[{
    "id": "1",
    "title": "基本元素",
    "icon": "fa-cubes",
    "spread": true,
    "children": [{
        "id": "7",
        "title": "表格",
        "icon": "",
        "url": "test.html"
    }, {
        "id": "8",
        "title": "表单",
        "icon": "",
        "url": "form.html"
    }, {
        "id": "9",
        "title": "导航栏",
        "icon": "",
        "url": "nav.html"
    }, {
        "id": "10",
        "title": "列表四",
        "icon": "",
        "url": "list4.html"
    }, {
        "id": "11",
        "title": "百度一下",
        "icon": "",
        "url": "https://www.baidu.com"
    }]
}, {
    "id": "2",
    "title": "组件",
    "icon": "fa-cogs",
    "spread": false,
    "children": [{
        "id": "12",
        "title": "Navbar",
        "icon": "fa-table",
        "url": "navbar.html"
    }, {
        "id": "13",
        "title": "Tab",
        "icon": "",
        "url": "tab.html"
    }, {
        "id": "14",
        "title": "app.js主入口",
        "icon": "",
        "url": "app.html"
    }]
}, {
    "id": "4",
    "title": "地址本",
    "icon": "fa-address-book",
    "url": "",
    "spread": false,
    "children": [{
        "id": "17",
        "title": "Github",
        "icon": "fa-github",
        "url": "https://www.github.com/"
    }, {
        "id": "18",
        "title": "QQ",
        "icon": "fa-qq",
        "url": "http://www.qq.com/"
    }, {
        "id": "19",
        "title": "Fly社区",
        "icon": "",
        "url": "http://fly.layui.com/"
    }, {
        "id": "20",
        "title": "新浪微博",
        "icon": "fa-weibo",
        "url": "http://weibo.com/"
    }]
}, {
    "id": "5",
    "title": "这是一级导航",
    "icon": "fa-stop-circle",
    "url": "https://www.baidu.com",
    "spread": false
}, {
    "id": "6",
    "title": "其他",
    "icon": "fa-stop-circle",
    "url": "#",
    "spread": false,
    "children": [{
        "id": "21",
        "title": "子窗体中打开选项卡",
        "icon": "fa-github",
        "url": "cop.html"
    }]
}]