return this.buildToolbar({                items: [                    { xtype: ‘monthfield‘, cId: ‘dfBeginDate‘, labelWidth: 40, width: 150, format: ‘Y-m‘, fieldLabel: ‘日期‘ },                    { xtype: ‘monthfield‘, cId: ‘dfEndDate‘, labelWidth: 20, width: 125, format: ‘Y-m‘, fieldLabel: ‘至‘ },                                      { cId: ‘btnSearch‘, text: "查询", operationName: ‘Search‘ }                ]            });

Ext.define(‘Ext.form.field.Month‘, {    extend: ‘Ext.form.field.Date‘,    alias: ‘widget.monthfield‘,    requires: [‘Ext.picker.Month‘],    alternateClassName: [‘Ext.form.MonthField‘, ‘Ext.form.Month‘],    selectMonth: null,    createPicker: function () {        var me = this,            format = Ext.String.format,            pickerConfig;        pickerConfig = {            pickerField: me,            ownerCmp: me,            renderTo: document.body,            floating: true,            hidden: true,            focusOnShow: true,            minDate: me.minValue,            maxDate: me.maxValue,            disabledDatesRE: me.disabledDatesRE,            disabledDatesText: me.disabledDatesText,            disabledDays: me.disabledDays,            disabledDaysText: me.disabledDaysText,            format: me.format,            showToday: me.showToday,            startDay: me.startDay,            minText: format(me.minText, me.formatDate(me.minValue)),            maxText: format(me.maxText, me.formatDate(me.maxValue)),            listeners: {                select: { scope: me, fn: me.onSelect },                monthdblclick: { scope: me, fn: me.onOKClick },                yeardblclick: { scope: me, fn: me.onOKClick },                OkClick: { scope: me, fn: me.onOKClick },                CancelClick: { scope: me, fn: me.onCancelClick }            },            keyNavConfig: {                esc: function () {                    me.collapse();                }            }        };        if (Ext.isChrome) {            me.originalCollapse = me.collapse;            pickerConfig.listeners.boxready = {                fn: function () {                    this.picker.el.on({                        mousedown: function () {                            this.collapse = Ext.emptyFn;                        },                        mouseup: function () {                            this.collapse = this.originalCollapse;                        },                        scope: this                    });                },                scope: me,                single: true            }        }        return Ext.create(‘Ext.picker.Month‘, pickerConfig);    },    onCancelClick: function () {        var me = this;        me.selectMonth = null;        me.collapse();    },    onOKClick: function () {        var me = this;        if (me.selectMonth) {            me.setValue(me.selectMonth);            me.fireEvent(‘select‘, me, me.selectMonth);        }        me.collapse();    },    onSelect: function (m, d) {        var me = this;        me.selectMonth = new Date((d[0] + 1) + ‘/1/‘ + d[1]);    }});