First, routing exclusive guard
If the home to guard path, the path is set in the home in router.js
Second, the global guard (guard all paths)
Applied to the whole route -> router in Router in mian.js, the first set so main.js
2, the global guard: beforeResolve (execution time (one layer are finished loading when things are resolved in the routing is completed))
Like with the form above router.beforeEach
3, router.afterEach () => {} executed when everything ok, no real sense, there is no argument
Routing resolution process:
https://router.vuejs.org/
to sum up:
