14.组件间的通讯
<h4>app级别的数据共享</h4>
<pre><code>AppStorage.SetOrCreate('token', 'xxxx')
export default class EntryAbility extends UIAbilty{
...
}</code></pre>
<pre><code>let token: string = AppStorage.Get('token')
@Entry
@Compontent
struct MainActivity{
...
}</code></pre>