SAP 程序控制se37 job执行 job_open & job_close

CALL FUNCTION 'JOB_OPEN'
        EXPORTING
          JOBNAME          = L_JOBNAME "作业名称
        IMPORTING
          JOBCOUNT         = L_JOBCOUNT "作业ID
        EXCEPTIONS
          CANT_CREATE_JOB  = 1
          INVALID_JOB_DATA = 2
          JOBNAME_MISSING  = 3
          OTHERS           = 4.

释放后台作业
      CALL FUNCTION 'JOB_CLOSE'
        EXPORTING
          JOBCOUNT             = L_JOBCOUNT "后台作业号
          JOBNAME              = L_JOBNAME "作业名
          SDLSTRTDT            = SY-DATUM "开始日期
          SDLSTRTTM            = LUZEIT "开始时间
          STRTIMMED            = 'X' "立即执行，如果需要立即执行则设置为'X'
        EXCEPTIONS
          CANT_START_IMMEDIATE = 1
          INVALID_STARTDATE    = 2
          JOBNAME_MISSING      = 3
          JOB_CLOSE_FAILED     = 4
          JOB_NOSTEPS          = 5
          JOB_NOTEX            = 6
          LOCK_FAILED          = 7
          OTHERS               = 8.