javascript - vue2.0 route passes parameters. The parameter received when jumping to the page is undefind, but it is obtained after refreshing. Why?

Question

This is an id parameter passed by the jump page

This is the page that receives parameters

This is the result of jumping to the past

This is the id obtained after refreshing

Answer 1

Put it in mounted and try it

Answer 2

This $route 和 $router 不是一个东西吧。。
一边都用 this.$route.push({ path: '/yourpath', query: {id: 123})
另外一边直接 console.log(this.$route.query.id)