<router-link :to="{path:'/goldShop/goodsInfo',query: { id:item.id }}" class="swiperBG">

this.$router.push({
   path: '/goldShop/allGoods'
 })
 this.$router.push({
    path:`/goldShop/payInfo`,
    query:{id:this.id,num:this.num}//带参
  })
console.log(this.$route.query.id);//取值