lovcombo使用注意

 

注意要加上

Ext.override(Ext.ux.form.LovCombo, {
    beforeBlur: Ext.emptyFn
});

var comboSG = new Ext.ux.form.LovCombo({
            fieldLabel: '选择安全组',
            hiddenName:'virtualMachine.securityGroupIds',
            editable : false,
            store: new Ext.data.JsonStore({
                fields: ['id', 'name'],
                url: 'resource/cs/listSecurityGroups.action',
                root: 'data'
            }),
            valueField: 'id',
            displayField: 'name',
            mode: 'remote',
            triggerAction: 'all',
            allowBlank: false,
            autoScroll: true,
            hideOnSelect:false
        });