EXTJS 4.2 资料 控件之textfield文本框加事件的用法

{ xtype: "textfield", width: 100, id: "txtGroupName", name: "txtGroupName", listeners: { change: function (t, newV, oldV, eOpts) { alert(newV); } } }

 

转载于:https://www.cnblogs.com/foreverfendou/p/4278594.html