一、项目简介
uni-liveShow是一个基于vue+uni-app技术开发的集小视频/IM聊天/直播等功能于一体的微直播项目。界面仿制抖音|火山小视频/陌陌直播,支持编译到多端(H5、小程序、App端) 且兼容效果一致。
二、效果预览
在H5、小程序、App端测试效果如下:(后续大图均为APP端)

三、使用技术
- 编码器+技术:HBuilderX + vue/NVue/uniapp/vuex
- iconfont图标:阿里字体图标库
- 自定义导航栏 + 底部Tabbar
- 弹窗组件:uniPop(uni-app封装自定义弹出窗)
- 测试环境:H5端 + 小程序 + App端


















◆ uniapp计算设备顶部状态栏高度
- /**
- * @desc uniapp主页面App.vue
- * @about Q:282310962 wx:xy190310
- */
-
- <script>
- import Vue from 'vue'
- export default {
- onLaunch: function() {
- // console.log('App Launch')
- uni.getSystemInfo({
- success:function(e){
- Vue.prototype.statusBar = e.statusBarHeight
- // #ifndef MP
- if(e.platform == 'android') {
- Vue.prototype.customBar = e.statusBarHeight + 50
- }else {
- Vue.prototype.customBar = e.statusBarHeight + 45
- }
- // #endif
-
- // #ifdef MP-WEIXIN
- let custom = wx.getMenuButtonBoundingClientRect()
- Vue.prototype.customBar = custom.bottom + custom.top - e.statusBarHeight
- // #endif
-
- // #ifdef MP-ALIPAY
- Vue.prototype.customBar = e.statusBarHeight + e.titleBarHeight
- // #endif
- }
- })
- },
- }
- </script>
◆ 项目中顶部透明导航栏设置
顶部导航栏采用的是自定义模式,可设置透明背景(如:个人主页/朋友圈动态) 具体可参看这篇文章:uni-app自定义导航栏按钮|uniapp仿微信顶部导航条

- <header-bar :isBack="true" title=" " :bgColor="{background: 'transparent'}" transparent>
- <text slot="back" class="uni_btnIco iconfont icon-guanbi" style="font-size: 25px;"></text>
- <text slot="iconfont" class="uni_btnIco iconfont icon-dots mr_5" style="font-size: 25px;"></text>
- </header-bar>
◆ uniapp仿抖音小视频效果
项目中小视频界面功能效果类似抖音/火山小视频,使用swiper组件实现上下滑动切换视频播放。

- <swiper :indicator-dots="false" :duration="200" :vertical="true" :current="videoIndex" @change="handleSlider" style="height: 100%;">
- <block v-for="(item,index) in vlist" :key="index">
- <swiper-item>
- <view class="uni_vdplayer">
- <video :id="'myVideo' + index" :ref="'myVideo' + index" class="player-video" :src="item.src"
- :controls="false" :loop="true" :show-center-play-btn="false" objectFit="fill">
- </video>
- <!-- 中间播放按钮 -->
- <view class="vd-cover flexbox" @click="handleClicked(index)"><text v-if="!isPlay" class="iconfont icon-bofang"></text></view>
- <!-- 底部信息 -->
- <view class="vd-footToolbar flexbox flex_alignb">
- <view class="vd-info flex1">
- <view class="item at">
- <view class="kw" v-for="(kwItem,kwIndex) in item.keyword" :key="kwIndex"><text class="bold fs_18 mr_5">#</text> {{kwItem}}</view>
- </view>
- <view class="item subtext">{{item.subtitle}}</view>
- <view class="item uinfo flexbox flex_alignc">
- <image class="avator" :src="item.avator" mode="aspectFill" /><text class="name">{{item.author}}</text> <text class="btn-attention bg_linear1" :class="item.attention ? 'on' : ''" @tap="handleAttention(index)">{{item.attention ? '已关注' : '关注'}}</text>
- </view>
- <view class="item reply" @tap="handleVideoComment"><text class="iconfont icon-pinglun mr_5"></text> 写评论...</view>
- </view>
- <view class="vd-sidebar">
- <view v-if="item.cart" class="ls cart flexbox bg_linear3" @tap="handleVideoCart(index)"><text class="iconfont icon-cart"></text></view>
- <view class="ls" @tap="handleIsLike(index)"><text class="iconfont icon-like" :class="item.islike ? 'like' : ''"></text><text class="num">{{ item.likeNum+(item.islike ? 1: 0) }}</text></view>
- <view class="ls" @tap="handleVideoComment"><text class="iconfont icon-liuyan"></text><text class="num">{{item.replyNum}}</text></view>
- <view class="ls"><text class="iconfont icon-share"></text><text class="num">{{item.shareNum}}</text></view>
- </view>
- </view>
- </view>
- </swiper-item>
- </block>
- </swiper>
视频滑动切换 播放、暂停 及单击/双击判断,商品及评论展示
- <script>
- // 引入商品广告、评论
- import videoCart from '@/components/cp-video/cart.vue'
- import videoComment from '@/components/cp-video/comment'
-
- let timer = null
- export default {
- data() {
- return {
- videoIndex: 0,
- vlist: videoJson,
-
- isPlay: true, //当前视频是否播放中
- clickNum: 0, //记录点击次数
- }
- },
- components: {
- videoCart, videoComment
- },
- onLoad(option) {
- this.videoIndex = parseInt(option.index)
- },
- onReady() {
- this.init()
- },
- methods: {
- init() {
- this.videoContextList = []
- for(var i = 0; i < this.vlist.length; i++) {
- // this.videoContextList.push(this.$refs['myVideo' + i][0])
- this.videoContextList.push(uni.createVideoContext('myVideo' + i, this));
- }
-
- setTimeout(() => {
- this.play(this.videoIndex)
- }, 200)
- },
-
- // 滑动切换
- handleSlider(e) {
- let curIndex = e.detail.current
- if(this.videoIndex >= 0){
- this.videoContextList[this.videoIndex].pause()
- this.videoContextList[this.videoIndex].seek(0)
- this.isPlay = false
- }
- if(curIndex === this.videoIndex + 1) {
- this.videoContextList[this.videoIndex + 1].play()
- this.isPlay = true
- }else if(curIndex === this.videoIndex - 1) {
- this.videoContextList[this.videoIndex - 1].play()
- this.isPlay = true
- }
- this.videoIndex = curIndex
- },
- // 播放
- play(index) {
- this.videoContextList[index].play()
- this.isPlay = true
- },
- // 暂停
- pause(index) {
- this.videoContextList[index].pause()
- this.isPlay = false
- },
- // 点击视频事件
- handleClicked(index) {
- if(timer){
- clearTimeout(timer)
- }
- this.clickNum++
- timer = setTimeout(() => {
- if(this.clickNum >= 2){
- console.log('双击视频')
- }else{
- console.log('单击视频')
- if(this.isPlay){
- this.pause(index)
- }else{
- this.play(index)
- }
- }
- this.clickNum = 0
- }, 300)
- },
-
-
- // 喜欢
- handleIsLike(index){
- let vlist = this.vlist
- vlist[index].islike =! vlist[index].islike
- this.vlist = vlist
- },
- // 显示评论
- handleVideoComment() {
- this.$refs.videoComment.show()
- },
-
- // 显示购物车
- handleVideoCart(index) {
- this.$refs.videoCart.show(index)
- },
- }
- }
- </script>
在项目开发过程中,遇到了视频video层级高不能覆盖的问题,使用nvue页面就可以解决view覆盖在video之上。.nvue
(native vue的缩写)
更多关于nvue页面开发,可以参看:uniapp开发nvue页面
◆ uniapp聊天页面实现
项目中的聊天页面,功能效果这里就不详细介绍了,可参看这篇:uni-app聊天室|vue+uniapp仿微信聊天实例
◆ 直播页面live.nvue
为避免video不能覆盖问题,直播页面采用的是nvue编写,开发过程也遇到了一些坑,尤其是css,全部是flex布局,而且不能多级嵌套,有些css属性不支持。

- <template>
- <div class="nlv__container">
- <view class="nlv_main">
- <swiper class="nlv-swiper" :indicator-dots="false" :vertical="false" :current="videoIndex" @change="handleSlider">
- <swiper-item v-for="(item, index) in vlist" :key="index">
- <!-- //直播区 -->
- <view class="nlv-playerbox">
- <video :id="'myVideo' + index" :ref="'myVideo' + index" class="player-video" :src="item.src" :autoplay="index == videoIndex"
- :controls="false" :loop="true" :show-center-play-btn="false" objectFit="fill" :style="{height: winHeight, width: winWidth}">
- </video>
-
- <!-- //顶部 -->
- <view class="nlv_topbar" :style="{ height: headerBarH, 'padding-top': statusBarH }">
- ...
- </view>
-
- <!-- //排名信息 -->
- <view class="nlv-rankbox" :style="{top: headerBarH}">
- <view class="nlv-rkls">
- <text class="rkitem">总排名{{item.allRank}}</text>
- <text v-if="item.hourRank" class="rkitem">小时榜第{{item.hourRank}}名</text>
- </view>
- <text class="nlv-uid">U直播:{{item.uid}}</text>
- </view>
-
- <!-- //底部信息栏 -->
- <view class="nlv-footToolbar">
- <!-- 送礼物提示 -->
- <view class="nlv-giftTipPanel">
- ...
- </view>
-
- <!-- 滚动msg信息 -->
- <scroll-view class="nlv-rollMsgPanel" scroll-y show-scrollbar="false">
- <block v-for="(msgitem, msgidx) in item.rollmsg" :key="msgidx">
- <view class="nlv-msglist"><view class="msg_bg"><text class="msg_name">{{msgitem.uname}}</text> <text class="msg_text">{{msgitem.content}}</text></view></view>
- </block>
- </scroll-view>
-
- <view class="nlv-infobox">
- <view class="nlv_reply" @tap="handleRollMsg(index)"><text class="nlv_reply_text">说点什么...</text></view>
- <view class="nlv_btntool">
- ...
- <view v-if="item.cart" class="btn-toolitem" @tap="handleLiveCart(index)"><text class="iconfont i-btntool" style="color: #ff4e0e;font-size: 20px;"></text></view>
- <view class="btn-toolitem btn-toolitem-cart" @tap="handleLiveGift"><text class="iconfont i-btntool"></text></view>
- ...
- </view>
- </view>
- </view>
- </view>
- </swiper-item>
- </swiper>
- </view>
-
- <!-- 商品广告、滚动消息、礼物 -->
- <live-cart ref="liveCart" :vlist="vlist" />
- <roll-msg ref="rollMsg" :vlist="vlist" />
- <live-gift ref="liveGift" />
- </div>
- </template>
另外引入阿里字体图标也需注意:通过weex方式引入
- beforeCreate() {
- // 引入iconfont字体
- // #ifdef APP-PLUS
- const domModule = weex.requireModule('dom')
- domModule.addRule('fontFace', {
- fontFamily: "nvueIcon",
- 'src': "url('../../../static/fonts/iconfont.ttf')"
- });
- // #endif
- },
至于视频滑动切换和上面小视频操作差不多,就不贴码了。 到这里,uni-liveShow项目基本介绍完了,希望对大家有些许帮助。??
最后,附上两个vue/react项目案例:
vue+vuex+vue-router仿微信网页版聊天室 https://www.cnblogs.com/xiaoyan2017/p/10793728.html
angular+ng-router手机端聊天IM实战开发 https://www.cnblogs.com/xiaoyan2017/p/11194828.html