EmberJS 模板操作冒泡
描述
路由和控制器的操作处理程序必须放在一个操作哈希中。如果路由方法和动作具有相同的名称,那么除非它在操作散列中,否则不会触发操作。您必须在操作哈希中放置操作处理方法。
语句
Ember.Route.extend({ actions: { FunctionName: function() { //use the controller.set method this.controller.set('isExpanded', true); } } });
例子
<!DOCTYPE html> <html> <head> <title>Emberjs Action Bubbling</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/x-handlebars" data-template-name="index"> <!-- invoking the actions 'User' function for Click Here button --> <button {{action "User"}}>Click Here</button> <!-- triggering isExpanded value --> <br/> {{isExpanded}} </script> <script type="text/javascript"> App = Ember.Application.create() App.IndexRoute = Ember.Route.extend({ actions: { User: function(user) { //controller.set is for the Action Bubbling this.controller.set('isExpanded', 'Welcome.. To Tutorialspoint'); } } }); </script> </body> </html>
输出
让我们执行以下步骤,看看上面的代码如何工作:
将上面的代码保存在temp_act_bublng.html文件中
在浏览器中打开此HTML文件。