是Ext JS社区的新成员。在这里，我想将更改事件应用于子组件“ textfield”。 我已经在控制器中指定了“ onChangeSealNumber”功能。但这并没有被解雇。 有人可以帮我吗？

我尝试了许多方法，但是，如果我在更改时传递匿名函数，它将起作用。但是，当我们明确指定为“ onChangeSealNumber”时，它将无法正常工作。

查看文件

/**
 * Search Form Panel View.
 * @class 'BulkTransaction.view.searchfrom.SearchForm'
 */

Ext.define('BulkTransaction.view.searchform.SearchForm',{

  extend: 'Ext.container.Container',requires: [
    'Common.view.widget.RepeatingWidgetGroup','BulkTransaction.view.storagelocation.Storagelocation','BulkTransaction.view.searchform.SearchFormController',],alias: 'widget.searchform',controller: 'searchformcontroller',items: [
    {
      xtype: 'basepanel',width: '100%',reference: 'searchform',header: false,items: [
        {
          width: '100%',xtype: 'connect-repeating-widget-group',bind: {
            store: '{topSealNumbers}'
          },bindReference: 'topSealNumbers',widgetconfig: {
            xtype: 'textfield',fieldLabel: BulkTransaction.util.Constants.searchForm.topSealNumbers,allowBlank: false,bind: '{topSealNumbers.searchCriteria}',cls: 'seal-number-field',listeners: {
              change: 'onChangeSealNumber'
            }
          }
        }
      ]
    }
  ]
});

控制文件

/** 
 * Controller containing the methods implementing functionality 
 * related to search form
*/
Ext.define('BulkTransaction.view.searchform.SearchFormController',{
  extend: 'Ext.app.ViewController',alias: 'controller.searchformcontroller',init: function () {
      const me = this;
      const viewModel = me.getViewModel();
      viewModel.bind({
        bindTo: '{topSealNumbers}',deep: true
      },me.onSearchCriteriaChange,me);
  },/**
   * Handle change to the sealnumber details
   * @private
   */
  onSearchCriteriaChange: function (store) {
    const me = this;
    let searchCriteriaRecords;
    searchCriteriaRecords = store.queryBy(rec =>{
      if (!Ext.isEmpty(rec.get('searchCriteria').trim())) {
        return rec;
      }
    });

    this.fireEvent('toggleSearchButton',searchCriteriaRecords.length > 0);

  },onChangeSealNumber(elm) {
    const me = this,view = me.getView();
  }

});