返回标题组件控制

brower-system-wx.js

\public\config-open\brower-system-wx.js

,
    changeTitle(title){
        if(window.$bowUtil.isWechatMini()){
            window.document.title=title;
            return false;
        }
        window.document.title=title;
        return false;
    }

bs-back.vue

<template>
  <van-sticky v-show="visible">
    <section class="bs-back">
      <van-nav-bar
        v-bind="$attrs"
        @click-left="onClickLeft"
        @click-right="onClickRight"
      />
    </section>
  </van-sticky>
</template>
<style></style>
<script>
//统一跳转控制
import { goBack as toBacKUrl } from "@/utils/request-link";
export default {
  name: "bs-back",  
  data() {
    return {
      visible:true
    }
  },
  mounted() {
   this.visible= window.$bowUtil.changeTitle(this.$attrs.title)
  },
  methods: {
    goBack() {
      if (this.doBack === null || this.doBack === undefined) {
        // window.history.go(-1);
        toBacKUrl();
      } else {
        this.doBack();
      }
    },
    onClickLeft() {
      if (this.doClickLeft === null || this.doClickLeft === undefined) {
        // window.history.go(-1);
        toBacKUrl();
      } else {
        this.doClickLeft();
      }
    },
    onClickRight() {
      this.$emit("on-click-right");
    },
  },
  // watch:{
  //   "value.title": function (to, from) {
  //       window.document.title=to;
  //   },
  // },
  props: {
    value: {
      type: Object,
      default: () => {},
    },
    doBack: {
      type: Function,
      default: null,
    },
    doClickLeft: {
      type: Function,
      default: null,
    },
  },
  beforeRouteEnter(to, from, next) {
    // console.log(to);
    next((vm) => {
      vm.$router.replace(from.path);
    });
  },
};
</script>