javascript - About communication between vue components

Question

Now I want to pass the variables in a vue to another vue file for calling. How to do

Answer 1

1. Father to son: props

2. From son to father: Custom event emit

3. Brother components: event bus or vuex

4. Of course, parameters in routing may also be used

Answer 2

Vuex or event bus

Answer 3

First of all, you need to understand the relationship between these two components. Then make a choice. The answer on the first floor is enough. For the specific situation, I will give you a portal, a portal