vue 打包App 监听物理按钮返回

// 安卓后退键
this.$mui.plusReady(() => {
  var backcount = 0;
  this.$mui.back = () => {
    let path = this.$route.path;
    console.log("path:" + path);

    if (this.arrTab.includes(path)) {
      // 主导航页
      if (this.$mui.os.ios) return;
      if (backcount > 0) {
        if (window.plus) plus.runtime.quit();
        return;
      }
      this.$toast("再点击一次退出应用!");
      backcount++;
      setTimeout(() => {
        backcount = 0;
      }, 2000);
    } else {
      // 子页面
      console.log("子页面后退键");
      this.$router.go(-1);
    }
  };
});