NVUE */
    z-index: 9;
    // overflow: hidden;
    /* #endif */
  }
  
  .disable-input{
    padding: 20px;
    text-align: center;
    justify-content: center;
    color: #777777;
  }

  /* #ifdef H5 */
  .pc {
    // .pc内的元素只有pc端打开才显示，样式在index页面
    display: none;
  }
  
  .vue-codemirror {
    position: fixed;
    top: 100px;
    left: 50%;
    width: 500px;
  }

  /* #endif */

  /* #ifdef H5 */
  .chat-foot {
    border: none;
  }

  /* #endif */

  /* #ifndef APP-NVUE */
  .chat-foot * {
    //	border: solid 1px red;
  }

  /* #endif */
  .textarea-box {
    background-color: #ffffff;
    padding: 10px;
    width: 450rpx;
    border-radius: 10px;
  }

  .textarea {
    width: 400rpx;
    padding: 0;
    background-color: #ffffff;
    color: #666666;
    //padding: 20rpx;
    font-size: 32rpx;
  }

  .tip-view {
    position: fixed;
    top: 100px;
    width: 750rpx;
    align-items: center;
    color: #999999;
  }

  .tip-null-msg {
    color: #999999;
    font-size: 14px;
  }

  .beforeSendMsg {
    color: #ffffff;
    font-size: 24rpx;
    border-radius: 6px;
    background-color: #2faf4c;
    // width: 80rpx;
    height: 28px;
    line-height: 28px;
    text-align: center;
  }

  .icon {
    width: 70rpx;
    justify-content: center;
    align-items: center;
  }

  .loadMore {
    line-height: 80rpx;
    height: 80rpx;
    text-align: center;
    width: 750rpx;
    color: #adb3b7;
    font-size: 12px;
  }

  /* #ifndef APP-NVUE */
  .unread_count {
    position: absolute;
    top: -35px;
    left: 70rpx;
    z-index: 999;
    background-color: #dfe2e9;
    padding: 0 14rpx;
    height: 14px;
    line-height: 14px;
    border-radius: 9px;
    color: #0c1013;
    font-size: 12px;
    margin-top: 3px;
  }

  /* #endif */

  .input-box {
    flex-direction: row;
    padding: 10rpx 18rpx;
    justify-content: space-around;
    align-items: center;
  }

  .menu {
    padding: 36rpx;
    width: 750rpx;
    border-top: solid 1px #ededed;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .menu-item,
  .menu-item-icon {
    width: 160rpx;
    height: 160rpx;
    justify-content: space-around;
    align-items: center;
  }

  .menu-item-icon {
    width: 80rpx;
    height: 80rpx;
    background-color: #ffffff;
    color: #6F6F6F;
    border-radius: 10px;
  }

  .menu-item-text {
    font-size: 12px;
  }

  .emojiListBox {
    width: 750rpx;
    padding: 27rpx;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .emoji-item {
    text-align: center;
    font-size: 65rpx;
    width: 87rpx;
    height: 87rpx;
    justify-content: center;
    align-items: center;
    /* #ifndef APP-NVUE */
    display: inline-block;
    /* #endif */
  }

  .uni-im-sound {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 999;
  }

  .answer-msg {
    width: 450rpx;
    padding: 2px 5px;
    margin: 5px 0 3px 0;
    background-color: #efefef;
    color: #6a6a6a;
    border-radius: 5px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  
  /* #ifdef H5 */
  .answer-msg ::v-deep .uni-icons {
    cursor: pointer;
  }
  /* #endif */

  .answer-msg-text {
    /* #ifndef APP-NVUE */
    white-space: nowrap;
    overflow: hidden;
    /* #endif */
    lines: 2;
    text-overflow: ellipsis;
    font-size: 12px;
  }

  /* #ifdef H5 */
  .send-btn-box {
    flex-direction: row;
    justify-content: end;
    padding: 0 10px 10px 0;
    margin-top: 5px;
  }

  .send-btn-box .send {
    font-size: 12px;
    padding: 0 20px;
  }

  .send-btn-box .send-btn-tip {
    color: #919396;
    margin-right: 8px;
    font-size: 12px;
    line-height: 28px;
  }

  /* #endif */

  .member-list {
    position: fixed;
    width: 500rpx;
    height: 200px;
    bottom: 100px;
    left: 125rpx;
    z-index: 9999;
    background-color: #ffffff;
    
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 0 100px rgba(0, 0, 0, 0.2);
  }
  .member-list-item {
    overflow: hidden;
    height: 40px;
    font-size: 14px;
    line-height: 40px;
    padding-left: 15px;
    border-radius: 10px;
    width: 500rpx;
    margin: 5px;
    /* 解决css特殊情况下 margin 重叠的问题 */
    margin-bottom: 10px;
    text-align: left;
  }

  .member-list-item-active {
    background-color: #efefef;
  }

  .member-list-mark {
    position: fixed;
    top: 0;
    left: 0;
    width: 750rpx;
    flex: 1;
    height: 9000px;
    /* #ifndef APP-NVUE */
    width: 100vw !important;
    height: 100vh !important;
    z-index: 9998;
    /* #endif */
    background-color: rgba(0, 0, 0, 0.1);
  }
  
  /* #ifdef H5 */
  @media screen and (min-device-width:960px){
    .member-list {
      width: 260px;
      left: auto;
      right: calc(50vw - 300px);
      bottom: 300px;
    }
    .member-list-item {
      width: 250px;
      cursor: pointer;
    }
  }
  /* #endif */
  
  .toolbar{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 260px;
    background-color: #ededed;
    border-top: solid 1px #ededed;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    z-index: 999;
  }
  .toolbar .item {
    align-items: center;
  }
  /* #ifdef H5 */
  .toolbar ::v-deep .uni-icons {
    cursor: pointer;
  }
  /* #endif */
  .toolbar .icons-box {
    background-color: #fff;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 100px;
    margin-bottom: 10px;
  }
  
  .camera-filled-box {
    background-color: #3b81fd;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 100px;
  }
</style>