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发表于 2012-11-13 08:48:12
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1判断语句
$ X6 Z% s4 f; K# q. J8 A6 f if <condition> then) M; _- |6 V( u" \9 W: ?& i
<statement sequence1>;' F; [0 v1 z7 Q$ |
elseif <condition> then1 B( O( J3 I0 ?) p' l
<statement sequence2>;
% W" ~; M0 e, h( }; s else
5 t& |/ `- p' a/ F A! u4 B2 s9 B <statement sequence3>;9 V7 L! _& S3 X/ d1 o# I
end;) D, a8 v% r0 \( Z2 {4 q/ ?
如果分支比较多，用：$ D# T0 A7 v/ G8 T
inspect <expression>
) p5 q9 R2 u2 e: y when <constant_list> then" ]4 I3 t# W( b. a! J9 H1 s
<statement sequence1>;
$ s/ [# t! _0 u0 a( ] when <constant_list> then2 Y( u3 R5 K; V( J( L! H% b( E
<statement sequence2>;
5 [7 t8 S6 N1 e7 d8 O; m ...
" Y0 b) ?: {" [5 s else
5 n8 ^3 {2 R+ E$ W8 c# W& y; T0 y$ W: } <statement sequence3>;
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: Z J1 F ?3 U% G2循环语句% S7 o, z' ^0 D. _4 u
(1) from <statement sequence1>
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2 {* w( k& u {4 n( F4 @ <statement sequence2>;& a, i+ j' X s
end;
+ O% B) p& _: n0 L4 u( d (2) while <condition> loop. L/ k8 G2 c( C/ [
<statement sequence1>;
" {4 g+ s% F% @2 r end;
+ y. N& J1 \% |: e: X (3) repeat 8 v- X, U6 v- {6 w+ d- ^) H) ^6 U
<statement sequence1>;
7 l1 P8 c$ t d' }7 Q, O until <condition>;3 |1 k4 E( e4 L3 J5 l5 k( I
(4) for <condition> to <condition> loop
1 }$ x& I- A4 i Z/ V! ]1 n, U <statement sequence1>;
, T* p; D1 W& `( b1 {* `. g1 V next;
* A1 u/ t* J5 o3中断语句# j& k6 g1 S1 ]! t# w* C
waituntil <condition> prio <integer expression>;! V K; }' |6 o1 S/ \# O
, F8 @2 ]2 K8 G l% i% T
/ X! ?* |$ E+ j+ q, {以上为常用的函数！
8 ` a Z. W3 C: h" `; o还有很多，如有需要我把资料发到你邮箱里
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