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发表于 2012-11-13 08:48:12
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1判断语句
3 u! G0 \5 D: v& g# S5 g; o1 t( x" S# | if <condition> then
& o" I& ?: N( r% I# F' o5 ^ <statement sequence1>;) b2 t' V- t4 p
elseif <condition> then) |2 G6 q+ f! I$ L' S: T& e
<statement sequence2>;: H/ D% [% D4 h6 v. i1 g
else 0 k, `# w3 V! y$ Z# v" `7 ^
<statement sequence3>;
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如果分支比较多，用：
( l8 _) K M2 h( v/ p inspect <expression>
3 t( { y6 v' c2 A2 x1 O when <constant_list> then
/ Z; D3 F0 b5 ] <statement sequence1>;
4 R5 x1 ^1 t: u$ v5 v6 m3 s when <constant_list> then
' | q' ^7 ~4 s3 r4 Y <statement sequence2>;. ]# `! z- T7 i5 R* @; k
...
q9 { R4 r. _4 ?5 P+ d else p1 i# R5 Y9 t. q) E* }
<statement sequence3>;
7 v; G& C6 W! W3 A0 Kend;
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2循环语句
6 N! w! Q" x% }" P5 |2 a (1) from <statement sequence1>
( I( _' ~- `3 t2 \6 n/ _# T( k3 } until <condition> loop5 \ d: S- R9 I: k5 _
<statement sequence2>;
- m% v) X% C; i" }$ h& Z( Y end;
& y/ Q1 U! Q3 ~! b. [) s- j! M (2) while <condition> loop; x U( \; j7 O# t9 Z; n1 Z
<statement sequence1>;9 x! f! n1 A7 w! v& P. f
end;
% w8 a4 l% x& B. L2 [ (3) repeat - i6 t1 d+ F/ ^. l. b5 N
<statement sequence1>;
4 t' y" Z- }' z9 p4 y1 r8 I# O until <condition>;! ?9 s. H' _; J& _% e( j+ N
(4) for <condition> to <condition> loop+ l* F4 b: w9 }
<statement sequence1>;8 x! |' z. |" Z- a1 ]
next;
" t. T0 O8 [6 X7 _8 N$ z3中断语句
2 P+ n: d q% R A6 _ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
. O0 T" l+ g0 M4 j. ~! e还有很多，如有需要我把资料发到你邮箱里 ) S4 `, A: k3 i# J' T
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