beego+vue父子组件通信（父子页面传值、父子组件传值、父子路由传值）

export default new Router({
  routes: [
    {
      path: '/',
      redirect: {
        name: '首页'
      },
      component: cmshome,//父组件
      children: [  
        { path: '/', component: cmsindex, name: 'cmsindex' },    
        { path: '/projects', component: projects, name: 'projects' },
        { path: '/project', component: projecthome,name: 'projecthome',//子组件
          children: [
            {path: '/project', component: project, name: 'project'}//孙组件
          ]
        },
      ]
    },

<router-view :tree-id="treeId"></router-view>

props:['treeId'],

      watch: {    // 如果 question 发生改变，这个函数就会运行
        treeId: function (newQuestion) {
          this.projproducts(this.currentPage);
        }
      },