BI.createWidget({
    type: 'demo.vertical',
    element: "#wrapper",
    items: [{
        type: "bi.label",
        cls: "layout-bg1",
        text: "这里设置了hgap(水平间距)，vgap(垂直间距)",
        height: 30
    }, {
        type: "bi.label",
        cls: "layout-bg2",
        text: "这里设置了hgap(水平间距)，vgap(垂直间距)",
        height: 30
    }]
});