多选下拉框
var workname = new Ext.form.MultiSelect({ store: pointComboBoxStore, fieldLabel: '工作面', labelStyle: 'text-align:right', displayField: 'wz', valueField: 'Point', 280, editable: false, mode: 'local', allowBlank: false, emptyText: '--选择工作面--', triggerAction: 'all', listeners: {// select监听函数 'select': function (combo, record, index) { } } });