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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
4 v/ l" Q" v" g& ]; M) w if <condition> then
- h2 g) {( W$ |: P <statement sequence1>;
$ w& v7 F- O4 S7 M, t elseif <condition> then1 h# ?/ p/ X; J3 ]' r* b
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
3 a! Q3 m! N7 H: ` inspect <expression># N& f o1 V; }# L, ]: U) j
when <constant_list> then
* k, n8 U' F' d# X* S/ | <statement sequence1>;6 `/ a, i0 W1 H# {: O1 E: ^
when <constant_list> then
7 O0 K6 |2 a0 M1 J; ]/ M: d <statement sequence2>;. r& R2 a. p( q. C3 C
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else& h5 ?. K) X. V5 E9 ]
<statement sequence3>;
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2循环语句% A2 O- d- L* l0 D% e/ F' {
(1) from <statement sequence1>
G S. |; m# t5 e2 |5 Q2 n# w until <condition> loop
. H3 `0 Y! W6 O- ]/ H; x! j0 @ <statement sequence2>;+ V# r% v3 C' `- v% a% n
end;) U- `1 S3 {* ^
(2) while <condition> loop
6 A, c* [( Y) b1 E <statement sequence1>;/ S/ \7 j0 V6 |5 ] P. s3 I3 N: h
end;
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<statement sequence1>;
3 G3 A( F' O% y" r B( A+ K: I until <condition>;" d/ @8 N6 C1 @! b, g
(4) for <condition> to <condition> loop3 j# K3 u% ^" f& K3 x! n
<statement sequence1>;
- R. S1 v- {$ S3 I next;& y+ ~. F3 E& `) w& n% S' U
3中断语句
; K8 c* b; o) @5 d$ A$ p waituntil <condition> prio <integer expression>;
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" g; J3 p2 r3 g) {7 Q5 i以上为常用的函数！
/ t3 `) ~% O/ e1 L3 c还有很多，如有需要我把资料发到你邮箱里
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