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发表于 2012-11-13 08:48:12
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1判断语句
+ v% S9 @/ X8 D4 z, j if <condition> then
) s0 {1 y- _! y" E <statement sequence1>;
" c; N% D7 j7 {) s) a7 H7 @6 ^2 L elseif <condition> then; N) |" e- Z1 g' Q8 t0 j, t
<statement sequence2>;
0 q3 E1 @3 D5 ~, Z) l else
( ?% q7 O" V- A, D: L$ v <statement sequence3>;! F! c+ y0 x! d6 `+ W8 J
end;7 e; H5 _& @/ S3 ~' r8 j
如果分支比较多，用：+ G" ~& }1 }, n, ^
inspect <expression>' H* O: B! V" j0 i/ K
when <constant_list> then
4 O5 C1 M' B+ G/ D5 D <statement sequence1>;
# w0 C2 x6 K- M6 I) d$ G3 q8 k when <constant_list> then
, d" P. K$ q6 z7 j <statement sequence2>;3 b: N" p8 M; C8 W! U+ V
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else
5 p3 L% d% m1 o, Z) @ <statement sequence3>;
0 q# }4 j4 n, s. W8 ]end;; B" d* v) Z1 x( q% _
, W/ r" d' \) Z0 x4 _) j, K2循环语句9 n) O5 O! k6 R
(1) from <statement sequence1>0 |! {. g. j! l3 v
until <condition> loop
' {7 ~! D( C0 h <statement sequence2>;
2 a8 h2 K' C3 V# g$ V end;& O' U8 a% x, c% P6 L
(2) while <condition> loop ^( B1 s' s3 }5 U- T4 u
<statement sequence1>;9 B" r3 z# L! c4 q+ z8 X4 l' F
end;1 c; X- X; J" X/ W8 [1 e( J
(3) repeat
/ ^- S [" l: q3 }6 i/ B6 _ <statement sequence1>;* ^% z) X+ \9 W* v" p! w# y |0 _# n
until <condition>;
' t1 n. q! A4 z4 T+ Q& I/ [ (4) for <condition> to <condition> loop0 X/ }8 h9 ?0 l: J z
<statement sequence1>;
' S+ }3 y# T& I6 U) f! L+ | r- c, e next;
[: Y+ l1 p' w2 y; w3中断语句
7 y) |/ ^( t& d/ ~ waituntil <condition> prio <integer expression>;
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6 C- v) X w. x8 c3 ^1 V9 y; h1 \' O
" P6 M E1 @4 ]2 V+ k( ], Z- ], M以上为常用的函数！
) [2 H( E# l* ^2 ^还有很多，如有需要我把资料发到你邮箱里 9 I3 B7 f y7 M/ _
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