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发表于 2012-11-13 08:48:12
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1判断语句
1 d/ r& f3 s# l if <condition> then
6 d+ l y/ q+ w9 B6 n <statement sequence1>;
5 J' b+ c( N; g* L% g. d elseif <condition> then
0 f t; l* x* `# c <statement sequence2>;1 u7 E4 x& g. ~
else " e! l' v' {+ b
<statement sequence3>;" I% T& k4 s/ E: E
end;" p5 B3 b$ g/ e8 j) m M
如果分支比较多，用：
6 U3 b& v/ I9 F4 ] inspect <expression># z1 Q/ q. O: i7 t- h
when <constant_list> then) c1 i: i9 T5 b% M5 _ C8 [
<statement sequence1>;! c4 L; ^: Q7 h3 H' s
when <constant_list> then6 m0 R, ^# Z# f, N! p6 R
<statement sequence2>;2 r5 d4 B- N! c* S. I
...- I* i) o. q- }! y# S0 ^3 O& \: e) h
else
* Z% X- W5 D0 y- Y <statement sequence3>;/ H- _" }: J6 ?6 I/ d6 V
end;
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$ g) K2 z- [1 K) ^' z0 |* J2循环语句
0 _# i X. [" M' a$ ] (1) from <statement sequence1>$ S* t! E! C, b i. f
until <condition> loop
D9 g! P! e# i# {4 l7 Y/ t <statement sequence2>;! }0 `/ G, [; P, N" [
end;
! x7 q- Z/ |! |- T6 E; b { (2) while <condition> loop
0 V+ Y: |+ Z v0 R* V1 q <statement sequence1>;4 [3 Y4 X$ n5 n
end;, J" z: Q% v3 p1 f" m# H. t8 C
(3) repeat
* B* Z. Y1 T# K) j% q9 b- b6 C <statement sequence1>;
/ V* k) o; @8 U$ |; K4 L% ] until <condition>;
7 M3 Z4 A( i4 ^ (4) for <condition> to <condition> loop0 {, w' y; N5 F3 H5 s
<statement sequence1>;3 t8 j7 G0 n- ]& C, j. ~
next;
4 W- e$ h2 v2 \3中断语句
) F: M& u' }' a9 `4 `. E0 a8 r2 F waituntil <condition> prio <integer expression>;
7 F( n0 i. ?% q# k
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以上为常用的函数！- b4 L2 S: y# Q1 Z, C& ]4 q
还有很多，如有需要我把资料发到你邮箱里 ! Z7 M$ \: S$ P) ]
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