BaseNavBar.vue

<template>
  <div class="base-nav-bar">
    <van-nav-bar
      :title="navBarTitle"
      left-arrow
      @click-left="onClickLeft"
      @click-right="onClickRight"
    />
  </div>
</template>

<script>
export default {
  name: "BaseNavBar",
  props: {
    navBarTitle: {
      type: String,
      default: "标题"
    }
  },
  methods: {
    onClickLeft() {
      this.$router.go(-1);
    },
    onClickRight() {
      console.log("right");
    }
  }
};
</script>