SAP Spartacus預設采用的産品搜尋url配置在這個檔案裡:
C:\Code\SPA\spartacus\projects\core\src\occ\adapters\product\default-occ-product-config.ts
根據productSearch關鍵字進行搜尋:

ConfigModule.withConfig({
backend: {
occ: {
endpoints: {
productSearch:
// tslint:disable-next-line: max-line-length
'products/search?fields=products(code,manufacturer,name,summary,price(FULL),images(DEFAULT),stock(FULL),averageRating),facets,breadcrumbs,pagination(DEFAULT),sorts(DEFAULT),freeTextSearch&query=${query}',
},
},
},
} as OccConfig)
最後的效果,我們自定義搜尋url裡的manufacturer參數已經生效了: