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发表于 2012-11-13 08:48:12
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1判断语句
6 Z( Q+ F: }3 m r1 J4 B if <condition> then3 H* w1 J- O9 U: H9 `
<statement sequence1>;# s: f) U' W v+ m' z5 d
elseif <condition> then
1 G( Y' M! \' m+ o" p <statement sequence2>;) W4 H$ B2 A: s. P3 J8 @+ p
else 8 z7 ]) b5 S& ?" V6 g/ Y
<statement sequence3>;
8 L) t- ~4 B4 P9 |4 H$ y end;- v% @% W) w9 Y1 j" i2 S
如果分支比较多，用：
2 ?, g4 [7 E/ n1 ]' ? inspect <expression>8 R/ h( Z& X* c$ ^7 L
when <constant_list> then# m% r8 l: j9 O) n: R% K6 O ^" F! A7 `
<statement sequence1>;: y+ D. w/ x H, t
when <constant_list> then& p4 R$ Q! _# S& ^$ g$ A
<statement sequence2>;9 w2 ?7 J9 ~ v# n
.... s" `- I' l# q. d' W: B& a
else
3 b9 c1 G, z0 U. \" W <statement sequence3>;0 `$ E, Q. S) O7 ~2 N
end;2 q& c9 @% _4 [' e& ?
_$ z" O; q3 c$ H2循环语句
1 t# H7 L9 \* ~) v1 t1 P# W! K9 q/ P (1) from <statement sequence1>
" h5 V! x$ a- e8 u% |+ R0 U. V# K until <condition> loop
- l1 T+ V g* P; f1 q# O! L <statement sequence2>;; R2 `- Z5 b: O7 x( }
end;6 |) V! y3 M" D: s; M; M( m2 \/ x
(2) while <condition> loop! X: L- t; Z: D- v: z$ m
<statement sequence1>;
& u/ \! J3 I. I8 j$ d2 Y. ?: S end;
1 P! x8 L. J: J7 l2 d7 h, J (3) repeat ( q" s: M9 d5 \6 F
<statement sequence1>;
4 Z6 D/ ~* I* C$ v' F9 ?. W) ^+ F until <condition>;+ ?3 n" y" q9 `9 P9 e
(4) for <condition> to <condition> loop
6 Y0 d1 j V% P X4 V0 T <statement sequence1>;
$ l M& l' _" z5 J1 A6 \( I) Y next;
9 R: S5 o1 g' h3中断语句( Y9 P# y' P7 ?3 e3 o; W
waituntil <condition> prio <integer expression>;, P5 N R O/ C% W1 l3 f# ^% r
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以上为常用的函数！$ B" _) P1 D/ t/ h
还有很多，如有需要我把资料发到你邮箱里
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