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发表于 2012-11-13 08:48:12
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1判断语句, t6 T v2 P J3 z2 h7 j
if <condition> then" j; x5 L9 F6 s/ n6 C
<statement sequence1>;
3 ]- H/ g' D$ k/ t elseif <condition> then" i h+ `5 {! E" k9 R" x" C0 z
<statement sequence2>;
* T* |; m$ i+ q4 S7 [( T( q( W else
: o/ `+ V# G$ |5 |4 E <statement sequence3>;
% k3 p/ Y! K. u t6 W end;1 |' V: P2 E/ j+ z0 X6 [( h
如果分支比较多，用：/ J- x) [& [) M- d" X
inspect <expression>7 L) V/ W6 A& M
when <constant_list> then; u' a: U2 F# M: ^7 f/ z
<statement sequence1>; `( D. P3 Q& W4 S5 J+ f( p
when <constant_list> then& \1 i( k+ ?5 ?4 h
<statement sequence2>;% g, q% N+ ]- B4 R/ j+ D e8 b, o8 L
...
- _* @- k: `- G _9 f else
; \; L. \6 R/ A <statement sequence3>;# q* f' i( _. ^9 W3 s+ {
end;5 t& q7 [" m( @! b* [
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2循环语句$ A- G* ]7 S; |; B% H
(1) from <statement sequence1>
6 P& o& b$ N5 q7 y) d% q until <condition> loop
9 r1 A$ P( B0 o2 O4 [! B- {. [, b <statement sequence2>;) q5 k5 d# Y; v5 ~
end;
2 b% |9 b2 w* D" Y5 H (2) while <condition> loop/ w8 e( M7 F2 c' e# v& v" v
<statement sequence1>;% ?! u+ o- A/ y0 h/ O. V
end;
6 B6 `* J8 a: q6 _7 G6 g3 x* ` (3) repeat
* R( b ]1 n2 Z0 k <statement sequence1>;
" a/ G+ T7 T4 v/ f- m until <condition>;+ B! |1 M7 n4 ?3 i |; F4 d% s
(4) for <condition> to <condition> loop
4 L+ J; t/ [) _7 x$ ~4 p! W9 J <statement sequence1>;1 h) g2 Q: Q1 i+ p
next;8 Y+ T: Z7 [' [4 q) g+ C
3中断语句8 x7 p1 m! `9 T
waituntil <condition> prio <integer expression>;- m6 X! r( v5 A, a6 @$ V! s( _) x3 G
1 {+ }) D1 B0 M! @6 d5 G" ?
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以上为常用的函数！* G( J8 p, ?0 F: Q7 d* V d
还有很多，如有需要我把资料发到你邮箱里
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