Text

顯示一段文本的組件。

說明：
開發(fā)前請(qǐng)熟悉鴻蒙開發(fā)指導(dǎo)文檔 ：[gitee.com/li-shizhen-skin/harmony-os/blob/master/README.md]
該組件從API Version 7開始支持。后續(xù)版本如有新增內(nèi)容，則采用上角標(biāo)單獨(dú)標(biāo)記該內(nèi)容的起始版本。

子組件

可以包含[Span]和[ImageSpan]子組件。

接口

Text(content?: string | Resource)

從API version 9開始，該接口支持在ArkTS卡片中使用。

參數(shù)：

屬性

除支持[通用屬性]和[文本通用屬性]外，還支持以下屬性：

說明：
HarmonyOS與OpenHarmony鴻蒙文檔籽料：mau123789是v直接拿

不支持Text內(nèi)同時(shí)存在文本內(nèi)容和Span或ImageSpan子組件。如果同時(shí)存在，只顯示Span或ImageSpan內(nèi)的內(nèi)容。

通用屬性中形狀裁剪[clip]屬性，在Text默認(rèn)值為true。

事件

支持[通用事件]

示例

示例1

// xxx.ets
@Entry
@Component
struct TextExample1 {
  build() {
    Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Start, justifyContent: FlexAlign.SpaceBetween }) {
      // 文本水平方向?qū)R方式設(shè)置
      // 單行文本
      Text('textAlign').fontSize(9).fontColor(0xCCCCCC)
      Text('TextAlign set to Center.')
        .textAlign(TextAlign.Center)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      Text('TextAlign set to Start.')
        .textAlign(TextAlign.Start)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      Text('TextAlign set to End.')
        .textAlign(TextAlign.End)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')

      // 多行文本
      Text('This is the text content with textAlign set to Center.')
        .textAlign(TextAlign.Center)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      Text('This is the text content with textAlign set to Start.')
        .textAlign(TextAlign.Start)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      Text('This is the text content with textAlign set to End.')
        .textAlign(TextAlign.End)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')


      // 文本超長(zhǎng)時(shí)顯示方式
      Text('TextOverflow+maxLines').fontSize(9).fontColor(0xCCCCCC)
      // 超出maxLines截?cái)鄡?nèi)容展示
      Text('This is the setting of textOverflow to Clip text content This is the setting of textOverflow to None text content. This is the setting of textOverflow to Clip text content This is the setting of textOverflow to None text content.')
        .textOverflow({ overflow: TextOverflow.Clip })
        .maxLines(1)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)

      // 超出maxLines展示省略號(hào)
      Text('This is set textOverflow to Ellipsis text content This is set textOverflow to Ellipsis text content.'.split('')
        .join('u200B'))
        .textOverflow({ overflow: TextOverflow.Ellipsis })
        .maxLines(1)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)

      Text('lineHeight').fontSize(9).fontColor(0xCCCCCC)
      Text('This is the text with the line height set. This is the text with the line height set.')
        .fontSize(12).border({ width: 1 }).padding(10)
      Text('This is the text with the line height set. This is the text with the line height set.')
        .fontSize(12).border({ width: 1 }).padding(10)
        .lineHeight(20)
    }.height(600).width(350).padding({ left: 35, right: 35, top: 35 })
  }
}

示例2

@Entry
@Component
struct TextExample2 {
  build() {
    Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Start, justifyContent: FlexAlign.SpaceBetween }) {
      Text('decoration').fontSize(9).fontColor(0xCCCCCC)
      Text('This is the text content with the decoration set to LineThrough and the color set to Red.')
        .decoration({
          type: TextDecorationType.LineThrough,
          color: Color.Red
        })
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')


      Text('This is the text content with the decoration set to Overline and the color set to Red.')
        .decoration({
          type: TextDecorationType.Overline,
          color: Color.Red
        })
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')


      Text('This is the text content with the decoration set to Underline and the color set to Red.')
        .decoration({
          type: TextDecorationType.Underline,
          color: Color.Red
        })
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')

      // 文本基線偏移
      Text('baselineOffset').fontSize(9).fontColor(0xCCCCCC)
      Text('This is the text content with baselineOffset 0.')
        .baselineOffset(0)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      Text('This is the text content with baselineOffset 30.')
        .baselineOffset(30)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      Text('This is the text content with baselineOffset -20.')
        .baselineOffset(-20)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')

      // 文本字符間距
      Text('letterSpacing').fontSize(9).fontColor(0xCCCCCC)
      Text('This is the text content with letterSpacing 0.')
        .letterSpacing(0)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      Text('This is the text content with letterSpacing 3.')
        .letterSpacing(3)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      Text('This is the text content with letterSpacing -1.')
        .letterSpacing(-1)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')

      Text('textCase').fontSize(9).fontColor(0xCCCCCC)
      Text('This is the text content with textCase set to Normal.')
        .textCase(TextCase.Normal)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      // 文本全小寫展示
      Text('This is the text content with textCase set to LowerCase.')
        .textCase(TextCase.LowerCase)
        .fontSize(12)
        .border({ width: 1 })
        .padding(10)
        .width('100%')
      // 文本全大寫展示
      Text('This is the text content with textCase set to UpperCase.')
        .textCase(TextCase.UpperCase)
        .fontSize(12).border({ width: 1 }).padding(10)

    }.height(700).width(350).padding({ left: 35, right: 35, top: 35 })
  }
}

示例3

textShadow，heightAdaptivePolicy，TextOverflow.MARQUEE使用示例：

@Entry
@Component
struct TextExample {
  build() {
    Column({ space: 8 }) {
      Text('textShadow').fontSize(9).fontColor(0xCCCCCC).margin(15).width('90%')
      // 設(shè)置文字陰影效果
      Text('textShadow')
        .width('80%')
        .height(55)
        .fontSize(40)
        .lineHeight(55)
        .textAlign(TextAlign.Center)
        .textShadow({ radius: 10, color: Color.Black, offsetX: 0, offsetY: 0 })
        .borderWidth(1)
      Divider()
      // 設(shè)置文本自適應(yīng)高度的方式
      Text('heightAdaptivePolicy').fontSize(9).fontColor(0xCCCCCC).margin(15).width('90%')
      Text('This is the text with the height adaptive policy set')
        .width('80%')
        .height(90)
        .borderWidth(1)
        .minFontSize(10)
        .maxFontSize(30)
        .maxLines(3)
        .textOverflow({ overflow: TextOverflow.Ellipsis })
        .heightAdaptivePolicy(TextHeightAdaptivePolicy.MAX_LINES_FIRST)
      Text('This is the text with the height adaptive policy set')
        .width('80%')
        .height(90)
        .borderWidth(1)
        .minFontSize(10)
        .maxFontSize(30)
        .maxLines(3)
        .textOverflow({ overflow: TextOverflow.Ellipsis })
        .heightAdaptivePolicy(TextHeightAdaptivePolicy.MIN_FONT_SIZE_FIRST)
      Text('This is the text with the height adaptive policy set')
        .width('80%')
        .height(90)
        .borderWidth(1)
        .minFontSize(10)
        .maxFontSize(30)
        .maxLines(3)
        .textOverflow({ overflow: TextOverflow.Ellipsis })
        .heightAdaptivePolicy(TextHeightAdaptivePolicy.LAYOUT_CONSTRAINT_FIRST)
      Divider()
      Text('marquee').fontSize(9).fontColor(0xCCCCCC).margin(15).width('90%')
      // 設(shè)置文本超長(zhǎng)時(shí)以跑馬燈的方式展示
      Text('This is the text with the text overflow set marquee')
        .width(300)
        .borderWidth(1)
        .textOverflow({ overflow: TextOverflow.MARQUEE })
    }
  }
}

審核編輯 黃宇