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发表于 2012-11-13 08:48:12
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1判断语句8 d* K$ D# Y5 f- v) o% G! J
if <condition> then& c6 t- }7 u+ p0 Q, u
<statement sequence1>;
4 |1 ?$ S7 z5 q' Q elseif <condition> then
. W$ a2 l: v& Z- L <statement sequence2>;6 p( o: h( ~( j8 u
else
d% J+ H4 C3 y& w7 Q <statement sequence3>;
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如果分支比较多，用：2 e1 _4 S, Y( H: |) t* ^9 }- J
inspect <expression>
# ~/ L) U' |: W" T$ h9 v+ D when <constant_list> then: F* K8 \* b2 y5 O9 A; ^
<statement sequence1>;6 a0 C! v7 @7 |* x( c
when <constant_list> then
4 L; j; r5 \# O, ^5 ~ <statement sequence2>;
" r% P0 R) r+ e$ b: T; | ...
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<statement sequence3>;: o2 \7 i4 i) e) e% e
end;
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5 r. G4 V m7 F9 R+ r2循环语句# h! l& J; ?! _7 d0 D: q, y2 W
(1) from <statement sequence1>9 R& @$ k: _% J6 ?* m: }; x
until <condition> loop" V9 ?, i7 c7 y* Y- n' S
<statement sequence2>;
9 S7 O6 a/ K4 W. z3 H4 j end;2 Q, A* z& T4 c* b) {" A
(2) while <condition> loop o4 Q* X4 j0 @+ c. `
<statement sequence1>;2 v$ \7 r6 f s5 M" J+ I: g C. T
end;; q& C8 N3 O& y
(3) repeat , c& |/ Z# @1 T7 O" a/ D: x/ F8 H
<statement sequence1>;
+ a S" K; x% w6 l# O until <condition>;
3 R4 Z) |" m/ B (4) for <condition> to <condition> loop) ]! l% w( c5 I, t, X: k
<statement sequence1>;
7 [9 p9 q2 L7 L% }, x* f! d next;
, m* c, q" ]! }- |0 X1 c- Q3中断语句$ \7 u8 X" o7 |0 \/ o4 G% m, O2 q
waituntil <condition> prio <integer expression>;* O) e7 n) K& \2 q' e! G% b8 G
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以上为常用的函数！& s. E& Y2 i& f- S
还有很多，如有需要我把资料发到你邮箱里 4 b- e7 y: Y3 Q; G! Z$ N
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