BI.createWidget({
    type: 'bi.horizontal',
    element: "#wrapper",
    items: [{
        type: "bi.text_button",
        cls: "layout-bg1",
        text: "这里设置了lgap,rgap,tgap,bgap",
        height: 30,
        width: 200
    }, {
        type: "bi.text_button",
        cls: "layout-bg2",
        text: "这里设置了lgap,rgap,tgap,bgap",
        height: 30,
        width: 200
    }]
});