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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>;
% a1 k+ S R% o$ Q. R elseif <condition> then3 }; ?4 @2 w- ]. o7 w
<statement sequence2>;! z, G1 z9 p" _- }1 Y
else & U2 l/ n; L$ i# X7 _
<statement sequence3>;
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如果分支比较多，用：. |# Q3 Z+ q: w. a' B/ ]- J4 D# Y# {
inspect <expression>( y3 t) d. [6 J4 ^" f7 A
when <constant_list> then% c5 S1 g8 M ~8 i7 E7 k
<statement sequence1>;
% I$ z. w6 i5 e2 x- D9 C8 c when <constant_list> then$ H' {6 i, V( [
<statement sequence2>;
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else) K. G$ _2 q- G
<statement sequence3>;; q8 u4 G8 ]% E/ Z" a8 X
end;
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2循环语句- M; m) o+ W/ R% N Z* C% |) m
(1) from <statement sequence1>. P3 J% E% w, ?: W5 x
until <condition> loop
1 w- i. g4 u3 c; }6 m) C s <statement sequence2>;7 R. @9 h$ T; f
end;
6 i8 x$ I& D/ F; J( r) E; h (2) while <condition> loop
& g( ^# I& ]0 l. q8 A$ e <statement sequence1>;6 Q7 _$ C1 {' x% ?7 m) W' Y& ]7 r
end;+ Y" X8 {& s* {) _$ ?* q
(3) repeat
( L0 e4 V" ?8 C5 ~ <statement sequence1>;
, y" m6 V! ^* h8 b- U; k until <condition>;
% \1 B+ K1 d0 ?- C- |* e m (4) for <condition> to <condition> loop
+ b5 T2 W z0 J R4 ~2 z <statement sequence1>;
6 K9 t! l( M! p+ N next;& |( t5 X0 y0 s; e4 [
3中断语句- b& @$ v6 @# }4 P+ c( N
waituntil <condition> prio <integer expression>;
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以上为常用的函数！& G# s) G+ T6 Q- I: S
还有很多，如有需要我把资料发到你邮箱里
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