Description of Requirement:
FIG follows: TopHeader assembly needs to acquire the menu name leftNav click menu, when leftNav click menu, the corresponding menu name displayed in the topHeader
Solution:
Means vuex, the solution the steps of:
1, the installation vuex, command [npm install vuex --save]
2, create a store: In [src] directory project under the New Folder New store [store] and [] [] index.js. Initialization state object. [CurrentMenu] variable is used to store the name of the menu currently displayed page.
3, registered in the [store] in main.js
4, leftNav assembly method defined click menu, and passed to the state store.js currentMenu object [] variable in the process parameters in the menu name
5, is introduced in the assembly topHeader] [currentMenu
