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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
" p0 j& w, ^7 r if <condition> then
% K t2 w- M3 e! t <statement sequence1>;8 I1 f. z6 }( c
elseif <condition> then
; c) O0 l2 u2 V <statement sequence2>;
# T3 t' `) Q% B4 I else 1 _, k( B3 s- `, M) S% F1 x7 F/ d. z, \
<statement sequence3>;
# I% C" N/ T5 e5 }4 x. B! u# ^+ x, j- w end;
, X# D9 C5 f, G如果分支比较多，用：' ^$ J+ w7 o; F3 g9 t9 Z* E
inspect <expression>
' m" l7 }; a g" P k when <constant_list> then; g& j7 K$ a% g; T2 }% D' m
<statement sequence1>;
Z6 G* b1 m$ l4 a6 P7 z% Q! C9 ? when <constant_list> then3 ]5 Q* Z6 u; i& }$ n0 O. u
<statement sequence2>;( y" k: ~1 B, U
...
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<statement sequence3>;% A3 K* E% b, L5 g7 m
end;3 X5 ^6 F* H& [# V$ z$ r5 }2 r& e5 X
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2循环语句
6 n/ Q7 }8 Q0 f& ?& _0 G" s9 [8 w (1) from <statement sequence1>- v ~5 Z9 E( _
until <condition> loop1 K+ |) R. z3 x X1 b
<statement sequence2>;3 D2 w- s/ x) c8 O
end;
4 g5 ]# ?3 G- ?+ G (2) while <condition> loop! k8 y' I* O' `! _
<statement sequence1>;
+ S! D% j/ @/ S& X+ U end;2 O- J# v$ H3 e$ k
(3) repeat 8 v2 P& Z" d+ G6 V0 D, E8 C
<statement sequence1>;. T' R6 H- W: F; R: N6 V9 d
until <condition>;) ~# x+ Y; z. ^3 A
(4) for <condition> to <condition> loop
. r+ \2 `" b1 |1 l3 _" r! q8 d& L z <statement sequence1>;
4 q$ e8 @& m/ i9 E next;9 ^: N: m3 J0 T( U% @5 I
3中断语句
7 e& y2 \6 b+ E- n# l' a9 \ waituntil <condition> prio <integer expression>; z: Z$ o l4 B+ A' M F" |" h
+ }( O3 J* `5 S _
" l3 ]# n" e+ [* g1 }以上为常用的函数！7 b* V7 y1 B! t2 Y
还有很多，如有需要我把资料发到你邮箱里
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