SEO_CLASS_CREATE_COMPLETE函数模块用于在 SAP 零碎中创立一个残缺的 SAP 类。在 SAP ABAP 中，类是面向对象编程的根本构建块，它容许开发者将数据和行为组织到一个繁多的实体中。SAP的类通常用于形容业务对象、数据结构和业务逻辑，以实现灵活性和可维护性。
SEO_CLASS_CREATE_COMPLETE函数模块的主要用途包含：
- 创立类： 通过
SEO_CLASS_CREATE_COMPLETE，开发者能够在SAP零碎中创立一个新的ABAP类。这个类能够是一个一般的类，也能够是一个异样类、单例类或接口类。 - 定义属性和办法： 在创立类时，能够应用该函数模块来定义类的属性（成员变量）和办法。属性能够是公共的、受爱护的或公有的，办法能够是实例办法或类办法。
- 处理事件： 除了属性和办法，
SAP ABAP类还能够处理事件。通过SEO_CLASS_CREATE_COMPLETE，能够为类增加事件处理程序，以响应特定的事件。 - 实现接口： 如果一个类须要实现一个或多个接口，
SEO_CLASS_CREATE_COMPLETE也能够用于为类增加接口的实现。 - 定义继承关系：
SAP ABAP反对继承关系，容许一个类继承另一个类的属性和办法。通过SEO_CLASS_CREATE_COMPLETE，能够定义类之间的继承关系。
本文介绍应用下列 ABAP Function Module 生成新的 ABAP 类的办法。
SEO_CLASS_CREATE_COMPLETE
REPORT zdyanmic.
DATA ls_vseoclass TYPE vseoclass.
DATA ls_imp_if TYPE seor_implementing_r.
DATA lt_imp_if TYPE seor_implementings_r.
DATA ls_imp_det TYPE seoredef.
DATA lt_methods_source TYPE seo_method_source_table.
DATA ls_method_source TYPE seo_method_source.
DATA lv_method TYPE LINE OF seoo_methods_r.
DATA: lv_classname LIKE ls_vseoclass-clsname VALUE 'ZCLJERRY8'.
ls_vseoclass-clsname = lv_classname.
ls_vseoclass-state = seoc_state_implemented.
ls_vseoclass-exposure = seoc_exposure_public.
ls_vseoclass-descript = `Dynamic proxy generated by Jerry's code`.
ls_vseoclass-langu = sy-langu.
ls_vseoclass-clsccincl = abap_true.
ls_vseoclass-unicode = abap_true.
ls_vseoclass-fixpt = abap_true.
ls_vseoclass-clsfinal = abap_true.
ls_imp_det = ls_imp_if-clsname = lv_classname.
ls_imp_det = ls_imp_if-refclsname = 'IF_HELLOWORLD'.
ls_imp_if-state = seoc_state_implemented.
APPEND ls_imp_if TO lt_imp_if.
CLEAR: ls_method_source.
DATA: lv_name TYPE string.
ls_method_source-cpdname = 'IF_HELLOWORLD~PRINT'.
APPEND ` WRITE:/ 'before Hello World'.` TO ls_method_source-source.
APPEND 'mo_origin->print( ).' TO ls_method_source-source.
APPEND ` WRITE:/ 'after Hello World'.` TO ls_method_source-source.
APPEND ls_method_source TO lt_methods_source.
CLEAR: ls_method_source.
ls_method_source-cpdname = 'CONSTRUCTOR'.
APPEND 'mo_origin = io_origin.' TO ls_method_source-source.
APPEND ls_method_source TO lt_methods_source.
DATA:
lt_implementation TYPE seop_source_string,
ls_mtdkey TYPE seocpdkey,
cv_implementation TYPE seor_implementings_r,
ls_source_code TYPE seo_method_source,
lt_methods TYPE seoo_methods_r,
lt_parameters TYPE seos_parameters_r,
lt_attribute TYPE seoo_attributes_r,
ls_attribute LIKE LINE OF lt_attribute,
ls_parameter LIKE LINE OF lt_parameters,
ls_method LIKE LINE OF lt_methods.
ls_method-clsname = lv_classname.
ls_method-cmpname = 'CONSTRUCTOR'.
ls_method-state = 1. "implemented
ls_method-exposure = 2. "public
APPEND ls_method TO lt_methods.
ls_parameter-clsname = lv_classname.
ls_parameter-cmpname = 'CONSTRUCTOR'.
ls_parameter-version = 1.
ls_parameter-descript = 'Jerry'.
ls_parameter-type = 'IF_HELLOWORLD'.
ls_parameter-sconame = 'IO_ORIGIN'.
ls_parameter-cmptype = 1. "METHOD
ls_parameter-mtdtype = 0. "METHOD
ls_parameter-pardecltyp = 0. "IMPORTING
ls_parameter-parpasstyp = 1. "pass by reference
ls_parameter-typtype = 3. "type ref to
APPEND ls_parameter TO lt_parameters.
ls_attribute-clsname = lv_classname.
ls_attribute-cmpname = 'MO_ORIGIN'.
ls_attribute-state = 1.
ls_attribute-attdecltyp = 0.
ls_attribute-attexpvirt = 0. "private
ls_attribute-typtype = 3. "type ref to
ls_attribute-type = 'IF_HELLOWORLD'.
APPEND ls_attribute TO lt_attribute.
CALL FUNCTION 'SEO_CLASS_CREATE_COMPLETE'
EXPORTING
devclass = '$TMP'
version = seoc_version_active
authority_check = abap_true
overwrite = abap_true
suppress_method_generation = abap_false
genflag = abap_false
method_sources = lt_methods_source
suppress_dialog = abap_true
CHANGING
class = ls_vseoclass
methods = lt_methods
parameters = lt_parameters
implementings = lt_imp_if
attributes = lt_attribute
EXCEPTIONS
existing = 1
is_interface = 2
db_error = 3
component_error = 4
no_access = 5
other = 6
OTHERS = 7.
WRITE: / sy-subrc.