EXTJS combo 控件: 1.先定义store //年款 var comboData_ReleasYear = [ ['], ['], ['], ['] ]; 2.定义combo控件 { layout: 'form', labelWidth: , width: , items: [{ xtype: 'combo', name: 'ReleasYear', allowBlank: false, fieldLabel: , store: new Ext.data.SimpleStore({ f…