layout设置面包屑

<referenceBlock name="breadcrumbs">
            <action method="addCrumb">
                <argument name="crumbName" xsi:type="string">Home</argument>
                <argument name="crumbInfo" xsi:type="array">
                    <item name="title" xsi:type="string" translate="true">Home</item>
                    <item name="label" xsi:type="string" translate="true">Home</item>
                    <item name="link" xsi:type="string">/</item>
                </argument>
            </action>
            <action method="addCrumb">
                <argument name="crumbName" xsi:type="string">Shopping Cart</argument>
                <argument name="crumbInfo" xsi:type="array">
                    <item name="title" xsi:type="string" translate="true">Shopping Cart</item>
                    <item name="label" xsi:type="string" translate="true">Shopping Cart</item>
                </argument>
            </action>
        </referenceBlock>