items : [{fieldLabel:'规则ID',name:'id',width:400} ,{fieldLabel:'业务',name:'title',width:400} ,{ layout:'column', width:400, items: [{ columnWidth:.5, layout: 'form', defaultType: 'numberfield', items:[ {name:'life',fieldLabel: '周期',xtype:'numberfield'} ] },{ columnWidth:.5, items:[ {name:'per',xtype:'combo',store:ds1,mode:'local',readOnly:true,triggerAction:'all',valueField:'value',displayField:'text',emptyText:'请选择'} ] }] }]
在这段代码执行过称中,column布局中嵌套form布局的fieldLabel(周期)不显示,求解!!!