微信浏览器内 h5 直接唤醒 app 之 微信开放标签 wx-open-launch-app

wx.config({
    appId: '',
    debug: true,
    timestamp: '',
    nonceStr: '',
    signature: '',
    jsApiList: [
        'onMenuShareTimeline', // 分享给好友
        'onMenuShareAppMessage', // 分享到朋友圈
    ],
    openTagList: ['wx-open-launch-app’] // 获取开放标签权限
});

// 忽略自定义元素标签抛出的报错
Vue.config.ignoredElements = [
    'wx-open-launch-app',
];
new Vue({
    el: '#app',
    template: '<app/>',
    components: { app }
})

<wx-open-launch-app
    :id="id"
    class="launch-btn"
    :appid="appId"
    :extinfo="extinfoStr"
    >
    <script type="text/wxtag-template">
        <style>.btn {height: 96px;}</style>
        <div class="btn">打开app</div>
    </script>
</wx-open-launch-app>

mounted(){
    var btn = document.getElementById(this.id)
    btn.addEventListener('launch', e => {
        // 在此处可设置粘贴板内数据，数据是传递给 app 的参数进，
        console.log('success');
    });
    btn.addEventListener('error', e => {
        // 在此处可设置粘贴板内数据，数据是传递给 app 的参数进，
        console.log('fail', e.detail);
        // 唤醒失败的情况下，可用于降级处理比如在此处跳转到应用宝
    });
}

<div @click="launch">
    <wx-open-launch-app
        :id="id"
        class="launch-btn"
        :appid="appId"
        :extinfo="extinfoStr" 
      >
      <script type="text/wxtag-template">
        <style>.btn {height: 96px;}</style>
        <div class="btn">打开app</div>
      </script>
    </wx-open-launch-app>
  </div>

launch(){
    // 在此处可设置粘贴板内数据，数据是传递给 app 的参数进
    if(!this.enable){
        // 不支持标签降级处理
    }
}

<template>
  <div @click="launch">
    <wx-open-launch-app
        :id="id"
        class="launch-btn"
        :appid="appId"
        :extinfo="extinfoStr"
      >
      <script type="text/wxtag-template">
        <style>.btn {height: 96px;}</style>
        <div class="btn">打开app</div>
      </script>
    </wx-open-launch-app>
  </div>
</template>
<script>
  import globalConfig from '@assets/js/config'
  import { copyToClipboard } from '@assets/js/utils'
  import { getWeixinVersion, onBridgeReady } from '@assets/js/weixin/weixin'
  
  let idIndex = 0
  export default {
    name: 'LaunchButton',
    props: {
      extinfo: {
        type: Object,
        default: ''
      },
    },
    watch: {
      extinfo: {
        handler(n){
          this.extinfoStr = JSON.stringify(n)
        },
        immediate: true
      }
    },
    data() {
      idIndex++
      return {
        id: 'wxopenLanchAppId' + idIndex,
        appId: globalConfig.WEIXIN_APP_ID,
        enable: false,
        extinfoStr: '',
      }
    },
    methods: {
      redirectToApp(){
        setTimeout(()=>{
          window.location.href = globalConfig.YING_YONG_BAO
        }, 400)
      },
      setClipboard(){
        console.log('start copy')
        let copyObject = {
          app: 'yogo'
        }
        for(var k in this.extinfo){
          copyObject[k] = this.extinfo[k]
        }
        copyObject = JSON.stringify(copyObject)
        copyToClipboard(copyObject)
        console.log('end copy')
      },
      launch(){
        this.setClipboard()
        if(!this.enable){
          this.redirectToApp()
        }
      }
    },
    created(){
      // 微信版本号大于 7.0.12 开放标签才可进行 唤醒 app 跳转
      const wxVersion = getWeixinVersion()
      if(wxVersion){
        let v = wxVersion.split('.')
        if(v[0]>=7){
          if(v[1]>=0){
            if(v[2]>=12){
              this.enable = true
            }
          }
        }
      }
    },
    mounted(){
      var btn = document.getElementById(this.id)
      btn.addEventListener('launch', e => {
        this.setClipboard()
        console.log('success');
      });
      btn.addEventListener('error',  e => {
        console.log('fail', e.detail);
        this.setClipboard()
        this.redirectToApp()
      });
    }
  }
</script>
<style lang="scss" scoped>
  .launch-btn{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0;
    // background: red;
  }
</style>