EXT3.1 combobox下拉框无法显示解决方案
{ fieldLabel: '政治面貌', name: 'political', xtype: 'combo', store: new Ext.data.SimpleStore({ fields: ['text'], data: [['群众'],['党员'],['团员']] }), emptyText: '请选择', mode: 'local', triggerAction: 'all', valueField: 'text', displayField: 'text', editable:false }