一、纸张格式设置：

<record id="paperformat_frenchcheck" model="report.paperformat">
    <field name="name">French Bank Check</field>
    <field name="default" eval="True"/>
    <field name="format">custom</field>
    <field name="page_height">80</field>
    <field name="page_width">175</field>
    <field name="orientation">Portrait</field>
    <field name="margin_top">3</field>
    <field name="margin_bottom">3</field>
    <field name="margin_left">3</field>
    <field name="margin_right">3</field>
    <field name="header_line" eval="False"/>
    <field name="header_spacing">3</field>
    <field name="dpi">80</field>
</record>


二、菜单按钮：

<report
    id="account_invoices"
    model="account.invoice"
    string="Invoices"
    report_type="qweb-pdf"
    name="account.report_invoice"
    file="account.report_invoice"
    attachment_use="True"
    attachment="(object.state in ('open','paid')) and
        ('INV'+(object.number or '').replace('/','')+'.pdf')"
/>

三、Barcodes

<img t-att-src="'/report/barcode/QR/%s' % 'My text in qr code'"/>

<img t-att-src="'/report/barcode/?type=%s&value=%s&width=%s&height=%s'%('QR', 'text', 200, 200)"/>  二维码