{
    columnWidth:.25,
    layout: 'form',
    baseCls: 'x-plain',
    labelSeparator: '：',
    items: [{
        xtype:'datefield',
        fieldLabel: '案卷时间',
        allowBlank:false,
        name: 'adate',
        format:'Y-m-d',
        anchor:'100%',
        listeners : {
            change : this.onFormatHandler.createDelegate(this)
        }
    }]
}