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发表于 2012-11-13 08:48:12
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1判断语句" o, m1 y) J6 y' H1 p
if <condition> then
- @' g% s8 c; N <statement sequence1>;: ]# R j0 e: ~6 t2 }
elseif <condition> then
9 V4 ^1 |4 F7 H" e& v( @ <statement sequence2>;
1 v( _5 n8 f( _: d, m9 X; O else
( N0 l6 t6 E# w3 M5 D6 ~ <statement sequence3>;# o& L, T# [7 S& _- `9 j. F8 q9 \
end;* i/ `, g/ R( a- I+ B
如果分支比较多，用：7 w% h- G" C2 r; V/ U0 ?
inspect <expression>
% A& v7 `9 {( J9 { when <constant_list> then/ D7 O/ n* w% J; u m& I
<statement sequence1>;
; z$ l& F# L# |* c' H2 e when <constant_list> then* G: Z0 k3 L, t x' `. t6 Q. t
<statement sequence2>;- o; _, `/ M2 |* x g7 N
...
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<statement sequence3>;1 t: B! \( W5 Y5 {! b& O1 A$ V
end;& z! A" h$ g: H& Z+ p/ v- {& b
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2循环语句
0 n: i4 `0 u* k& ^7 D (1) from <statement sequence1>
3 J* k$ Q6 J4 U$ [/ D# y/ V* ^3 u until <condition> loop: a. w# u3 H8 Y j) R
<statement sequence2>;0 B7 m3 r6 m+ ^
end;
* @# ]1 p& v% i" p# j* D (2) while <condition> loop
5 W7 @) _5 T) o) z7 }# [8 M <statement sequence1>;. J1 m- }/ v' S
end;2 P6 G @% `5 d4 I& {
(3) repeat
6 \ k4 q# y5 e7 f( V e <statement sequence1>;9 N- i [3 q6 a! t% E' m- C* V
until <condition>;
: B+ E' G4 e# Y/ O; G" ~$ B$ y (4) for <condition> to <condition> loop/ g! }* u9 e0 y6 j
<statement sequence1>;! q( t- d! a8 B5 Z# k$ n E
next;
! }6 F$ m- I. ?! t3中断语句/ T; d4 y V; Z/ J& V
waituntil <condition> prio <integer expression>;$ b8 ?9 L2 D j0 ^
' e( k1 G+ Y) g, \$ c
4 D0 [; t9 J% x6 m9 B以上为常用的函数！
. g1 F8 u' Y5 S6 _+ m还有很多，如有需要我把资料发到你邮箱里 ) o8 }% h8 J% }! Z% m' T2 |6 I3 ?9 \
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