uni-app 174app端兼容处理(一)

简介: uni-app 174app端兼容处理(一)

首先我们将所有的.vue文件改为.nvue,如下图

注意,这里是pages文件夹下面所有的.vue文件结尾的

然后我们修改 manifest.json文件,如下图所示

/pages/chat/chat/chat.nvue

<template>
  <view>
    <!-- 导航栏 -->
    <free-nav-bar :title="detail.name" :noreadnum="totalNoreadnum" showBack>
      <free-icon-button slot="right" @click="openChatSet"><text class="iconfont font-lg">&#xe6fd;</text>
      </free-icon-button>
    </free-nav-bar>
    <!-- 聊天内容区域 -->
    <scroll-view scroll-y class="bg-light position-fixed left-0 right-0 px-3"
      style="bottom: 105rpx;box-sizing: border-box;" :style="chatBodyBottom" :show-scrollbar="false"
      :scroll-into-view="scrollIntoView" :scroll-with-animation="true" @click="clickPage">
      <!-- 聊天信息列表组件 -->
      <view v-for="(item,index) in list" :key="index" :id="'chatItem_'+index">
        <free-chat-item :item="item" :index="index" ref="chatItem"
          :pretime=" index > 0 ? list[index-1].create_time : 0" @long="long" @preview="previewImage"
          :shownickname="currentChatItem.shownickname"></free-chat-item>
      </view>
    </scroll-view>
    <!-- #ifdef APP-PLUS-NVUE -->
    <div v-if="mode === 'action' || mode === 'emoticon'" class="position-fixed top-0 right-0 left-0"
      :style="'bottom:'+maskBottom+'px;'" @click="clickPage"></div>
    <!-- #endif -->
    <!-- 底部输入框 -->
    <view class="position-fixed left-0 right-0 border-top flex align-center"
      style="background-color: #F7F7F6;height: 105rpx;" :style="'bottom:'+KeyboardHeight+'px;'">
      <free-icon-button v-if="mode === 'audio'" @click="changeVoiceOrText"><text
          class="iconfont font-lg">&#xe607;</text></free-icon-button>
      <free-icon-button v-else @click="changeVoiceOrText"><text class="iconfont font-lg">&#xe606;</text>
      </free-icon-button>
      <view class="flex-1">
        <view v-if="mode === 'audio'" class="rounded flex align-center justify-center" style="height: 80rpx;"
          :class="isRecording?'bg-hover-light':'bg-white'" @touchstart="voiceTouchStart"
          @touchend="voiceTouchEnd" @touchcancel="voiceTouchCancel" @touchmove="voiceTouchMove">
          <text class="font">{{isRecording ? '松开 结束':'按住 说话'}}</text>
        </view>
        <textarea v-else fixed class="bg-white rounded p-2 font-md" style="height: 80rpx;max-width: 450rpx;"
          :adjust-position="false" v-model="text" @focus="mode = 'text'" />
      </view>
      <!-- 表情 -->
      <free-icon-button @click="openActionOrEmoticon('emoticon')"><text class="iconfont font-lg">&#xe605;</text>
      </free-icon-button>
      <template v-if="text.length === 0">
        <!-- 扩展菜单 -->
        <free-icon-button @click="openActionOrEmoticon('action')"><text class="iconfont font-lg">&#xe603;</text>
        </free-icon-button>
      </template>
      <view v-else class="flex-shrink">
        <!-- 发送按钮 -->
        <free-main-button name="发送" @click="send('text')"></free-main-button>
      </view>
    </view>
    <!-- 扩展菜单 -->
    <free-popup ref="action" bottom transformOrigin="center bottom" @hide="KeyboardHeight = 0" :mask="false">
      <view style="height: 580rpx;" class="border-top border-light-secondary bg-light">
        <swiper :indicator-dots="emoticonOrActionList.length > 1" style="height: 510rpx;">
          <swiper-item class="row" v-for="(item,index) in emoticonOrActionList" :key="index">
            <view class="col-3 flex flex-column align-center justify-center" style="height: 255rpx;"
              v-for="(item2,index2) in item" :key="index2" @click="actionEvent(item2)">
              <image :src="item2.icon" mode="widthFix" style="width: 100rpx;height: 100rpx;"></image>
              <text class="font-sm text-muted mt-2">{{item2.name}}</text>
            </view>
          </swiper-item>
        </swiper>
      </view>
    </free-popup>
    <!-- 弹出层 -->
    <free-popup ref="extend" :bodyWidth="240" :bodyHeight="450" :tabbarHeight="105">
      <view class="flex flex-column" style="width: 240rpx;" :style="getMenusStyle">
        <view class="flex-1 flex align-center" hover-class="bg-light" v-for="(item,index) in menusList"
          :key="index" @click="clickEvent(item.event)">
          <text class="font-md pl-3">{{item.name}}</text>
        </view>
      </view>
    </free-popup>
    <!-- 录音提示 -->
    <view v-if="isRecording" class="position-fixed top-0 left-0 right-0 flex align-center justify-center"
      style="bottom: 105rpx;">
      <view style="width: 360rpx;height: 360rpx;background-color: rgba(0,0,0,0.5);"
        class="rounded flex flex-column align-center justify-center">
        <image src="/static/images/audio/audio/recording.gif" style="width: 150rpx;height: 150rpx;"></image>
        <text class="font text-white mt-3">{{unRecord ? '松开手指,取消发送':'手指上滑,取消发送'}}</text>
      </view>
    </view>
  </view>
</template>
<script>
  // #ifdef APP-PLUS-NVUE
  const dom = weex.requireModule('dom')
  // #endif
  import freeNavBar from "@/components/free-ui/free-nav-bar.vue"
  import freeIconButton from "@/components/free-ui/free-icon-button.vue"
  import freeChatItem from '@/components/free-ui/free-chat-item.vue';
  import freePopup from "@/components/free-ui/free-popup.vue"
  import freeMainButton from '@/components/free-ui/free-main-button.vue';
  import {
    mapState,
    mapMutations
  } from 'vuex'
  import auth from '@/common/mixin/auth.js';
  import $U from '@/common/free-lib/util.js';
  import $H from '@/common/free-lib/request.js';
  import $C from '@/common/free-lib/config.js';
  export default {
    mixins: [auth],
    components: {
      freeNavBar,
      freeIconButton,
      freeChatItem,
      freePopup,
      freeMainButton
    },
    data() {
      return {
        scrollIntoView: "",
        // 模式 text输入文字,emoticon表情,action操作,audio音频
        mode: "text",
        // 扩展菜单列表
        actionList: [
          [{
            name: "相册",
            icon: "/static/images/extends/pic.png",
            event: "uploadImage"
          }, {
            name: "拍摄",
            icon: "/static/images/extends/video.png",
            event: "uploadVideo"
          }, {
            name: "收藏",
            icon: "/static/images/extends/shoucan.png",
            event: "openFava"
          }, {
            name: "名片",
            icon: "/static/images/extends/man.png",
            event: "sendCard"
          }, {
            name: "语音通话",
            icon: "/static/images/extends/phone.png",
            event: ""
          }, {
            name: "位置",
            icon: "/static/images/extends/path.png",
            event: ""
          }]
        ],
        emoticonList: [],
        // 键盘高度
        KeyboardHeight: 0,
        menusList: [],
        navBarHeight: 0,
        list: [],
        // 当前操作的气泡索引
        propIndex: -1,
        // 输入文字
        text: "",
        // 音频录制状态
        isRecording: false,
        RecordingStartY: 0,
        // 取消录音
        unRecord: false,
        detail: {
          id: 0,
          name: "",
          avatar: "",
          chat_type: "user"
        }
      }
    },
    mounted() {
      var statusBarHeight = 0
      // #ifdef APP-PLUS-NVUE
      statusBarHeight = plus.navigator.getStatusbarHeight()
      // #endif
      this.navBarHeight = statusBarHeight + uni.upx2px(90)
      // 监听键盘高度变化
      uni.onKeyboardHeightChange(res => {
        if (this.mode !== 'action' && this.mode !== 'emoticon') {
          this.KeyboardHeight = res.height
        }
        if (this.KeyboardHeight > 0) {
          this.pageToBottom()
        }
      })
      // 注册发送音频事件
      this.regSendVoiceEvent((url) => {
        if (!this.unRecord) {
          this.send('audio', url, {
            time: this.RecordTime
          })
        }
      })
      this.pageToBottom()
    },
    computed: {
      ...mapState({
        chatList: state => state.user.chatList,
        RECORD: state => state.audio.RECORD,
        RecordTime: state => state.audio.RecordTime,
        chat: state => state.user.chat,
        totalNoreadnum: state => state.user.totalNoreadnum,
        user: state => state.user.user
      }),
      // 当前会话配置信息
      currentChatItem() {
        let index = this.chatList.findIndex(item => item.id === this.detail.id && item.chat_type === this.detail
          .chat_type)
        if (index !== -1) {
          return this.chatList[index]
        }
        return {}
      },
      // 获取蒙版的位置
      maskBottom() {
        return this.KeyboardHeight + uni.upx2px(105)
      },
      // 动态获取菜单高度
      getMenusHeight() {
        let H = 100
        return this.menusList.length * H
      },
      // 获取菜单的样式
      getMenusStyle() {
        return `height: ${this.getMenusHeight}rpx;`
      },
      // 判断是否操作本人信息
      isdoSelf() {
        // 获取本人id(假设拿到了)
        let id = 1
        let user_id = this.propIndex > -1 ? this.list[this.propIndex].user_id : 0
        return user_id === id
      },
      // 聊天区域bottom
      chatBodyBottom() {
        return `bottom:${uni.upx2px(105) + this.KeyboardHeight}px;top:${this.navBarHeight}px;`
      },
      // 获取操作或者表情列表
      emoticonOrActionList() {
        return (this.mode === 'emoticon' || this.mode === 'action') ? this[this.mode + 'List'] : []
      },
      // 所有信息的图片地址
      imageList() {
        let arr = []
        this.list.forEach((item) => {
          if (item.type === 'emoticon' || item.type === 'image') {
            arr.push(item.data)
          }
        })
        return arr
      }
    },
    watch: {
      mode(newValue, oldValue) {
        if (newValue !== 'action' && newValue !== 'emoticon') {
          this.$refs.action.hide()
        }
        if (newValue !== 'text') {
          uni.hideKeyboard()
        }
      }
    },
    onLoad(e) {
      if (!e.params) {
        return this.backToast()
      }
      this.detail = JSON.parse(decodeURIComponent(e.params))
      //console.log(this.detail);
      // 初始化
      this.__init()
      // 创建聊天对象
      this.chat.createChatObject(this.detail)
      // 获取历史记录
      this.list = this.chat.getChatDetail()
      // 监听接收聊天信息
      uni.$on('onMessage', this.onMessage)
      uni.$on('updateHistory', this.updateHistory)
      // 监听发送收藏和名片
      uni.$on('sendItem', this.onSendItem)
    },
    destroyed() {
      // 销毁聊天对象
      this.chat.destoryChatObject()
      // 销毁监听接收聊天消息
      uni.$off('onMessage', this.onMessage)
      uni.$off('updateHistory', this.updateHistory)
      uni.$off('sendItem', this.onSendItem)
    },
    methods: {
      ...mapMutations(['regSendVoiceEvent']),
      onSendItem(e) {
        if (e.sendType === 'fava' || e.sendType === 'card') {
          this.send(e.type, e.data, e.options)
        }
      },
      updateHistory(isclear = true) {
        if (isclear) {
          this.list = []
        } else {
          this.list = this.chat.getChatDetail()
        }
      },
      onMessage(message) {
        //console.log('[聊天页] 监听接收聊天信息', message);
        if ((message.from_id === this.detail.id && message.chat_type === 'user') || (message.chat_type ===
            'group' && message.to_id === this.detail.id)) {
          if (message.isremove !== 1) {
            this.list.push(message)
            // 置于底部
            return this.pageToBottom()
          }
          // 撤回消息
          let index = this.list.findIndex(item => item.id === message.id)
          if (index !== -1) {
            this.list[index].isremove = 1
          }
        }
      },
      __init() {
        var total = 24;
        var page = Math.ceil(total / 8);
        var arr = [];
        for (var i = 0; i < page; i++) {
          var start = i * 8;
          arr[i] = [];
          for (var j = 0; j <= 8; j++) {
            arr[i].push({
              name: '表情' + (start + j),
              icon: '/static/images/emoticon/5497/' + (start + j) + '.gif',
              event: 'sendEmoticon'
            })
          }
        }
        this.emoticonList = arr;
        // var total = 20
        // var page = Math.ceil(total/8)
        // var arr = []
        // for (var i = 0; i < page; i++) {
        //  var start = i*8
        //  arr[i] = []
        //  for (var j = 0; j < 8; j++) {
        //    var no = start + j
        //    if ((no+1) > total) {
        //      continue;
        //    }
        //    arr[i].push({
        //      name:"表情"+no,
        //      icon: $C.emoticonUrl + no +'.gif',
        //      event:"sendEmoticon"
        //    })
        //  }
        // }
        // this.emoticonList = arr
        // 初始化会话列表
        this.chat.initChatListItem({
          chat_type: this.detail.chat_type,
          to_id: this.detail.id,
          to_name: this.detail.name,
          to_avatar: this.detail.avatar,
          data: this.detail.chat_type === 'user' ? '你们已经是好友,可以开始聊天了' : '你已经加入群聊,可以开始聊天了'
        })
      },
      // 打开扩展菜单或者表情包
      openActionOrEmoticon(mode = 'action') {
        this.mode = mode
        this.$refs.action.show()
        uni.hideKeyboard()
        this.KeyboardHeight = uni.upx2px(580)
      },
      // 发送
      send(type, data = '', options = {}) {
        // 组织数据格式
        switch (type) {
          case 'text':
            data = data || this.text
            break;
        }
        let message = this.chat.formatSendData({
          type,
          data,
          options
        })
        // 渲染到页面
        let index = this.list.length
        this.list.push(message)
        // 监听上传进度
        let onProgress = false
        if (message.type !== 'text' && message.type !== 'emoticon' && message.type !== 'card' && !message.data
          .startsWith('http')) {
          onProgress = (progress) => {
            // //console.log('上传进度:', progress);
          }
        }
        // 发送到服务端
        this.chat.send(message, onProgress).then(res => {
          //console.log(res);
          // 发送成功
          this.list[index].id = res.id
          this.list[index].data = res.data;
          this.list[index].sendStatus = 'success'
        }).catch(err => {
          // 发送失败
          this.list[index].sendStatus = 'fail'
          //console.log(err);
        })
        // 发送文字成功,清空输入框
        if (type === 'text') {
          this.text = ''
        }
        // 置于底部
        this.pageToBottom()
      },
      // 回到底部
      pageToBottom() {
        setTimeout(() => {
        // #ifdef APP-PLUS-NVUE
        let chatItem = this.$refs.chatItem
        if(chatItem){
          let lastIndex = chatItem.length > 0 ? chatItem.length - 1 : 0
          if (chatItem[lastIndex]) {
            dom.scrollToElement(chatItem[lastIndex], {})
          }
        }
        // #endif
        // #ifndef APP-NVUE
        let lastIndex = this.list.length - 1
        this.scrollIntoView = 'chatItem_' + lastIndex
        // #endif
        }, 300)
      },
      // 长按消息气泡
      long({
        x,
        y,
        index
      }) {
        // 初始化 索引
        this.propIndex = index
        // 组装菜单
        let menus = [{
          name: "发送给朋友",
          event: 'sendToChatItem'
        }, {
          name: "收藏",
          event: 'fava'
        }, {
          name: "删除",
          event: 'delete'
        }]
        let item = this.list[this.propIndex]
        let isSelf = this.user.id === item.from_id
        if (isSelf) {
          menus.push({
            name: "撤回",
            event: 'removeChatItem'
          })
        }
        // #ifndef H5
        if (item.type === 'text') {
          menus.unshift({
            name: "复制",
            event: 'copy',
          })
        }
        // #endif
        this.menusList = menus
        // 显示扩展菜单
        this.$refs.extend.show(x, y)
      },
      // 操作菜单方法分发
      clickEvent(event) {
        let item = this.list[this.propIndex]
        let isSelf = this.user.id === item.from_id
        switch (event) {
          case 'removeChatItem': // 撤回消息
            // 拿到当前被操作的信息
            this.chat.recall(item).then(res => {
              item.isremove = 1
            })
            break;
          case 'sendToChatItem':
            uni.navigateTo({
              url: '../chat-list/chat-list?params=' + encodeURIComponent(JSON.stringify(item)),
            });
            break;
          case 'copy': // 复制
            uni.setClipboardData({
              data: item.data,
              success: () => {
                uni.showToast({
                  title: '复制成功',
                  icon: 'none'
                });
              }
            });
            break;
          case 'delete':
            uni.showModal({
              content: '是否要删除该记录?',
              success: (res) => {
                if (!res.confirm) return;
                this.chat.deleteChatDetailItem(item, isSelf)
                this.list.splice(this.propIndex, 1)
                // 删除最后一条消息
                if (this.list.length === this.propIndex) {
                  this.chat.updateChatItem({
                    id: this.detail.id,
                    chat_type: this.detail.chat_type
                  }, (v) => {
                    let o = this.list[this.propIndex - 1]
                    let data = ''
                    if (o) {
                      data = this.chat.formatChatItemData(o, isSelf)
                    }
                    v.data = data
                    return v
                  })
                }
              }
            });
            break;
          case 'fava': // 加入收藏
            uni.showModal({
              content: '是否要加入收藏?',
              success: (res) => {
                if (res.confirm) {
                  $H.post('/fava/create', {
                    type: item.type,
                    data: item.data,
                    options: JSON.stringify(item.options)
                  }).then(res => {
                    uni.showToast({
                      title: '加入收藏成功',
                      icon: 'none'
                    });
                  })
                }
              }
            });
            break;
        }
        // 关闭菜单
        this.$refs.extend.hide()
      },
      // 扩展菜单
      actionEvent(e) {
        switch (e.event) {
          case 'uploadImage': // 选择相册
            uni.chooseImage({
              count: 9,
              success: (res) => {
                // 发送到服务器
                // 渲染到页面
                res.tempFilePaths.forEach((item) => {
                  this.send('image', item)
                })
              }
            })
            break;
          case 'uploadVideo': // 发送短视频
            uni.chooseVideo({
              maxDuration: 10,
              success: (res) => {
                this.send('video', res.tempFilePath)
                // 渲染页面
                // 发送到服务端(获取视频封面,返回url)
                // 修改本地的发送状态
              }
            })
            break;
          case 'sendEmoticon': // 发送表情包
            this.send('emoticon', e.icon)
            break;
          case 'openFava': // 发送收藏
            uni.navigateTo({
              url: '../../my/fava/fava?type=send',
            });
            break;
          case 'sendCard': // 发送名片
            uni.navigateTo({
              url: '../../mail/mail/mail?type=sendCard&limit=1',
            });
            break;
        }
      },
      // 点击页面
      clickPage() {
        this.mode = ''
      },
      // 预览图片
      previewImage(url) {
        uni.previewImage({
          current: url,
          urls: this.imageList,
          indicator: "default"
        })
      },
      // 切换音频录制和文本输入
      changeVoiceOrText() {
        this.mode = this.mode !== 'audio' ? 'audio' : 'text'
      },
      // 录音相关
      // 录音开始
      voiceTouchStart(e) {
        // 初始化
        this.isRecording = true
        this.RecordingStartY = e.changedTouches[0].screenY
        this.unRecord = false
        // 开始录音
        this.RECORD.start({
          format: "mp3"
        })
      },
      // 录音结束
      voiceTouchEnd() {
        this.isRecording = false
        // 停止录音
        this.RECORD.stop()
      },
      // 录音被打断
      voiceTouchCancel() {
        this.isRecording = false
        this.unRecord = true
        // 停止录音
        this.RECORD.stop()
      },
      voiceTouchMove(e) {
        let Y = Math.abs(e.changedTouches[0].screenY - this.RecordingStartY)
        this.unRecord = (Y >= 50)
      },
      // 打开聊天信息设置
      openChatSet() {
        uni.navigateTo({
          url: '../chat-set/chat-set?params=' + JSON.stringify({
            id: this.detail.id,
            chat_type: this.detail.chat_type
          }),
        });
      }
    }
  }
</script>
<style>
</style>

/components/free-ui/free-image.vue

<template>
  <!-- <image @click="preview(item.data)" v-if="item.type==='emoticon' || item.type==='image'"
    :src="item.data" lazy-load :style="'width:'+w+'rpx;height:'+h+'rpx;'" @load="loadImage"></image> -->
  <image @tap="$emit('click')" @longpress="$emit('longpress')"
    :src="src" class="bg-hover-light" lazy-load :style="imageStyle" @load="loadImage" :class="imageClass" :mode='mode'></image>
</template>
<script>
  export default {
    props: {
      src: {
        type: String,
        default: ""
      },
      imageClass:{
        type: String,
        default: ""
      },
      mode:{
        type:String,
        default:''
      },
      maxWidth:{ 
        type: Number,
        default: 500 // rpx
      },
      maxHeight:{
        type: Number,
        default: 350 // rpx
      }
    },
    data() {
      return {
        h: 100,
        w: 100
      }
    },
    computed: {
      imageStyle() {
        return `width:${this.w}px;height:${this.h}px;`
      }
    },
    methods: {
      // 加载图片
      loadImage(e){
        let w = e.detail.width
        let h = e.detail.height
        // // 最大宽度 px
        let maxW = uni.upx2px(this.maxWidth)
        // 最大高度
        let maxH = uni.upx2px(this.maxHeight)
        if (h <= maxH) {
          // 用原来的宽高
          this.w = w <= maxW ? w : maxW
          this.h = h
          this.$emit('load',{
            w:this.w,
            h:this.h
          })
          return;
        }
        this.h = maxH
        let w2 = maxH * (w / h)
        this.w = w2 <= maxW ? w2 : maxW
        this.$emit('load',{
          w:this.w,
          h:this.h
        })
      },
    },
  }
</script>
<style>
</style>

/components/free-ui/free-chat-item.vue

<template>
  <div @longpress="long">
    <!-- 时间显示 -->
    <view v-if="showTime" 
    class="flex align-center justify-center pb-4 pt-2">
      <text class="font-sm text-light-muted">{{showTime}}</text>
    </view>
    <!-- 撤回消息 -->
    <view v-if="item.isremove" ref="isremove"
    class="flex align-center justify-center pb-4 pt-1">
      <text class="font-sm text-light-muted">{{ isself ? '你' : '对方' }}撤回了一条信息</text>
    </view>
    <!-- 系统消息 -->
    <view v-if="item.type === 'system'" ref="isremove"
    class="flex align-center justify-center pb-4 pt-1">
      <text class="font-sm text-light-muted">{{item.data}}</text>
    </view>
    <!-- 气泡 -->
    <view v-if="item.type !== 'system' && !item.isremove" class="flex align-start position-relative mb-3"
    :class="!isself ? 'justify-start' : 'justify-end'">
      <!-- 好友 -->
      <template v-if="!isself">
        <free-avater size="70" :src="item.from_avatar" @click="openUser"></free-avater>
        
        <text v-if="hasLabelClass" class="iconfont text-white font-md position-absolute chat-left-icon" :style="shownickname ? 'top:45rpx;':'top:20rpx;'">&#xe609;</text>
      </template>
      
      <view class="flex flex-column">
        <!-- 昵称 -->
        <view v-if="shownickname" class="flex" :class="nicknameClass" style="max-width:500rpx;background-color: rgba(0,0,0,0);" :style="labelStyle">
          <text class="font-sm text-muted">{{item.from_name}}</text>
        </view>
        
        <div class="p-2 rounded" :class="labelClass" style="max-width:500rpx;" :style="labelStyle">
          <!-- 文字 -->
          <text v-if="item.type === 'text'" class="font-md">{{item.data}}</text>
          <!-- 表情包 | 图片-->
          <free-image @longpress="stop" v-else-if="item.type === 'emoticon' || item.type === 'image'" :src="item.data" @click="preview(item.data)" imageClass="rounded" :maxWidth="500" :maxHeight="350"></free-image>
          
          <!-- 音频 -->
          <view v-else-if="item.type === 'audio'" 
          class="flex align-center"
          @tap="openAudio" @longpress="stop">
            <image v-if="isself" :src=" !audioPlaying ? '/static/images/audio/audio3.png' : '/static/images/audio/audio/play.gif'" 
            style="width: 50rpx;height: 50rpx;" 
            class="mx-1"></image>
            <text class="font">{{item.options.time + '"'}}</text>
            <image v-if="!isself" :src=" !audioPlaying ? '/static/images/audio/audio3.png' : '/static/images/audio/audio/play.gif'"
            style="width: 50rpx;height: 50rpx;" 
            class="mx-1"></image>
          </view>
          
          <!-- 视频 -->
          <view v-else-if="item.type === 'video'"
          class="position-relative rounded"
          @tap="openVideo" @longpress="stop">
            <free-image :src="item.options.poster" imageClass="rounded" :maxWidth="300" :maxHeight="350" @load="loadPoster"></free-image>
            <text class="iconfont text-white position-absolute" style="font-size: 80rpx;width: 80rpx;height: 80rpx;" :style="posterIconStyle">&#xe737;</text>
          </view>
          
          <!-- 名片 -->
          <view v-else-if="item.type === 'card'" class="bg-white" style="width: 400rpx;" hover-class="bg-light" @tap="openUserBase" @longpress="stop">
            <view class="p-3 flex align-center border-bottom border-light-secondary">
              <free-avater size="70" 
              :src="item.options.avatar"
              clickType="navigate"></free-avater>
              <text class="font ml-2">{{item.data}}</text>
            </view>
            <view class="flex align-center p-2">
              <text class="font-small text-muted">个人名片</text>
            </view>
          </view>
          
          
          
        </div>
      </view>
      
      <!-- 本人 -->
      <template v-if="isself">
        <text v-if="hasLabelClass" class="iconfont text-chat-item font-md position-absolute chat-right-icon" :style="shownickname ? 'top:45rpx;':'top:20rpx;'">&#xe640;</text>
        <free-avater size="70" :src="item.from_avatar"
        @click="openUser"></free-avater>
      </template>
    </view>
    
    
    <view v-if="item.sendStatus && item.sendStatus !== 'success'" class="flex align-center justify-end px-4">
      <text class="font-sm" :class="item.sendStatus === 'fail' ? 'text-danger' : 'text-muted'">{{item.sendStatus === 'fail' ? '发送失败' : '发送中...'}}</text>
    </view>
    
    
  </div>
</template>
<script>
  import freeAvater from "@/components/free-ui/free-avater.vue"
  import freeImage from './free-image.vue';
  import $T from "@/common/free-lib/time.js"
  
  import { mapState,mapActions } from 'vuex'
  
  export default {
    components: {
      freeAvater,
      freeImage
    },
    props: {
      item: Object,
      index:Number,
      // 上一条消息的时间戳
      pretime:[Number,String],
      shownickname:{
        type:Boolean,
        default:false
      }
    },
    data() {
      return {
        innerAudioContext:null,
        audioPlaying:false,
        // 默认封面的宽高
        poster:{
          w:100,
          h:100
        }
      }
    },
    computed: {
      ...mapState({
        user:state=>state.user.user
      }),
      // 是否是本人
      isself() {
        // 获取本人id
        let id = this.user.id ? this.user.id : 0
        return this.item.from_id === id 
      },
      // 显示的时间
      showTime(){
        return $T.getChatTime(this.item.create_time,this.pretime)
      },
      // 是否需要气泡样式
      hasLabelClass(){
        return this.item.type === 'text' || this.item.type === 'audio'
      },
      // 气泡的样式
      labelClass(){
        let label = this.hasLabelClass ? 'bg-chat-item mr-3' : 'mr-3'
        return this.isself ? label : 'bg-white ml-3'
      },
      nicknameClass(){
        let c = this.isself ? 'justify-end' : ''
        return c +' '+ this.labelClass
      },
      labelStyle(){
        if (this.item.type === 'audio') {
          let time = this.item.options.time || 0
          let width = parseInt(time) / (60/500)
          width = width < 150 ? 150 : width
          return `width:${width}rpx;`
        }
      },
      // 短视频封面图标位置
      posterIconStyle(){
        let w = this.poster.w/2 - uni.upx2px(80)/2
        let h = this.poster.h/2- uni.upx2px(80)/2
        return `left:${w}px;top:${h}px;`
      }
    },
    mounted() {
      // 注册全局事件
      if (this.item.type === 'audio') {
        this.audioOn(this.onPlayAudio)
      }
      // 监听是否撤回消息
      // #ifdef APP-PLUS-NVUE
      this.$watch('item.isremove',(newVal,oldVal)=>{
        if (newVal) {
          const animation = weex.requireModule('animation')
          this.$nextTick(()=>{
            animation.transition(this.$refs.isremove, {
                styles: {
                opacity:1
                },
                duration: 100, //ms
                timingFunction: 'ease',
                }, function () {
                   console.log('动画执行结束');
                })
          })
        }
      })
      // #endif
    },
    // 组件销毁
    destroyed() {
      if (this.item.type === 'audio') {
        this.audioOff(this.onPlayAudio)
      }
      // 销毁音频
      if (this.innerAudioContext) {
        this.innerAudioContext.destroy()
        this.innerAudioContext = null
      }
    },
    methods:{
      ...mapActions(['audioOn','audioEmit','audioOff']),
      openUser(){
        uni.navigateTo({
          url: '/pages/mail/user-base/user-base?user_id='+this.item.from_id,
        });
      },
      stop(){},
      // 打开名片
      openUserBase(){
        uni.navigateTo({
          url: '/pages/mail/user-base/user-base?user_id='+this.item.options.id,
        });
      },
      // 加载封面
      loadPoster(e){
        this.poster.w = e.w
        this.poster.h = e.h
      },
      // 监听播放音频全局事件
      onPlayAudio(index){
        if (this.innerAudioContext) {
          if (this.index !== index) {
            this.innerAudioContext.pause()
          }
        }
      },
      // 播放音频
      openAudio(){
        // 通知停止其他音频
        this.audioEmit(this.index)
        if (!this.innerAudioContext) {
          this.innerAudioContext = uni.createInnerAudioContext();
          this.innerAudioContext.src = this.item.data
          this.innerAudioContext.play()
          // 监听播放
          this.innerAudioContext.onPlay(()=>{
            this.audioPlaying = true
          })
          // 监听暂停
          this.innerAudioContext.onPause(()=>{
            this.audioPlaying = false
          })
          // 监听停止
          this.innerAudioContext.onStop(()=>{
            this.audioPlaying = false
          })
          // 监听错误
          this.innerAudioContext.onError(()=>{
            this.audioPlaying = false
          })
        } else {
          this.innerAudioContext.stop()
          this.innerAudioContext.play()
        }
      },
      // 预览图片
      preview(url){
        this.$emit('preview',url)
      },
      // 长按事件
      long(e){
        if(this.item.type==='system' || this.item.isremove){
          return;
        }
        let x = 0
        let y = 0
        // #ifdef APP-PLUS-NVUE
        if (Array.isArray(e.changedTouches) && e.changedTouches.length > 0) {
          x = e.changedTouches[0].screenX
          y = e.changedTouches[0].screenY
        }
        // #endif
        // #ifdef H5
        x = e.changedTouches[0].pageX
        y = e.changedTouches[0].pageY
        // #endif
        // #ifdef MP
        x = e.detail.x
        y = e.detail.y
        // #endif
        this.$emit('long',{
          x,
          y,
          index:this.index
        })
      },
      // 打开视频
      openVideo(){
        uni.navigateTo({
          url: '/pages/chat/video/video?url='+this.item.data,
        });
      }
    }
  }
</script>
<style scoped>
  .chat-left-icon{
    left: 80rpx;
  }
  .chat-right-icon{
    right: 80rpx;
  }
  .chat-animate{
    /* #ifndef APP-PLUS-NVUE */
    opacity: 0;
    /* #endif */
  }
</style>

感谢大家观看,我们下次见

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