uniapp app 人脸识别的实现示例

<template>
	<div>
		<div class="livefater">
			<div style="width: 300px;height: 300px;border-radius: 150px;overflow: hidden;">
				<!-- orientation="horizontal" //设置垂直水平方向 -->
				<live-pusher id='livePusher' ref="livePusher" class="livePusher" url=""
					mode="SD" :muted="true" :enable-camera="true" :auto-focus="true" :beauty="1" whiteness="2"
					aspect="1:1" @statechange="statechange" @netstatus="netstatus" @error="error"></live-pusher>
			</div>
			<cover-image src="/static/image/gai1.png" class="gaiimg"></cover-image>
		</div>
		<view class="message" style="color: #fff;">
			<text class="info">{{message}}</text>
		</view>
	</div>
</template>
 
<script>
	export default {
		props: {
			time: {
				default: 5000,
				type: Number
			},
			message: {
				default: '识别中，请稍后...',
				type: String
			}
		},
		data() {
			return {}
		},
		mounted() {
 
			// 注意：需要在onReady中 或 onLoad 延时
			this.context = uni.createLivePusherContext("livePusher", this);
			var that = this
			uni.getSystemInfo({
				success: function(e) {
					// 计算导航栏高度
					that.statusBar = e.statusBarHeight
					// #ifndef MP  
					if (e.platform == 'android') {
						that.CustomBar = e.statusBarHeight   50
					} else {
						that.CustomBar = e.statusBarHeight   45
					}
					console.log(that.statusBar)
					// #endif  
					// #ifdef MP-WEIXIN  
					let custom = wx.getMenuButtonBoundingClientRect()
					that.CustomBar = custom.bottom   custom.top - e.statusBarHeight
 
					// #endif  
 
					// #ifdef MP-ALIPAY  
					that.CustomBar = e.statusBarHeight   e.titleBarHeight
					// #endif  
				}
			})
			setTimeout(() => {
				this.startPreview()
			})
		},
		methods: {
			// 拍照事件
			snapshot: function() {
				var that = this
				this.context.snapshot({
					success: (e) => {
						console.log(e.message, '拍照信息');
						this.$emit('faceImg', e.message)
					}
				});
			},
			// 开启摄像头
			startPreview() {
				console.log("1")
				var that = this
				this.context.startPreview({
					success: (a) => {
						console.log("livePusher.startPreview:"   JSON.stringify(a));
						that.Timer = setInterval(function() {
							that.snapshot()
						}, that.time)
					},
					fail(err) {
						console.log(err);
					}
				});
			},
		},
	}
</script>
 
<style>
	<style lang="less">page {
		background: #0c8cf9;
	}
 
	.u-navbar__content__left {
		display: flex !important;
		align-items: center;
	}
 
	.u_nav_slot {
		display: flex;
		align-items: center;
		flex-direction: row;
		color: rgba(0, 0, 0, 0.9);
		font-size: 14.4rpx;
		font-weight: 700;
 
	}
 
	.text {
		margin-left: 1rpx;
		color: #fff;
		font-size: 16rpx;
	}
 
	.box {
		z-index: 99;
		position: absolute;
		left: 35%;
		top: 25%;
		width: 250rpx;
		height: 250rpx;
		background: pink;
	}
 
	.message {
		flex: 1;
		justify-content: center;
		align-items: center;
		font-weight: 700;
	}
 
	.info {
		color: #fff !important;
		font-size: 20rpx;
	}
 
	.livePusher {
		width: 300px;
		height: 300px;
	}
 
	.livefater {
		display: -ms-flex;
		display: -webkit-flex;
		display: flex;
		justify-content: center;
		flex-direction: column;
		align-items: center;
		margin-top: 10rpx;
		margin-bottom: 50rpx;
		height: 350px;
	}
 
	.gaiimg {
		width: 300px;
		height: 300px;
		margin-top: -300px;
	}
</style>
</style>

<TestingFace :time="5000" @faceImg="faceImg" :message="message"></TestingFace>