Accept Merge Request #3: (don -> mark)

Merge Request: 门店评分
Created By: @zhudan
Accepted By: @xujianhua
URL: https://rosydev.coding.net/p/jx-callback/d/jx-callback/git/merge/3

business/partner/partner.go

@@ -263,3 +263,11 @@ func GetSingleStoreVendorIDs() (vendorIDs []int) {
 	}
 	return vendorIDs
 }
+
+func IsMultiStore(vendorID int) bool {
+	if _, ok := GetPurchasePlatformFromVendorID(vendorID).(IMultipleStoresHandler); ok {
+		return true
+	}
+
+	return false
+}