10-HarmonyOS5-TextProcessingEntity-Case

This article introduces how to use @kit.NaturalLanguageKit in HarmonyOS to extract email addresses from text. By creating a TextProcessingEntity component, users can input text containing email addresses, click a button to extract the email addresses, and finally display the extracted email addresses.

import { EntityType, textProcessing } from '@kit.NaturalLanguageKit';

@Entry @Component struct TextProcessingEntity { @State article: string = '电子邮件（EMAIL）：识别文本中的电子邮件地址,如“example@abc.com”'; @State email: string = ''

  build() { 
    Column({ space: 20 }) { 
      TextArea({ text: this.article }) 
        .height(200) 
      Text('电子邮箱：' + this.email) 
      Button('提取邮箱') 
        .onClick(async () => { 
          const results = await textProcessing.getEntity(this.article) 
          results.forEach(item => { 
            if (item.type === EntityType.EMAIL) { 
              this.email = item.text 
            } 
          }) 
        }) 
    } 
    .padding(15) 
    .height('100%') 
    .width('100%') 
  } 
}