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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;5 P9 B" B2 |8 ~) c. D
elseif <condition> then
5 i. v( B) x, j% \% c/ o( d# b <statement sequence2>;& @) t$ ]6 `( s8 s8 {
else ; Z- \9 \. _0 I G6 e# A
<statement sequence3>;8 ~$ i& E" [6 Q) h4 j$ ?) Z
end;0 p+ C5 T4 b( h: [
如果分支比较多，用：/ i6 q) _( G9 t0 Z3 W% Q
inspect <expression>3 H- T6 ]( C3 \, U# m
when <constant_list> then
- a: d) n6 J, a; c( _$ ~* @ <statement sequence1>;
+ K; W( a" W* i& ]+ U( x when <constant_list> then( P: q$ Z+ y Q z5 w
<statement sequence2>;. \* r6 c- L" i9 p! m7 J
...
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<statement sequence3>;
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/ N7 \, B* C% U5 ^- P7 A2循环语句8 E4 l7 t5 M8 I$ m$ `2 h
(1) from <statement sequence1>
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<statement sequence2>;! m6 @3 `+ B/ [' _! \9 {) _, h* t
end;' O3 G3 e# }! d: O* m
(2) while <condition> loop
9 O* {! D) \ F2 V. G5 t1 j8 @ <statement sequence1>;# v5 p5 f9 F) K) Z
end;
/ o6 ]& k# y1 z& J/ q. A (3) repeat
) ^ E" B/ [. M% P. J <statement sequence1>;/ ^* H4 I9 i, @" V+ ]7 t! q
until <condition>;
* J! l4 S+ ?3 Q2 y0 o1 {2 R: H) I (4) for <condition> to <condition> loop; T9 ?( M/ Z& [
<statement sequence1>;% L. L( W! t* F
next;
! N+ {( L9 O" @& n0 D3中断语句# b) Z4 W0 x4 G1 [
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
G# Z& U' D0 T& C3 ]- j+ W还有很多，如有需要我把资料发到你邮箱里 ( z* _. V5 l# R m) Y
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