unimall/unimall-app/pageB/video/broadcast.vue

<template>
   
</template>

<script>
    export default {
        data() {
        },
        onShow() {
           const subnvue = uni.getSubNVueById('drawer') // 获取nvue
           			subnvue.show()  // 显示nvue
        },
        methods: {
            
        }
    };
</script>