How to jump to a new page via router-link or button

<template>
  <div>
    This is the product list page
    <router-link to='/goods/title'>Show product title</router-link>
    <router-link to='/goods/image'>Show product pictures</router-link>
    // Jump to the shopping cart page    <router-link to='/cart'>Jump to the shopping cart page</router-link>
     <button @click="jump">Button-Jump to the shopping cart page</button>
    <div>
        <router-view></router-view>
    </div>
  </div>
</template>

<script>
export default {
  data(){
    return{
      msg: ''
    }
  },
  methods: {
    jump(){
    //this.$("/cart")
    //The passed parameters are obtained using {{ $}}    this.$({path: '/cart?goodsId=12'})
    //this.$(-2)
    //Two steps back    }
  }
}
</script>
 
<style>
</style>

import Vue from 'vue'
import Router from 'vue-router'
import GoodsList from '@/views/GoodsList'
import Title from '@/views/Title'
import Image from '@/views/Image'
// 2. Import the Cart componentimport Cart from '@/views/Cart'
 
(Router)
 
export default new Router({
  mode: 'history',
  routes: [
    {
          path: '/goods',
          name: 'GoodsList',
          component: GoodsList,
          children: [
              {
                    path: 'title',
                  name: 'title',
                  component:Title    
              },
 
              {
                    path: 'image',
                  name: 'image',
                  component:Image    
              }
          ]
    },
    // 1. Write to the shopping cart component    {
        path: '/cart',
          component: Cart,
    }
  ]
})

<router-link :to="{ path: '/a/b' }"
       // tag="button"  //As a button, you have to write the style yourself. It is inconvenient, please choose the second method          >View current ranking</router-link
        > 

<el-button type="primary" icon="el-icon-search" @click="querySort"
          >View current ranking</el-button
        >
querySort(){
this.$({ path: "/a/b" });
}

<a :href="exportDistrict" rel="external nofollow"  class="filter-item el-button el-button--success"
          >Export the game server</a
        >
     data() { return{   exportDistrict: "/a/b",}}

if ( === 1002) {
        //Unauthentic processing        loadPage("/error");
        return;
      }
      
// Jump, redirectconst loadPage = (url, reject) => {
  if (reject) {
    return reject(url);
  }
  window.$$vm.$(url);
};

window.$$vm = new Vue({
  el: '#app',
  router,
  store,
  render: h => h(App)
})