HarmonyOS 鸿蒙Next TextPicker 每一行的文字可以设置展示几行吗

[@Entry](/user/Entry)
[@Component](/user/Component)
struct Index {
@State currentIndex:number = 0
@State menuList: ESObject[] = [
{value1: ‘aaaaaaaaaaaaaa-1’,value2: ‘aa-2’},
{value1: ‘bb-1’,value2: ‘bb-2’},
{value1: ‘cc-1’,value2: ‘cc-2’},
{value1: ‘dd-1’,value2: ‘dd-2’},
{value1: ‘aa-1’,value2: ‘aa-2’},
{value1: ‘bb-1’,value2: ‘bb-2’},
{value1: ‘cc-1’,value2: ‘cc-2’},
{value1: ‘dd-1’,value2: ‘dd-2’},
{value1: ‘aa-1’,value2: ‘aa-2’},
{value1: ‘bb-1’,value2: ‘bb-2’},
{value1: ‘cc-1’,value2: ‘cc-2’},
{value1: ‘dd-1’,value2: ‘dd-2’}
]
lastNum = 0
scroller: Scroller = new Scroller()
@Builder
MyMenu() {
Column(){
Scroll(this.scroller) {
Column(){
ForEach(this.menuList,(item:ESObject,index:number)=>{
Row(){
Text(item.value1)
.opacity(this.currentIndex === index?1:0.5)
}
.onClick(()=>{
this.currentIndex = index
this.scroller.scrollTo({yOffset:index * 50,xOffset:0})
console.info(“进入点击”)
})
.alignItems(VerticalAlign.Center)
.justifyContent(FlexAlign.Center)
.padding(5)
.height(50)
.width(100)
})
}
}
.onScrollStop(()=>{
const yOffset: number = this.scroller.currentOffset().yOffset;
this.currentIndex = Math.round(yOffset / 50)
this.scroller.scrollTo({yOffset:this.currentIndex * 50,xOffset:0})
})
.scrollBar(BarState.Off)
.clip(false)
.width(100)
.height(50)
}
.gesture(
PanGesture(new PanGestureOptions({direction:PanDirection.Vertical}))
.onActionStart(()=>{
this.lastNum = 0
})
.onActionUpdate((event: GestureEvent) => {
let nowNumber = this.lastNum - event.offsetY
this.lastNum = event.offsetY
this.scroller.scrollBy(0 , nowNumber)
})
.onActionEnd((event: GestureEvent) => {
const yOffset: number = this.scroller.currentOffset().yOffset;
this.currentIndex = Math.round(yOffset / 50)
this.scroller.scrollTo({yOffset:this.currentIndex * 50,xOffset:0})
})
)
.justifyContent(FlexAlign.Center)
.height(300)
.clip(true)
}
build() {
Column() {
this.MyMenu()
}
.width(‘100%’)
.height(“100%”)
}
}