https://www.searscommerceservices.com/question/xml-how-do-i-download-inventory-levels/
Sears库存包括：已有库存（On-Hand Inventory），保留数量（reserved Inventory），可销售库存（Available Inventory）
全局XML:
https://seller.marketplace.sears.com/SellerPortal/api/inventory/v5?email={emailaddres}&password={password}
基于产品id（Sears的）
https://seller.marketplace.sears.com/SellerPortal/api/inventory/v5?itemIds={itemids}&email={emailaddress}&password={password}
基于货物仓位（ location id:）
https://seller.marketplace.sears.com/SellerPortal/api/inventory/v5?locationId={locationid}&email={emailaddress}&password={password}
基于id和仓位：
https://seller.marketplace.sears.com/SellerPortal/api/inventory/v5?itemIds={itemids}&locationId={locationid}&email={emailaddress}&password={password}
xml定义文件和demo
XSD: https://seller.marketplace.sears.com/SellerPortal/s/schema/rest/inventory/export/v5/item-inventory-public.xsd?view=markup
Sample XML: https://seller.marketplace.sears.com/SellerPortal/s/schema/samples/rest/inventory/export/v5/item-inventory-public.xml?view=markup
