VUE使用 wx-open-launch-app 组件开发微信打开APP功能

<template>
	<div class="beva-home">		
		<!-- ===== 微信浏览器打开贝瓦APP ===== -->
		<div class="weixin-open-app" v-if="openAppState">
			<img class="close-icon" :src="icon.close" alt="关闭" @click="handleCloseOpenAppMask">
			<div class="detail">微信端暂不支持音视频播放，请到APP观看收听。</div>
			<div class="open-btn" v-if="!wechatState" @click="handleOpenBevaApp">打开贝瓦儿歌APP</div>
			<div class="" v-else>
				<wx-open-launch-app id="launch-btn" @error="handleErrorFn" @launch="handleLaunchFn" appid="wxd8799b17ff675637" extinfo="这里是微信H5传递给APP的指定参数">
					<script type="text/wxtag-template">
						<style>.btn { display: flex;align-items: center; }</style>								
						<div class="btn" style="border-radius: 50px;font-size:15px;color:#ffffff;font-weight:700;padding: 0 50px;height:45px;line-height: 45px;background-color: #FF9700;margin: 0 auto;">前往贝瓦儿歌</div>					
					</script>
				</wx-open-launch-app>
			</div>			
		</div>
	</div>
</template>

<script>
	export default {
		data() {
			return {
				wechatState:false, // 是否显示微信打开app功能按钮			
				icon:{
					close:require("../../assets/close.png")
				},				
				openAppState:false, // 显示打开app 的按钮 
			}
		},
		methods: {
			/**
			 * 判断当前的环境是否为微信环境且版本大于指定版本
			 */
			handleJudgeWechat(){
			 let wechat = navigator.userAgent.match(/MicroMessenger\/([\d\.]+)/i) ;
			 let judgewechat = wechat[1].split('.')
			 if(judgewechat[0]>=7){
			 if(judgewechat[1]>=0){
			  if(judgewechat[2]>=12){
			  this.wechatState = true
			  console.log("当前符合 h5 打开指定app")   
			  }
			 }
			 }
			},
			/**
			 * 打开应用宝下载页面
			 */
			handleOpenBevaApp() {
				window.location.href = "https://a.app.qq.com/o/simple.jsp?pkgname=com.slanissue.apps.mobile.erge&g_f=******"
			},
			/**
			 * 监听error 函数
			 */
			handleErrorFn(e){
				this.$data.wechatOpenAppData ="【这里是error 函数】"+ JSON.stringify(e)
				if (e.isTrusted == false) {
					// alert("跳转失败")
					window.open("https://a.app.qq.com/o/simple.jsp?pkgname=com.slanissue.apps.mobile.erge&g_f=******")
				}
			},
			/**
			 * 监听launch 函数
			 */
			handleLaunchFn(e){
				this.$data.wechatOpenAppData ="【这里是launch 函数】"+ JSON.stringify(e)
			},
			/**
			 * 配置当前页面分享信息
			 */
			handleWeixinShare(){
				this.$weixin.share({
					imgUrl: window.location.origin + require("../../assets/logo.png"),
					title: "贝瓦儿歌-推荐首页",
					desc: "海量精品课程，尽在贝瓦儿歌APP！",
					link: window.location.href
				})
			},
			/**
			 * 关闭弹框打开贝瓦儿歌app
			 */
			handleCloseOpenAppMask(){
				this.$data.openAppState = false
			},
		},
		mounted() {
			this.handleWeixinShare()
			console.log("【贝瓦首页初始化】")
			this.handleJudgeWechat()
			// 获取 homelist 组件传递过来的打开app的 显示状态
			this.bus.$on("openAPP",res=>{
				console.log("open app")
				if(res.type){
					this.$data.openAppState = true
				}
			})
		}
	}
</script>