我们打开一个 SAP 帮助文档的页面，看到如下链接：

https://help.sap.com/docs/SAP_COMMERCE/9d346683b0084da2938be8a285c0c27a/8c3a6caf866910148cd58d649958d7e2.html?version=2205&q=site#loio76a5e87baecd4900b2d0f16e3768354e

![](https://img-blog.csdnimg.cn/img_convert/e562573f37575924d9264fd4ef85e8aa.png)

其中 `q=site` 表明查询关键字为 site，loio 后面是一串 guid：loio76a5e87baecd4900b2d0f16e3768354e

`version=2205` 表明 Commerce Cloud 的版本号。

在SAP CRM中URL对象以逻辑对象(LOIO)和物理对象(PHIO)的形式存储。

为了获得LOIO和PHIO的值，我们需要使用方法:CL_CRM_DOCUMENTS=>GET_INFO_URL。

我们需要将 INSTID_A + TYPEID_A + CATID_A 字段传递到数据库表 SKWG_BREL 作为输入。

函数 SDOK_LOIO_GET_URI 可以用来读取 url.

使用如下的代码，根据 loio guid，获得 document url：

```abap
TYPES : BEGIN OF l_typ_instid,
instid_a LIKE skwg_brel-instid_a,
END OF   l_typ_instid.

**  Get URL link
DATA : l_tab_loios    TYPE skwf_ios,
l_tab_phios    TYPE skwf_ios,
l_wa_loios     TYPE skwf_io,
l_wa_phios     TYPE skwf_io,
l_wa_busobject TYPE sibflporb,
l_wa_object    TYPE sdokobject,
l_wa_skwg      TYPE skwg_brel,
l_wa_url       TYPE sdokcomurl,
l_var_url      TYPE saeuri.

DATA : l_tab_skwg     TYPE STANDARD TABLE OF skwg_brel,
l_tab_instid   TYPE STANDARD TABLE OF l_typ_instid.

FIELD-SYMBOLS : <l_wa_instid>  TYPE l_typ_instid,
<l_wa_guid>    TYPE os_guid.

LOOP AT it_object_guid ASSIGNING <l_wa_guid> .
APPEND INITIAL LINE TO l_tab_instid ASSIGNING <l_wa_instid>.
<l_wa_instid>-instid_a = <l_wa_guid>.
ENDLOOP.

SELECT *
FROM skwg_brel
INTO TABLE l_tab_skwg
FOR ALL ENTRIES IN l_tab_instid
WHERE instid_a = l_tab_instid-instid_a
AND instid_b LIKE ‘L/CRM_L_URL%’.

SORT l_tab_skwg BY instid_a typeid_a catid_a.
DELETE ADJACENT DUPLICATES FROM l_tab_skwg
COMPARING instid_a typeid_a catid_a.

LOOP AT l_tab_skwg INTO l_wa_skwg.
CLEAR   : l_wa_busobject.
REFRESH : l_tab_loios, l_tab_phios.

l_wa_busobject-instid = l_wa_skwg-instid_a.
l_wa_busobject-typeid = l_wa_skwg-typeid_a.
l_wa_busobject-catid  = l_wa_skwg-catid_a .

CALL METHOD cl_crm_documents=>get_info_url
EXPORTING
business_object = l_wa_busobject
IMPORTING
loios_url       = l_tab_loios
phios_url       = l_tab_phios.

LOOP AT l_tab_loios INTO l_wa_loios.
CLEAR : l_wa_object, l_var_url, l_wa_url.
MOVE-CORRESPONDING l_wa_loios TO l_wa_object.

CALL FUNCTION ‘SDOK_LOIO_GET_URI’
EXPORTING
object_id = l_wa_object
IMPORTING
uri       = l_var_url.

MOVE l_wa_skwg-instid_a  TO l_wa_url-component.
MOVE l_var_url           TO l_wa_url-url.

APPEND l_wa_url TO et_urls.
ENDLOOP.
ENDLOOP.
```
SAP Document 存储支持如下几种方式：

- SAP DMS
- Generic Object Services
- Direct upload as in CRM, PPM
- Business Document Services
- Archivelink

以上方法除了 archivelink 外，都使用 LOIO 和 PHIO 类的概念在SAP中上传原始文件。除了archivelink外，每个文档上传方法都有链接的PHIO和LOIO类。SAP Object链接到LOIO id，原始文档链接到PHIO id。每种文档上传方法的LOIO id和PHIO id之间存在一定的关系。

默认情况下，对于除archivelink之外的每种文档上传方法，原始文档都存储在SAP数据库表中。对于SDOKPHCL表中针对各自的PHIO类的每个上传方法，都可以使用默认的SAP数据库表。如果需要，可以使用配置将这些原始文件定向到内容服务器。

ITPub博客

从 SAP 帮助文档的页面，谈谈 SAP Content Management 的实现

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