BI.createWidget({
    type: 'bi.horizontal',
    element: "#wrapper",
    items: [{
        type: "bi.absolute",
        items: [{
            el: {
                type: "bi.text_button",
                cls: "layout-bg1",
                text: "这里设置了lgap,rgap,tgap,bgap",
                height: 30
            },
            left: 0,
            right: 0
        }],
        width: 100,
        height: 30
    }, {
        type: "bi.absolute",
        items: [{
            el: {
                type: "bi.text_button",
                cls: "layout-bg2",
                text: "这里设置了lgap,rgap,tgap,bgap",
                height: 30
            },
            left: 0,
            right: 0
        }],
        width: 200,
        height: 30
    }]
});