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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
+ `( o. V; ?5 _/ p o- E if <condition> then
, w6 n9 x$ Z8 g4 T: S( n; F <statement sequence1>;
8 x( Q5 n0 P7 I/ p+ ? elseif <condition> then e8 ~& V1 N9 S0 K/ n1 G8 u4 M
<statement sequence2>;
, U' o, W2 p5 `" M& t4 r& d4 h/ r# I else 2 I- K) w8 w! y
<statement sequence3>;
- W; E8 C$ x) F end;
. P/ n" b: r% b$ v: i. a: z如果分支比较多，用：
# S3 i) ]# O- }: L inspect <expression>
. ` O/ d7 Y: e) |. c) { when <constant_list> then/ N( f( }& l% p" Y- U. \
<statement sequence1>;9 N# M1 z) c) q- `; D% q
when <constant_list> then5 x! [( y K, h, X8 z
<statement sequence2>;8 h* e5 h9 X* u
...
' _6 ^* K! {. A8 b8 F" M* m4 B) q7 M else
6 y" r( ?- a/ u+ Y$ I" g! H3 c <statement sequence3>;7 q: \1 G% a9 Z H t5 c/ [
end;8 H, J6 H0 s8 |6 V7 N1 S! M& d0 L, W
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2循环语句
$ P# [. ^# O) f. | (1) from <statement sequence1>
5 K* m7 Q; Y' U until <condition> loop
+ `' a4 L l- ?2 x6 b* B <statement sequence2>;
+ A7 r' t1 v5 n% p9 l' R end;9 |+ \4 f) S2 ` C/ Z$ L0 l
(2) while <condition> loop) V9 r8 i# i7 H& q8 | x
<statement sequence1>;- D3 w6 Y4 R) e; r5 R6 K
end;
6 o9 Z( [0 x: a1 W$ A (3) repeat . N. _5 B: M$ b( P* S3 W
<statement sequence1>;
9 s8 U, j+ }, X9 @" R& X9 s9 x6 L* K until <condition>;8 s" B' h7 F0 q0 d
(4) for <condition> to <condition> loop r+ D. K5 T2 q# Q; a
<statement sequence1>;- W9 l. f: b, _2 E' C4 }9 j
next;
6 k% l0 I4 U$ s% c! w3中断语句/ ^, y8 T* p$ R6 c1 ]
waituntil <condition> prio <integer expression>;8 o- e8 X' A: v- X
' `3 ~, G2 v3 M6 M' A+ c
9 j9 m1 \2 v# ^& f9 s1 I: A以上为常用的函数！
, @7 | c# P6 n+ e' G" t2 G还有很多，如有需要我把资料发到你邮箱里
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