How to specify rootProperty for nested data if it is one level below?
问题 I am fetching nested data to be shown as nested list but whenever I tap on top level item, it again shows same top level list instead of showing children list and a ajax request is fired to fetch json data again. Here is the store: Ext.define('MyTabApp.store.CategoriesStore',{ extend:'Ext.data.TreeStore', config:{ model : 'MyTabApp.model.Category', autoLoad: false, storeId : 'categoriesStore', proxy: { type: 'ajax', url: 'resources/data/catTree.json', reader: { type: 'json', rootProperty: