#鸿蒙通关秘籍#如何实现角度渐变效果在组件中应用？

HarmonyOS

CSS琉璃月s

2024-12-04 13:31:07

浏览

回答 1

待解决

回答 1

按赞同

按时间

时光笔SCRM

可以利用sweepGradient接口为组件设置角度渐变效果。具体实现如下：

@Entry
@Component
struct SweepGradientDemo {
  build() {
    Grid() {
      GridItem() {
        Column() {
          Text('center: 50')
            .fontSize(15)
        }
        .width(100)
        .height(100)
        .justifyContent(FlexAlign.Center)
        .borderRadius(10)
        .sweepGradient({
          center: [50, 50],
          start: 0,
          end: 360,
          repeating: true,
          colors: [
            [0xf56c6c, 0],
            [0xffffff, 0.125],
            [0x409EFF, 0.25]
          ]
        })
      }

      GridItem() {
        Column() {
          Text('center: 0')
            .fontSize(15)
        }
        .width(100)
        .height(100)
        .justifyContent(FlexAlign.Center)
        .borderRadius(10)
        .sweepGradient({
          center: [0, 0],
          start: 0,
          end: 360,
          repeating: true,
          colors: [
            [0xf56c6c, 0],
            [0xffffff, 0.125],
            [0x409EFF, 0.25]
          ]
        })
      }

      GridItem() {
        Column() {
          Text('repeat: true')
            .fontSize(15)
        }
        .width(100)
        .height(100)
        .justifyContent(FlexAlign.Center)
        .borderRadius(10)
        .sweepGradient({
          center: [50, 50],
          start: 0,
          end: 360,
          repeating: true,
          colors: [
            [0xf56c6c, 0],
            [0xffffff, 0.125],
            [0x409EFF, 0.25]
          ]
        })
      }

      GridItem() {
        Column() {
          Text('repeat: false')
            .fontSize(15)
        }
        .width(100)
        .height(100)
        .justifyContent(FlexAlign.Center)
        .borderRadius(10)
        .sweepGradient({
          center: [50, 50],
          start: 0,
          end: 360,
          repeating: false,
          colors: [
            [0xf56c6c, 0],
            [0xffffff, 0.125],
            [0x409EFF, 0.25]
          ]
        })
      }
    }
    .columnsGap(10)
    .rowsGap(10)
    .columnsTemplate('1fr 1fr')
    .rowsTemplate('1fr 1fr 1fr')
    .width('100%')
    .height(437)
  }
}