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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
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9 o# Q Q7 |' v <statement sequence1>;
+ C8 C r; [2 _: s elseif <condition> then3 D8 Z1 A6 L9 ]5 G
<statement sequence2>;
& r" y! V9 e" G# X else 6 k/ \" Y& c$ t' y
<statement sequence3>;
4 }+ n0 i4 \# Z. C% v4 U K/ [ end;
& S" u& X, k7 x3 x# m$ } g" T# F如果分支比较多，用：
* g; X. |1 P5 C O1 }) V! ^ inspect <expression>7 p6 j# E$ A& Z; a0 L$ j9 ]
when <constant_list> then7 Q7 z- Q* S# _# h
<statement sequence1>;6 B. i. u! P9 H5 G( k' e7 F0 G
when <constant_list> then
3 g" m% e' U6 S0 l" n% w- ^5 u <statement sequence2>;6 l8 O+ l& G$ e% F" ^) x% z
.... P( `7 t1 Z! j
else+ ]0 _6 r# H; j8 z4 A& D
<statement sequence3>;
8 v" |! l8 S4 ?9 T+ x7 }end;
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2循环语句
$ `4 l3 _; @1 X! v3 H0 c; P/ a3 ]9 \ (1) from <statement sequence1>/ J A. l& E9 V/ I m
until <condition> loop& ?; l+ V4 v: {. s6 w" x- u
<statement sequence2>;
9 q& F* J0 {2 t+ z% d, g end;; ?3 O1 k' C5 g/ y% q8 C
(2) while <condition> loop
% O& F6 J, R6 I& [: ^ <statement sequence1>;+ ?. d4 ?% r5 p) C* g
end;; M: H2 S g2 X L% l9 R( r" L: a7 b' N
(3) repeat / B, z$ E1 @/ K- |" ^; u0 i. F
<statement sequence1>;/ C3 a3 ?' H4 e5 Q! i: i
until <condition>;# e& n/ {5 r. p& Z
(4) for <condition> to <condition> loop
* y8 o) X" ~+ c0 G/ | <statement sequence1>;
, x& ^/ o+ T W3 j, \ next;
& _- r5 R# t+ ]3中断语句5 K& ?" C8 d" t! T# V+ Z, E
waituntil <condition> prio <integer expression>;- K) a+ a+ h$ W7 l
/ N* g, {) ^: ]/ T& _
, i, f; L* t8 l% W$ I: r2 ]以上为常用的函数！1 L# J1 t L$ h$ E
还有很多，如有需要我把资料发到你邮箱里
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