HarmonyOS 鸿蒙Next 请问Image的图片地址可以使用三元表达式吗

HarmonyOS 鸿蒙Next 请问Image的图片地址可以使用三元表达式吗

interface Comment {
  img: string,
  name: string,
  grade: string,
  content: string,
  isClick: boolean,
  time: string,
}

@Entry
@Component
struct Demo {
  @State commentList: Comment[] = [
    {
      img: "demo/background.png",
      name: '张三',
      grade: 'demo/level_1.png',
      content: '今天天气不错',
      isClick: false,
      time: '2021-01-01',
    },
  ];
  build() {
    Column(){
      Column(){
        List(){
          ForEach(this.commentList, (item:Comment, index) => {
            ListItem(){
              Flex(){
                Image($rawfile(`${item.img}`))
                  .width(20)
                  .borderRadius(20)
                  .margin({
                    top: 10
                  })
                Column(){
                  Flex({
                    alignItems: ItemAlign.Center
                  }){
                    Text(`${item.name}`)
                    Image($rawfile(`${item.grade}`))
                      .width(30)
                  }
                  Text(`${item.content}`)
                  Flex({
                    justifyContent: FlexAlign.SpaceBetween
                  }){
                    Text(`${item.time}`)
                    Image($rawfile(item.isClick?'demo/like_bottom_select.png':'demo/like_bottom_unselect.png'))
                      .onClick(()=>{
                        this.commentList[index].isClick = !this.commentList[index].isClick
                      })
                      .width(20)
                  }
                }
                .margin({
                  left: 10
                })
                .height(100)
                .alignItems(HorizontalAlign.Start)
                .justifyContent(FlexAlign.SpaceAround)
              }
            }
          })
        }
          .listDirection(Axis.Vertical)
      }
        .width('100%')
        .height('100%')
        .justifyContent(FlexAlign.Start)
    }
      .height('100%')
  }
}