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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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. t9 @: w0 v! ?4 {8 T" } <statement sequence1>;8 |2 T3 w# t; o3 a( [0 [
elseif <condition> then6 M0 a# f' m; `1 u N) p" I6 |5 T
<statement sequence2>;
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<statement sequence3>;6 g2 J' F9 j. M p
end;
) I0 b1 c: L3 G5 M, i# ^如果分支比较多，用： F( M+ \. Q9 B/ H6 y2 p
inspect <expression>
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<statement sequence1>;
; Z8 {% ^2 Q4 ?% Z; S, J when <constant_list> then) c L- |9 q) u0 J* l" X: ]5 F
<statement sequence2>;1 T. N" o) p+ }
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else& |. Q) e/ r6 z
<statement sequence3>;
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2循环语句8 Z# y6 W8 d5 c% o6 G. D
(1) from <statement sequence1>
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<statement sequence2>;
?& d) B9 `/ Y7 k end;
3 p6 h. N7 s8 A* h. v (2) while <condition> loop
9 |% a+ @% {6 H) p: E* r* n <statement sequence1>;
% c; |* h. u. I$ { end;; O, D+ w) i% X0 D
(3) repeat : G: o: F" L2 I9 @# r7 H
<statement sequence1>;
5 U$ E- y) }# b) W9 u) [ until <condition>;
; }5 [+ H- O- |9 H! @' q } (4) for <condition> to <condition> loop5 l+ z( M4 Q* ?5 V% q( x
<statement sequence1>;; {- O( V$ z: u6 T
next;- H1 a# H P; h R& G0 E! K% n
3中断语句4 x8 j' R3 ?/ z4 m
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
$ f: G4 d9 h" Y% @还有很多，如有需要我把资料发到你邮箱里
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