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发表于 2012-11-13 08:48:12
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1判断语句
$ D* I8 O" `) Z+ E0 K4 @, m4 |" u if <condition> then
8 E( e n! z$ x5 M: a <statement sequence1>;
3 f& }+ A \; V" o elseif <condition> then2 E3 B% S1 l o# ], Q. Y- _
<statement sequence2>;1 [ P8 `5 B2 W e: X
else
- Q$ d' h$ L; t9 V& Z <statement sequence3>;& k1 B/ |! l- d( r, r
end;
5 A7 N3 L$ |% K" J& T' q如果分支比较多，用：
5 y* F, {7 Q1 n% d/ j inspect <expression>
) L2 P" f$ s5 z% P when <constant_list> then
; w" Q1 w9 t# L <statement sequence1>;3 s( T2 |! I6 y& q1 S
when <constant_list> then% I4 f9 a4 E" L) u+ b, Y- y4 Q
<statement sequence2>;
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else8 k' v# n: N8 K
<statement sequence3>;
# Y s6 y( m& t, ?7 @7 z4 |end;
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2循环语句
. V. U; v+ B& f (1) from <statement sequence1>
( }- F1 A _5 k; r until <condition> loop* p6 k8 p: T9 j# D
<statement sequence2>;
) q. h! Z; t( B6 c% M& ~! n* m end;
# H+ v( w3 L, l( r/ A5 E/ K% N9 z$ ] x (2) while <condition> loop
; G! |; b* t9 q! |1 c/ `5 X <statement sequence1>;3 K9 E! r) K% `3 \" M/ ?
end;
7 j4 z% o' ~8 g5 L0 f7 g- o (3) repeat - d! u9 n: e: S
<statement sequence1>;
* {1 i0 @4 v' O& _& j3 _+ W until <condition>;3 f, q6 @: O# V `* W- E
(4) for <condition> to <condition> loop
5 E% M( C6 N# d J <statement sequence1>;2 ?1 m6 t, K( {
next;
0 Y, B# {0 @6 R" F9 q* Z3中断语句% L9 }& x6 ?- J& n1 X
waituntil <condition> prio <integer expression>;
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以上为常用的函数！ j6 w" t; X- L h8 Y3 _
还有很多，如有需要我把资料发到你邮箱里
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