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发表于 2012-11-13 08:48:12
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1判断语句
8 D ^& F x& M4 j- r* \( ? if <condition> then) w! k5 X% @; `
<statement sequence1>;. L( E! B" W1 R& ?
elseif <condition> then. e W( c. S q
<statement sequence2>;
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<statement sequence3>;3 c/ {; R9 n& y7 f& l7 p
end;
8 E! G) d" F( J6 [4 T如果分支比较多，用：* [4 Z% F# |9 T% ^3 L5 W
inspect <expression>
0 |1 E! I3 k9 _- j. Q8 n when <constant_list> then0 ^3 O- \# Q- K/ c2 D
<statement sequence1>;
3 j2 v8 j& z2 F) G9 x when <constant_list> then p5 M: l3 [0 Z7 X
<statement sequence2>;
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else
6 _: Y' O @6 X7 d: h <statement sequence3>;8 m; m' J! f5 K# h* h( w
end;8 V# }2 T; l4 @: J3 N( v
8 O5 i' ^ r* ^2 }2循环语句: j9 e. V$ T/ p& k: M ~. Y7 U
(1) from <statement sequence1>! f$ ?. T0 W$ m. L
until <condition> loop
1 N" }' G0 b- o* a# a Q3 [ <statement sequence2>;
) ]4 z, m7 @ r) K1 o- J4 X end;6 ^" h8 R! p( ^* l$ ?3 q, q: h0 `
(2) while <condition> loop
/ H- K* O1 a6 T, s3 }+ I, S% {" B <statement sequence1>;: u) X) G- }$ C, J2 ?% H, r/ b4 Y e
end;
# |0 M7 ~/ `1 N0 v# P (3) repeat
+ r+ l3 |- ~" w z/ j, h- R' ` <statement sequence1>;
: f, @6 F* q8 I* t5 l0 n1 ]' S until <condition>;. `$ }% h; G) Z6 R! l2 ~
(4) for <condition> to <condition> loop- M8 ]+ D' p, H8 @+ t1 C7 p
<statement sequence1>;
& Z6 C* T5 ^# K2 i \. ? next;
* n! D# b6 V' Z6 Y: s7 V; |3中断语句
9 r2 P& m1 W5 L& H0 t waituntil <condition> prio <integer expression>;: N6 O$ A: G, h/ N$ O
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以上为常用的函数！- W/ j! c1 t; S3 ?. a+ [
还有很多，如有需要我把资料发到你邮箱里
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