开发喵星球

在开启TopNav时需要点击主菜单时，想默认跳转到第一个子菜单可以在handleSelect事件处理。

// 菜单选择事件
handleSelect(key, keyPath) {
  this.currentIndex = key;
  if (this.ishttp(key)) {
    // http(s):// 路径新窗口打开
    window.open(key, "_blank");
  } else if (key.indexOf("/redirect") !== -1) {
    // /redirect 路径内部打开
    this.router.push({ path: key.replace("/redirect", "") });
  } else {
    // 显示左侧联动菜单
    this.activeRoutes(key);

    let myRoutes = [];
    if (this.childrenMenus && this.childrenMenus.length>0) {
      this.childrenMenus.map((item) => {
        if (key == item.parentPath || (key == "index" && "" == item.path)) {
          myRoutes.push(item);
        }
      });
    }
    setTimeout(() => {
      if(myRoutes[0].path != this.route.path) {
        this.router.replace({
          path: myRoutes[0].path
        })
      } else {
        this.router.replace({
          path: '/index'
        })
      }
    }, 100)
  }
},