5.7 关于退出创建直播页黑边问题 · UNI-APP实战直播App

``` <template> <view> <live-pusher id="livePusher" ref="livePusher" class="livePusher" url="" :mode="mode" :muted="true" :enable-camera="enableCamera" :auto-focus="autoFocus" :beauty="beauty" whiteness="whiteness" device-position = "devicePosition" @statechange="statechange" @netstatus="netstatus" @error="error" :style="{'height' : windowHeight + 'px' }" style="width:750rpx" > </live-pusher> <view v-if="showBars"> <view style="position: fixed; left : 0; right : 0; height: 500rpx;" :style="{'top' : statusBarHeight + 'px'}">  <view class="flex align-center justify-center" style="width: 90rpx; height:90rpx; background-color: yellow;"> <text class="iconfont text-white"></text> </view>  <view class="position-absolute rounded p-2 flex align-center" style="left: 90rpx; right : 100rpx; height: 160rpx; background-color: rgba(0,0,0,0.2);"> <view class="position-relative rounded" style="width: 120rpx; height: 120rpx;"> <image src="/static/gift/3.png" style="width: 120rpx; height: 120rpx;"></image> <text class="text-white position-absolute font" style="left:0; right:0; bottom:0;">更换封面</text> </view> <view class="flex-1 ml-2"> <input class="mb-2" type="text" value="" placeholder="请输入直播间标题"/> <text class="text-white font">#请选择分类</text> </view> </view>  <view class="position-absolute right-0 flex flex-column" style="width: 100rpx;"> <view @click="switchCamera" style="height: 120rpx; width: 100rpx;" class="flex flex-column align-center justify-center"> <text class="iconfont text-white mb-1"></text> <text class="text-white font">翻转</text> </view> <view @click="openPopup('mode')" style="height: 120rpx; width: 100rpx;" class="flex flex-column align-center justify-center"> <text class="iconfont text-white mb-1"></text> <text class="text-white font">画质</text> </view> <view @click="openPopup('beauty')" style="height: 120rpx; width: 100rpx;" class="flex flex-column align-center justify-center"> <text class="iconfont text-white mb-1"></text> <text class="text-white font">美颜</text> </view> <view @click="openPopup('whiteness')" style="height: 120rpx; width: 100rpx;" class="flex flex-column align-center justify-center"> <text class="iconfont text-white mb-1"></text> <text class="text-white font">美白</text> </view> </view> </view>  <view class="position-fixed bg-main flex align-center justify-center rounded-circle" style="left : 100rpx; right : 100rpx; bottom: 100rpx; height : 120rpx;"> <text class="text-white font-md ">开始视频直播</text> </view> <uni-popup type="bottom" ref="popup"> <view class="bg-white"> <view class="flex align-center justify-center border-bottom" style="height : 90rpx;"> <text class="font">{{popupTitle}}</text> </view>  <view v-if="popupType === 'mode'"> <view @click="chooseMode(item)" v-for="(item,index) in modeList" :key="index" :class="mode === item.type ? 'bg-main' : ''" class="flex align-center justify-center py-2 " hover-class="bg-light"> <text class="font-md " :class="mode === item.type ? 'text-white' : ''">{{item.desc}}</text> </view> </view>  <view v-else-if="popupType === 'beauty'"> <slider show-value :block-size="18" :min="0" :max="9" :step="1" :value="beauty" @change="handleSliderChange"/> </view>  <view v-else-if="popupType === 'whiteness'"> <slider show-value :block-size="18" :min="0" :max="9" :step="1" :value="whiteness" @change="handleSliderChange"/> </view> <view class="f-divider"></view> <view class="flex align-center justify-center " style="height : 90rpx;"> <text class="font">取消</text> </view> </view> </uni-popup> </view> </view> </template> <script> export default { data() { return { // 屏幕的高度 windowHeight : 0, // 保存live-pusher 实例对象 context : null, // 保存状态栏高度 statusBarHeight : 0, // 保存工具点击切换的状态 popupType : "mode", showBars : true, // 画质数据列表 modeList : [ { type : "SD", desc : "标清" }, { type : "HD", desc : "高清" }, { type : "FHD", desc : "超清" } ], // 推流地址，支持RTMP协议。 url : "", // 推流视频模式，可取值：SD（标清）, HD（高清）, FHD（超清）。 mode : "SD", // 开启摄像头 enableCamera : true, // 自动聚集 autoFocus : true, // 美颜，取值范围 0-9（iOS取值范围为1），0 表示关闭。 beauty : 0, // 美白，取值范围 0-9（iOS取值范围为1），0 表示关闭。 whiteness : 0, // 前置或后置，值为front, back devicePosition : "back" }; }, onLoad() { const res = uni.getSystemInfoSync() this.windowHeight = res.windowHeight this.statusBarHeight = res.statusBarHeight }, onReady() { this.context = uni.createLivePusherContext("livePusher",this) this.startPreview() }, onBackPress() { this.showBars = false }, computed:{ popupTitle(){ let o = { mode : "画质", beauty : "美颜", whiteness : "美白" } return o[this.popupType] } }, methods: { // 切换相机镜头 switchCamera(){ this.context.switchCamera({ success: (e) => { console.log(e) this.devicePosition = this.devicePosition === "back" ? 'front' : 'back' } }) }, // 拉起popup弹窗 openPopup(type){ this.popupType = type this.$refs.popup.open() }, // 切换画质 chooseMode(item){ this.mode = item.type uni.showToast({ title : "画质切换为" + item.desc, icon : "none" }) this.$refs.popup.close() }, // 开启预览 startPreview(){ this.context.startPreview({ success : (e)=>{ console.log(e) } }) }, // 拖动滑块触发的方法 handleSliderChange(e){ this[this.popupType] = e.detail.value }, // 监听直播状态的变化 statechange(e){ console.log(e) }, // 监听直播网络状态变化 netstatus(e){ console.log(e) }, // 监听直播错误变化 error(e){ console.log(e) } } }; </script> <style></style> ```