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发表于 2012-11-13 08:48:12
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1判断语句+ k1 G( P5 R3 a( C8 C
if <condition> then ~" @ m! B% x
<statement sequence1>;5 t* r1 G! h% d
elseif <condition> then8 d) Q3 A3 l8 J _* B# {6 }) E
<statement sequence2>;
+ q+ t, T) o3 Z! e4 w else
4 t4 I3 Y! l7 s7 I! Z <statement sequence3>;
6 ^) V# `) r9 M3 S" Z end;
# M8 W$ _, f5 y' h& ]: z如果分支比较多，用：5 s) |& P6 `- G
inspect <expression>
4 Q; [4 t" T( V: Z! z4 z when <constant_list> then
8 U5 v2 V) X8 \0 k2 t) F7 k <statement sequence1>;
3 E$ r: S# ~1 g when <constant_list> then
% m' G. C6 j1 g <statement sequence2>;1 O8 v+ [) F R# I1 H/ \. y% r
...3 }$ R C( a7 M" Z2 t6 J
else
& j1 S/ s- ^# f }: e; y& J <statement sequence3>;3 ]* k' ^6 _. Y# g/ ?' X" R" ~! \' N
end;
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2循环语句 i( K: O" E" [% k, R6 ]& P% D
(1) from <statement sequence1> r: [" K# M5 Y2 A+ G
until <condition> loop
" x2 |0 k- d% W& L <statement sequence2>;$ f. j2 O9 R% f/ w- W
end;) Y3 |2 ]: d+ R6 O
(2) while <condition> loop
$ G7 ]- \4 _, x9 O# ?4 I <statement sequence1>;) _! ~% S& e+ Z5 ^7 S
end;
/ |. B/ I9 D+ W (3) repeat % g2 f$ D4 w- u3 ^2 C9 N
<statement sequence1>;5 E; ^6 D6 X9 X' k& _% i
until <condition>;4 i, p& `3 A7 A2 `/ S
(4) for <condition> to <condition> loop
( `+ e5 T( h' l% e <statement sequence1>;. X7 Y. F* |! T6 T. k1 m
next; s( `$ y% P2 w. q! i7 q8 A7 Q
3中断语句
# Z' b* D# M0 f1 ^ waituntil <condition> prio <integer expression>;# M( R( J* C5 F: ^7 V& |
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6 Q& G/ j( n8 L6 S8 h. \7 O5 [以上为常用的函数！' P' A3 B- Z5 s o
还有很多，如有需要我把资料发到你邮箱里
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