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发表于 2012-11-13 08:48:12
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1判断语句% [, _+ X8 E3 o9 g" c) N
if <condition> then
" C5 m C; i, O* g4 { <statement sequence1>;
# d4 k* x4 k, p. j+ ? elseif <condition> then3 }! p, l! s* L5 Z% |/ j, ]
<statement sequence2>;4 ^# _) t) z5 Y" I. K
else
h, ]4 f- ^8 o. l' m1 P3 k <statement sequence3>;
, Z: ]: G7 b9 y end;# A6 b: p1 g1 c: y! D
如果分支比较多，用：- t3 J# G e q5 ?( U' I1 v/ Q
inspect <expression>
4 ~$ {; t6 L0 S ]5 C4 W when <constant_list> then
4 t& S1 m0 ]9 K! J4 I5 ] <statement sequence1>;
2 {1 |/ L; \2 c2 [ when <constant_list> then
3 H& L% j f; |0 V, }5 ^8 [, e <statement sequence2>;2 ~0 ?4 F# c' ?1 |7 D$ Z, U6 {0 T
...
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<statement sequence3>;
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2循环语句2 G8 h1 T3 f+ C/ t" D+ E6 S
(1) from <statement sequence1>
2 ]" a2 ^* ~ q) S9 |( l until <condition> loop
. n$ s2 ]1 q+ r6 u2 l! s! L <statement sequence2>;
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(2) while <condition> loop# ?. Q3 a3 r! T
<statement sequence1>;8 G" e5 I8 X: f* O) H
end;6 ~& |" E1 C% }- H G0 F8 B: f0 V
(3) repeat
6 Z- w, s: \: F; S <statement sequence1>;
- e# r6 w' N# F/ @3 h until <condition>;
- a( p: R/ O) d (4) for <condition> to <condition> loop" b' f( k. u7 X% p
<statement sequence1>;
& r4 u5 u, k' \0 c% j4 V3 k9 o next;$ r( Y8 E" X- Z4 n! h* r+ l
3中断语句
' @0 o0 ~! O `% S) i waituntil <condition> prio <integer expression>;- e' x) L. N7 x& \
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以上为常用的函数！2 S1 T- n3 [ m; P1 D
还有很多，如有需要我把资料发到你邮箱里 5 H s" }- w- P# C& U# j! ?3 @
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