问题
In Angular2 I want to be able to navigate directly to a route and be able to hit back (in the browser) once to go to the last page that I was on.
If you first go to any website (I used google.com), then put this plnkr in your browser bar: http://run.plnkr.co/9D5IDnHv0UkUFM82/. If you hit the browser's back button, instead of taking you to the previous page, it keeps you on the plnkr until you hit back again.
I believe this is because although I navigated directly to the "home" route, when I hit http://run.plnkr.co/9D5IDnHv0UkUFM82/ (note that i set my base url to /9D5IDnHv0UkUFM82/) it routes me to the home url even though I am already there.
This problem also occurs in the Angular2 Tutorial app here: https://angular.io/resources/live-examples/toh-5/ts/plnkr.html
Notice when the route loads, there is an extra entry in your browser's history. You can hit "back" on your browser and it will stay on the plnkr until you hit "back" again. This is not an artifact caused by plnkr. This occurs on my local angular2 setup as well.
回答1:
This is a known issue
See also
- https://github.com/angular/angular/issues/5025
There is already a pull request
- https://github.com/angular/angular/pull/6069
来源：https://stackoverflow.com/questions/36025032/angular2-router-causes-extra-browser-history-entry