vue 后退不刷新

  <keep-alive>
    <router-view v-if="$route.meta.keepAlive"></router-view>
  </keep-alive>
  <router-view v-if="!$route.meta.keepAlive"></router-view>

  {
    path: "journal",
    name: "门诊日志",
    meta: {
      title: "门诊日志",
      keepAlive: true, // 此组件需要被缓存
    },
    component: () =>
      require.ensure(
        [],
        () => require("@/views/DataStatistics/journal"),
        "DataStatistics"
    )
  }

  var isBack = true;
  export default {
    beforeRouteEnter(to, from, next) {
      if (from.path == "/DataStatistics/outpatientDetail") {
        isBack = true;
      } else {
        isBack = false;
      }
      next();
    },
    created() {
      this.isFirstEnter = true;
      // 只有第一次进入或者刷新页面后才会执行此钩子函数
      // 使用keep-alive后（2+次）进入不会再执行此钩子函数
      // this.getList();
      // console.log("加载");
    },
    activated() {
      if (!isBack || this.isFirstEnter) {
        this.page.pageindex = 1;
        this.search = "";
        this.order_type = "0";
        this.query(); //初始化搜索条件
      }
      this.isFirstEnter = false;
    },

    data() {
      return {
        isFirstEnter: false, // 是否第一次进入，默认false
      }
    }
  }