{                        xtype: 'gridcolumn',                        text: '非正常项',                        dataIndex: 'UnusualItem',                        width: 60,                        hidden: me.extOptions.isUsual == 'Usual' ? true : false,                        editor: {                            xtype: 'combobox',                            alias: 'widget.xXYYZZ',                            //                labelAlign: 'right',                            itemId: 'UnusualItemId',                            triggerAction: 'all',                            store: new Ext.data.SimpleStore                                    ({                                        fields: ["val", "lab"],                                        data: [[0, '张三'], [1, '李四'], [2, '王五']]                                    }),                            mode: 'local',                            forceSelection: true,                            editable: false,                            valueField: 'val',                            displayField: 'lab',                            emptyText: '请选择',                            defaultListConfig: { loadMask: false }                        }