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发表于 2012-11-13 08:48:12
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1判断语句
% u- `* Z) t+ J) a# [ if <condition> then
9 \7 ]& L4 m( P; P6 S3 Z9 g <statement sequence1>;
8 ^& d& K6 V0 ~) ^" k$ e4 y elseif <condition> then
( B2 C( C* o1 S# B6 S$ h$ i <statement sequence2>;5 S2 l) K3 v m: ]
else
9 ]3 B, E3 b( C <statement sequence3>;
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如果分支比较多，用：
) k+ G) i. `' d# s3 {' \/ I inspect <expression>
9 \7 B) R( W, T$ n4 a, B! Q' A when <constant_list> then) b# b2 T3 D p' u! E: Q9 q
<statement sequence1>;* Z5 L9 B; K. ?
when <constant_list> then+ v r$ b* M: f9 R$ B
<statement sequence2>;
5 V) ]# P ^! `8 f$ Q ...
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<statement sequence3>;8 t5 U5 {" v/ |6 I# r
end;, \$ r a8 S; P5 J E
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2循环语句( n( e$ H$ D9 m1 q
(1) from <statement sequence1>$ y4 g: {. A/ N6 a
until <condition> loop; R/ P- p0 m$ |8 W" @1 C
<statement sequence2>;5 ^4 d1 J! J, q" p" D) V# c
end;! u# V- o% K; O7 v& _5 c% v' |
(2) while <condition> loop
9 \2 e* v6 A9 n, ] <statement sequence1>;9 a$ V- f1 c' B2 ^3 s) P
end;5 w$ u, N4 B; K0 [; Q) x
(3) repeat
0 d8 {6 f3 @7 M/ u2 K' H <statement sequence1>;
5 j/ I' i1 C) ]7 K6 b) a until <condition>;- ?5 A# o- {" ~7 ^
(4) for <condition> to <condition> loop
; N9 E# t) Z- o6 x" { <statement sequence1>; M6 J5 _ f/ w% \. }
next;! n% l2 Y9 C9 F* I
3中断语句" f* a) i- k& c: S
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
5 @2 n. X7 O8 I# b: H还有很多，如有需要我把资料发到你邮箱里
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