caimei-distribution-www/src/components/nav-bar.vue

<template>
  <div class="navbar">
    <van-nav-bar
      :title="title"
      left-arrow
      @click-left="$emit('click-left')"
    />
    <slot></slot>
  </div>
</template>

<script>
export default {
  props: {
    title: {
      type: String,
      default: () => ''
    }
  }
}
</script>

<style lang="scss" scoped>
.navbar {
  @include position-sticky(66);
}
::v-deep .van-nav-bar {
  position: sticky;
  top: 0;
}
::v-deep .van-nav-bar .van-icon {
  color: #333333;
}
</style>