导航栏就是最上面一层

这部分就是导航栏navigation-bar

导航栏相关API (opens new window)

设置导航栏title：wx.setNavigationBarTitle(Object object)

navigation-bar组件

<page-meta>
  <navigation-bar
    title="{{nbTitle}}"
    loading="{{nbLoading}}"
    front-color="{{nbFrontColor}}"
    background-color="{{nbBackgroundColor}}"
    color-animation-duration="2000"
    color-animation-timing-func="easeIn"
  />
</page-meta>

navigationBar 配置 (opens new window)

{
  "navigationBarBackgroundColor": "#ffffff",
  "navigationBarTextStyle": "black",
  "navigationBarTitleText": "微信接口功能演示",
  "backgroundColor": "#eeeeee",
  "backgroundTextStyle": "light"
}