library/library_member/views/book_view.xml

<?xml version="1.0"?>
<odoo>
    <record id="view_form_book_extend" model="ir.ui.view">
        <field name="name">Book: add Is Available? field</field>
        <field name="model">library.book</field>
        <field name="inherit_id" ref="library_app.view_form_book" />
        <field name="arch" type="xml">
            <!--在字段之后添加字段-->
            <field name="isbn" position="after">
                <field name="is_available" />
            </field>
            <!--修改某个字段的属性（覆盖）-->
            <field name="date_published" position="attributes">
                <attribute name="autocomplete">off</attribute> <!--属性 autocomplete="off" 防止日期选择框被历史记录遮挡-->
            </field>
        </field>
    </record>
</odoo>