InputVerify.ets 570 字节
@Component
struct InputVerify{
  @Link textValue: string
  @Prop errorInfo: string
  build() {
    Row(){
      Row(){
        Image($r('app.media.require')).width(20)
        Text('姓名')
      }.width(80)
      TextInput({placeholder: '请输入姓名', text: this.textValue})
        .backgroundColor('#fff').layoutWeight(1)
        .showError(this.errorInfo).onChange(() => {
          if(this.textValue.length == 0) {
           this.errorInfo = '此处不能为空'
          } else {

          }
      })
    }.border({width: {bottom: 1}, color: '#eee'})
  }
}