SAP ABAP Exception handleing异常处理及使用

最新推荐文章于 2024-03-15 23:09:54 发布

原创最新推荐文章于 2024-03-15 23:09:54 发布 · 877 阅读

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#exception #sap #constructor #class #methods #report

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本文详细介绍了ABAP中异常处理的基本概念与应用方法，包括如何捕获和抛出异常、声明方法抛出的异常以及定义自定义异常类等内容。

1、捕获异常
try.
      RESULT = 1 / NUMBER.
      write: / 'Result of division:', RESULT.
      RESULT = SQRT( NUMBER ).
      write: / 'Result of square root:', RESULT.
catch CX_SY_ZERODIVIDE into OREF.
        TEXT = OREF->GET_TEXT( ).
cleanup.
        clear RESULT.
endtry.

2、抛出异常
report DEMO_RAISE_EXCEPTIONS line-size 100.
data OREF type ref to CX_ROOT.
data TEXT type STRING.
try.
try.
    raise exception type CX_DEMO_CONSTRUCTOR
          exporting MY_TEXT = SY-REPID.
    catch CX_DEMO_CONSTRUCTOR into OREF.
      TEXT = OREF->GET_TEXT( ).
      write / TEXT.
      raise exception OREF.
endtry.
catch CX_DEMO_CONSTRUCTOR into OREF.
    TEXT = OREF->GET_TEXT( ).
    write / TEXT.
endtry.

3、声明方法抛出的异常
class A_CLASS definition.
public section.
    methods FOO importing P type STRING
                 raising CX_DEMO_CONSTRUCTOR CX_DEMO_ABS_TOO_LARGE.
endclass.

4、定义异常类
class CX_LOCAL_EXCEPTION definition
                         inheriting from CX_STATIC_CHECK.
endclass.

start-of-selection.
try.
      raise exception type CX_LOCAL_EXCEPTION.
    catch CX_LOCAL_EXCEPTION.
      message 'Local Exception!' type 'I'.
endtry.