BI.createWidget({
    type: "bi.vertical_adapt",
    element: "#wrapper",
    vgap: 10,
    items: [{
        type: "bi.label",
        text: "Vertical Adapt上下自适应",
        cls: "layout-bg1",
        width: 300,
        height: 30
    }, {
        type: "bi.label",
        text: "Vertical Adapt上下自适应",
        cls: "layout-bg2",
        width: 300,
        height: 30
    }]
})