router---mode

One, hash mode

The default mode is hash modePrinciple: window.onhashchange eventIt is not the real page address, but is passed to the single-page file in the form of parameters. Just make sure that the file path of index.html is real.

Second, history mode

new Router({mode: 'history',routes: []})Principle: window.history.pushState completes URL jumping, this mode requires back-end support, because custom paths such as http://xxx/ are not available in single-page applicationsBack-end support mode 1:The server needs to add candidate resources for all cases so that they all return the same index.html fileBack-end support mode 2:Add a simple fallback route on the server, if the URL does not match any static resources, serve the index.html file