promise在轉(zhuǎn)換期間拒絕,轉(zhuǎn)換將被中止,并且不顯示新的目標(biāo)路由模板,并顯示錯誤消息。
Ember.Route.extend({ model: function() { return Ember.RSVP.reject("Failure Message"); }, actions: { error: function(reason) { // display or return the "Failure Message" } } });
<!DOCTYPE html> <html> <head> <title>Emberjs When Promises Reject</title> <!-- CDN's --> <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/3.0.1/handlebars.min.js"></script> <script src="https://code.jquery.com/jquery-2.1.3.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.10.0/ember.min.js"></script> <script src="https://builds.emberjs.com/tags/v1.10.0-beta.3/ember-template-compiler.js"></script> <script src="https://builds.emberjs.com/release/ember.debug.js"></script> <script src="https://builds.emberjs.com/beta/ember-data.js"></script> </head> <body> <script type="text/x-handlebars"> {{outlet}} </script> <script type="text/javascript"> App = Ember.Application.create(); App.IndexRoute = Ember.Route.extend({ model: function() { //RSVP.js is an implementation of Promises return Ember.RSVP.reject("Failure Of promises"); }, actions: { //actions for displaying failure of promises using error hook and it takes reason as parameter error: function(reason) { document.write("<h3>"+reason+"</h3>"); } } }); </script> </body> </html>
讓我們執(zhí)行以下步驟,看看上面的代碼如何工作:
將上面的代碼保存在routing_flr_prom.html文件中
在瀏覽器中打開此HTML文件。
更多建議: