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发表于 2012-11-13 08:48:12
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1判断语句5 Q1 G( w) l* h0 q6 m6 |1 I: }6 N
if <condition> then
4 ^: H( I6 C* P( \( e" [1 |+ I <statement sequence1>;
% U" d. [& n6 Z7 S2 U: B elseif <condition> then% |5 {8 y& ?; u: s l
<statement sequence2>;
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<statement sequence3>;
1 A- n: B v' b7 n% W) v end;
9 F q. v* [) t1 a如果分支比较多，用：+ m. [, H! r9 b
inspect <expression>- o, n L4 d% a" \% ?- O
when <constant_list> then
8 E3 J$ L4 o; W1 ? <statement sequence1>;
- S3 c5 D* u& }- t) { when <constant_list> then. H, G" s7 O6 i. f% E1 F
<statement sequence2>;! D3 {" J7 C- b }) c
...
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<statement sequence3>;) I. D- Y1 M% b# L9 O
end;
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% [8 Z0 o- |: T$ ]2 u' r; G: Q) }2循环语句
6 \ T7 E" {% C. O2 l$ o. @ (1) from <statement sequence1>1 R1 W7 j$ t; o" G3 |% Y' i2 D
until <condition> loop/ o+ b6 [* i7 v: k7 w9 Z5 S
<statement sequence2>;
6 Q; Z6 R% T" j( K' @ end;
9 w, Q5 G+ f5 A( l (2) while <condition> loop4 @' M4 y! ~- k+ q% O
<statement sequence1>;
/ [8 z$ { L& P( A end;
3 |( n1 @# a+ J9 Q (3) repeat
$ b- s( m% j2 D <statement sequence1>;& O' \# Q# X& ^
until <condition>;9 }+ ^2 V6 \: q$ Y2 [+ O
(4) for <condition> to <condition> loop
% `4 I4 o5 U& I0 e <statement sequence1>;+ Q% \. C# J) d) y4 a( U
next;7 d) l n5 d1 W t" L: X$ U* L; z' {
3中断语句* d. }6 X3 `8 _" q4 \
waituntil <condition> prio <integer expression>;
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3 E) O' k9 G, Q; ?8 p# w. A以上为常用的函数！
- C0 f3 W9 y, K. C还有很多，如有需要我把资料发到你邮箱里
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