在smartforms實際使用中經常會遇到換行的情況，如果是中文，那還好辦，如果是英文，就經常會出現英文單詞分兩行顯示的情況，因此，我自己寫了個處理function，能夠糾正這種錯誤，如果要換行，之前會用空格補足位數。
FUNCTION zsplittext.
*"----------------------------------------------------------------------
*"*"Local interface:
*" IMPORTING
*" REFERENCE(FIXLENGTH) TYPE I
*" CHANGING
*" REFERENCE(ORITEXT) TYPE STRING
*"----------------------------------------------------------------------
*"AS,DFG HJKL,ASDFJ,SDKF22
*"----------------------------------------------------------------------
DATA: tmp_text TYPE string,
char,
tmp_text1 TYPE string,
tmp_sub_t TYPE string,
sub_t TYPE string.
DATA: textlength TYPE i,
f_length TYPE i,
* comm_n TYPE i,
t_length1 TYPE i,"累加字符串長度
t_length2 TYPE i,
t_length3 TYPE i,
t_rown TYPE i,"
space_length TYPE i,
sub_text_len TYPE i.
DATA: dt_subt1 TYPE TABLE OF string,
dt_subt2 TYPE TABLE OF string.
TYPES: BEGIN OF s_subt,
sub_text TYPE string,
splitsign(5) TYPE c,
END OF s_subt.
DATA: dt_subtext TYPE TABLE OF s_subt WITH HEADER LINE.
DATA: l_tabix LIKE sy-tabix.
textlength = STRLEN( oritext ).
IF textlength > fixlength.
* comm_n = fixlength - 1.
* tmp_text = oritext+comm_n(3).
char = oritext+fixlength(1).
IF char <> ' ' AND char <> ',' AND char <> '.'.
SPLIT oritext AT ',' INTO TABLE dt_subt1."先用，分割
* IF sy-subrc <> 0.
* APPEND oritext TO dt_subt1.
* ENDIF.
LOOP AT dt_subt1 INTO sub_t.
l_tabix = sy-tabix.
tmp_sub_t = sub_t.
CONDENSE tmp_sub_t NO-GAPS.
IF STRLEN( tmp_sub_t ) < STRLEN( sub_t ).
SPLIT sub_t AT space INTO TABLE dt_subt2."再用空格分割
LOOP AT dt_subt2 INTO sub_t.
dt_subtext-sub_text = sub_t.
IF sy-tabix = 1.
dt_subtext-splitsign = ','.
ELSE.
dt_subtext-splitsign = 'space'.
ENDIF.
APPEND dt_subtext.
ENDLOOP.
ELSE.
dt_subtext-sub_text = sub_t.
IF l_tabix <> 1.
dt_subtext-splitsign = ','.
ENDIF.
APPEND dt_subtext.
ENDIF.
ENDLOOP.
CLEAR tmp_text.
LOOP AT dt_subtext.
t_length1 = STRLEN( tmp_text ).
t_length3 = t_length1 - t_rown * fixlength.
sub_text_len = STRLEN( dt_subtext-sub_text ).
IF t_length1 = 0.
tmp_text = dt_subtext-sub_text.
ELSE.
IF t_length3 < fixlength.
IF dt_subtext-splitsign = ','.
CONCATENATE tmp_text dt_subtext-sub_text INTO tmp_text SEPARATED BY ','.
ELSEIF dt_subtext-splitsign = 'space'.
CONCATENATE tmp_text dt_subtext-sub_text INTO tmp_text SEPARATED BY space.
ENDIF.
ENDIF.
t_length1 = STRLEN( tmp_text ).
t_length3 = t_length1 - t_rown * fixlength.
IF t_length3 = fixlength.
IF dt_subtext-splitsign = ','.
CONCATENATE tmp_text ',' INTO tmp_text.
sub_text_len = sub_text_len + 1.
ELSEIF dt_subtext-splitsign = 'space'.
CONCATENATE tmp_text dt_subtext-sub_text INTO tmp_text SEPARATED BY space.
ENDIF.
ENDIF.
t_length1 = STRLEN( tmp_text ).
t_length3 = t_length1 - t_rown * fixlength.
IF t_length3 > fixlength.
t_rown = t_rown + 1.
f_length = t_rown * fixlength - 1.
tmp_text1 = tmp_text+f_length(1).
IF tmp_text1 <> ' ' AND tmp_text1 <> ','.
* 計算需要幾個空格來填充一行到末尾
t_length2 = t_length1 - sub_text_len.
space_length = fixlength - ( t_length3 - sub_text_len ).
* 先把最後加上的字符串去掉
tmp_text = tmp_text+0(t_length2).
* 循環加空格
DO space_length TIMES.
CONCATENATE tmp_text '' INTO tmp_text SEPARATED BY space.
ENDDO.
CONCATENATE tmp_text dt_subtext-sub_text INTO tmp_text.
ELSE.
CONCATENATE tmp_text dt_subtext-sub_text INTO tmp_text SEPARATED BY space.
ENDIF.
ENDIF.
ENDIF.
ENDLOOP.
oritext = tmp_text.
ENDIF.
ENDIF.
ENDFUNCTION.