test.js
var vm="321321"; export { vm };
------------------------------------------------------
export var name="李四";
a.vue
import {vm} from '@/test'
console.log(vm);
------------------------------------------------------
console.log(name);
test.js
var vm="321321"; export { vm };
------------------------------------------------------
export var name="李四";
a.vue
import {vm} from '@/test'
console.log(vm);
------------------------------------------------------
console.log(name);