ext combo编辑时绑定默认的多个数据


                    xtype: 'combo',
                    tpl: '<tpl for="."><div ext:qtip="{DName}" class="x-combo-list-item">{DRIVER_NAME}</div></tpl>',
                    fieldLabel: '&nbsp;&nbsp;驾驶员名称<font color="red">*</font>',
                    id: 'cdriverid',
                    name: 'DriverNameList',
                    hiddenName: 'DriverNameList',
                    forceSelection: true,
                    store: AddDriverStore,
                    displayField: 'DRIVER_NAME',
                    valueField: 'DRIVER_ID',
                    onSelect: function (record, index) {
                        if (this.fireEvent('beforeselect', this, record, index) !== false) {
                            record.set('check', !record.get('check'));
                            var str = []; 
                            var strvalue = []; 
                            this.store.each(function (rc) {
                                if (rc.get('check')) {
                                    str.push(rc.get('DRIVER_NAME'));
                                    strvalue.push(rc.get('DRIVER_ID'));
                                }
                            });
                            //alert(this.store.getAt(index).get("DRIVER_ID"));
                            this.setValue(str.join());
                            this.value = strvalue.join();
                            Ext.getCmp('selectDriver').setValue(strvalue.join());
                            this.fireEvent('select', this, record, index);
                        }
                    }var vehicleEditWin = new Ext.Window({
        layout: 'fit',
        width: 660,
        modal: 'true',
        title: '编辑车辆',
        items: AddVehicleForm,
        listeners: {
            "show": function () {
                AddVehicleForm.getForm().reset();
                AddVehicleForm.getForm().loadRecord(row[0]);                var driverIdList = row[0].data.DRIVERID;
                var arrTemp = new Array();
                var dirverCombo = Ext.getCmp('cdriverid');
                var store = dirverCombo.getStore();
                if (driverIdList != "" && driverIdList.substr(0, 1) == ",") {
                    driverIdList = driverIdList.substr(1, driverIdList.length - 1);
                }
                var idList = driverIdList.split(',');
                var str = []; 
                var strvalue = []; 
                for (var i = 0; i < idList.length; i++) {
                    store.each(function (rc) {
                        if (rc.get('DRIVER_ID') == idlist[i]) {
                            rc.set('check', !rc.get('check'));
                        }
                        if (rc.get('check')) {
                            str.push(rc.get('DRIVER_NAME'));
                            strvalue.push(rc.get('DRIVER_ID'));
                        }
                    });
                }                dirverCombo.setValue(str.join());
                dirverCombo.value = strvalue.join();
                Ext.getCmp('selectDriver').setValue(driverIdList);            }
        }
    })
    vehicleEditWin.show();
如题,代码已贴,这是编辑也面,要实现下拉列表选中多个默认值,ExtJScombo选中多个默认值