1@Entry
2@Component
3struct Index {
4  @State message: string = 'Hello World'
5
6  build() {
7    Row() {
8      Column() {
9        Text(this.message)
10          .fontSize(50)
11          .fontWeight(FontWeight.Bold)
12      }
13      .width('100%')
14    }
15    .height('100%')
16  }
17}