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发表于 2012-11-13 08:48:12
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1判断语句
7 u. b+ i$ l0 \) u9 ` if <condition> then( Z3 f2 {* m/ G: C
<statement sequence1>;
3 o. L: n" b/ U! a' s' X elseif <condition> then
0 B- Y5 v+ ?- d <statement sequence2>;
t9 F! _* K" f7 f Z2 G' R else % ?- n9 E$ f% z0 q: c
<statement sequence3>;! u& I# Z* w* l# f
end;; b8 q8 q3 R6 r* g) }
如果分支比较多，用：7 j; ?3 T8 {2 [2 J, S& _
inspect <expression>
2 }) U" i# f9 j6 O when <constant_list> then; ?2 ?- Y/ h; g5 @; z0 S. E! `
<statement sequence1>;6 k4 [1 n$ B! L4 Y! g- E
when <constant_list> then9 z( d, b5 S3 L: V$ s! J* \
<statement sequence2>;- j4 |- A# h. v) a& M
...1 l( p+ q" \8 ? a
else
8 G; w+ v: ]' ^* e$ g2 l <statement sequence3>;9 M! o# j2 P) v$ p% U. W" g% Q$ [
end;
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2循环语句- v2 R( t5 A" V5 d% m
(1) from <statement sequence1>
, [% f# o1 M, I until <condition> loop
: c+ z! w: y7 l1 _3 G( |- |. W <statement sequence2>;
" I6 Q; Z! ?* I& Y9 J5 K end;
, S* U" j/ } |- e (2) while <condition> loop
, g5 @' r8 ]' l1 d* v <statement sequence1>;5 k% J3 }0 I2 j% b1 h3 s6 X
end;5 O% x. g K4 w: M- z. |$ \
(3) repeat
5 ? X5 z# Q; T$ ?- J4 U, B <statement sequence1>;
|9 V0 X" [. b; k+ E3 q until <condition>;
9 k3 \7 O5 n( c# _4 Y, y (4) for <condition> to <condition> loop
" _& C: }$ p# i <statement sequence1>;
0 h7 W: R* {4 {& R5 d, t next;6 R( r) O0 q& {! P( V$ {+ b# _
3中断语句4 I- ~1 E2 A( G. }. n8 I
waituntil <condition> prio <integer expression>;
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# w9 l( G: l0 ~以上为常用的函数！# x, x% ] G9 b" ]8 H* c3 |( O1 J
还有很多，如有需要我把资料发到你邮箱里
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