Jasper_crosstab_measure_display a value of field in crosstab total row

1、create a measure

<measure name="myField" class="java.lang.String">
    <measureExpression><![CDATA[$F{myField}]]></measureExpression>
</measure>

2、add the measure $V{myField} to crosstab cell

<textField>
   <reportElement style="Crosstab Data Text" x="0" y="12" width="50" height="12" uuid="2a004def-c91d-40be-ba2a-fac8763fca7b"/>
   <textElement verticalAlignment="Middle">
      <font size="8"/>
      <paragraph lineSpacing="Single"/>
   </textElement>
    <textFieldExpression><![CDATA[$V{myField}]]></textFieldExpression>
</textField>