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发表于 2012-11-13 08:48:12
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1判断语句
2 Y; ~- _+ X! v# E- _3 a if <condition> then* K8 F0 L( k8 ]* R7 L% T' t
<statement sequence1>;
" I( C9 l6 a5 j0 G. d elseif <condition> then
2 q1 [9 q L y9 B: X j <statement sequence2>;& z" L3 e( E7 i* E% o# h# d5 Z6 D
else
9 H/ G6 w2 N ?3 |" { <statement sequence3>;
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如果分支比较多，用： U" n2 H4 U; N9 B' I' M6 _
inspect <expression>
8 i0 O7 I6 [) `3 q7 k6 { when <constant_list> then
* t7 P) }5 ~4 S <statement sequence1>;
2 `/ e2 v: c t" Y when <constant_list> then" c* v, Z- Q3 a% W
<statement sequence2>;3 g" w7 U% o) d, G* C) p3 E
...
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<statement sequence3>;, b& ?% P& J' R4 T
end;+ r" B6 y+ I1 p* G, u: \- w
1 Y* j! C1 j" t3 u: M2循环语句5 Z9 R- H1 E* E" k
(1) from <statement sequence1>" T$ e1 o7 Z. Y. t- _% A+ v5 F% O
until <condition> loop4 B) ^" O! \$ C7 x( F
<statement sequence2>;
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(2) while <condition> loop
! O1 ]6 r4 ^+ x5 W# e <statement sequence1>;
) h. A2 ~) z- h9 X8 N K2 T5 A5 B end;: M& Y# |# Y; A& K' E
(3) repeat
- B+ ?* ^& u9 s4 C$ i <statement sequence1>;
3 O" W- c3 \* B until <condition>;* G$ `7 ?* L1 h6 d) R4 L7 Y Y( K/ @
(4) for <condition> to <condition> loop4 b1 [3 H# L1 o- z$ e" q
<statement sequence1>;
( R0 r; r& q. _) N4 e, M8 N1 }' h' @ next;2 t: [" d3 H7 S! d \; V* u W
3中断语句
+ ?0 i# C4 L4 {8 }2 P3 i5 U waituntil <condition> prio <integer expression>;
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; U1 B; P, D' j5 I以上为常用的函数！
% u( z2 ]. e- l* V7 q还有很多，如有需要我把资料发到你邮箱里 2 m9 m1 {- f+ V6 t, v; m: B; ~
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