【uniapp-小程序-给video添加水印】

<video
						@error="videoErrorCallback"  
						:danmu-btn="flase"
						:show-center-play-btn="flase"
						:enable-danmu="flase"
						:poster="live_course_bg"
						id="myVideo"
						ref="myVideo"
						:controls = "isCotrol"
						@click="videoClick"
						@play="videoPlay"
						:src="videoUrl"
						:initial-time="initialTime"
						@ended="videoEnded"
						@timeupdate="videoTimeUpdate"
						@fullscreenchange="screenChange"
						style="position: relative;"
						>
						<cover-image src="" style="position: absolute;top: 10rpx;" :style="{'left':isWatermark?'10rpx':'100rpx','width': isWatermark?'158rpx':'138rpx','height':isWatermark? '31rpx':'28rpx'}"></cover-image>
					</video>

data(){
	return{
		isWatermark:true,//水印样式，默认是不全屏
	}
},
methods:{
	screenChange(e){
		let fullScreen = e.detail.fullScreen; // 值true为进入全屏，false为退出全屏
		console.log(fullScreen)
		if(fullScreen){
			this.isWatermark = false
		}else{
			this.isWatermark = true
		}
	},
}