uniapp底部导航配置

例子：

导航图标配置中，iconfont 优先于 iconPath

"tabBar": {
    "color": "#7A7E83",
    "iconWidth":"30rpx",
    "spacing":"20rpx",
    "selectedColor": "#ffaaff",
    "borderStyle": "black",
    "backgroundColor": "#ffffff",
    "list": [{
        "pagePath": "pages/index/index",
        "iconfont": {
            "text": "?",
            "color": "#7A7E83",
            "selectedText": "?",
            "selectedColor": "#ffaaff"
        },
        "iconPath": "static/image/icon_component.png",
        "selectedIconPath": "static/image/icon_component_HL.png",
        "text": "首页"
    },{
        "pagePath": "pages/search/search",
        "iconfont": {
            "text": "?",
            "color": "#7A7E83",
            "selectedText": "?",
            "selectedColor": "#ffaaff"
        },
        "iconPath": "static/image/icon_component.png",
        "selectedIconPath": "static/image/icon_component_HL.png",
        "text": "搜索"
    },{
        "pagePath": "pages/material/material",
        "iconfont": {
            "text": "?",
            "color": "#7A7E83",
            "selectedText": "?",
            "selectedColor": "#ffaaff"
        },
        "iconPath": "static/image/icon_component.png",
        "selectedIconPath": "static/image/icon_component_HL.png",
        "text": "资料"
    }, {
        "pagePath": "pages/my/my",
        "iconfont": {
            "text": "?",
            "color": "#7A7E83",
            "selectedText": "?",
            "selectedColor": "#ffaaff"
        },
        "iconPath": "static/image/icon_API.png",
        "selectedIconPath": "static/image/icon_API_HL.png",
        "text": "我的"
    }]
}