extjs 时间可选择时分

new Ext.form.DateTimeField({
id: 'SdDateField',
width: 130,
format: 'Y-m-d H:i',
editable: false,
value: SD,
listeners: {
'select': function (dp, newValue, oldValue) {
SD = Ext.getCmp('SdDateField').getValue();
store.baseParams.SD = SD;
store.reload({ params: { SD: SD, ED: ED, findValue: findValue} });
}
}
})