For example,
Like the below function,easily set the invisible function in ~addons/hr/views/*.xml
<field name="resign_date" attrs="{'invisible':[('resign_date', '=', '9000-12-31')]}"/>
but how to set the specific field to invisible in printed report in ~addons/hr/report/*.xml
<tr t-foreach="docs" t-as="l">
<td>
<span t-field="l.resign_date"/>
</td>
</tr>