在骨干路由器上实例化视图？

Question

任何人都可以帮我理解这个错误吗？ TIA

  

TypeError：AppView不是构造函数[Break On This Error] var   apView = new AppView（）;

define([
    'jquery',
   'backbone',
   'collections/Directory',
   'views/app',
   'common'
   ]   , function( $, Backbone, DirectoryCollection,AppView , Common ) {

var Workspace = Backbone.Router.extend({
    routes:{            
        "filter/:type": "urlFilter"
    },      

urlFilter: function (type) {            
        var apView = new AppView();
        apView.filterType = type;
        apView.trigger("change:filterType");          
    },

});
return Workspace;

});

Answer 1

AppView是在范围内还是附加到窗口对象，以及扩展Backbone.View？