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发表于 2012-11-13 08:48:12
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1判断语句
* t* ], z M. |# Z. ] if <condition> then! `' U0 l' w0 `. ~) R2 H
<statement sequence1>;
4 j8 K" ]; P6 P, u0 l4 u' Z elseif <condition> then
- O! d/ ^: T+ a <statement sequence2>;
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<statement sequence3>;
" D. P2 ~. G, j. K end;
9 B; F& E& G' i8 O7 z6 S5 T/ `如果分支比较多，用：
: V) K( h8 D+ A i inspect <expression> I' G' p; Z5 N% A/ A7 L! v
when <constant_list> then- m) C7 ^) t! `$ K+ q0 o
<statement sequence1>;
& W. c6 N8 S( `" n when <constant_list> then
9 j, _5 u3 S% c# a; f <statement sequence2>;9 `' E9 q7 r1 d V# t
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else; y& N2 I; |$ K- ?% a" f
<statement sequence3>;" a8 Y8 L" }; C' U
end;+ y2 A8 ~ l6 k4 d- ]9 r5 T
) R& L. x" v1 t2循环语句0 z0 [& W, v, Y# i4 q$ T: {
(1) from <statement sequence1>
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8 @6 u# v- e7 @/ X% S, ]. o M <statement sequence2>;3 E" s! l0 T# U
end;! }& T( t* I+ [0 U5 o$ n; V
(2) while <condition> loop
7 m6 `, b( n4 ^- D( |$ r8 X/ o9 O# b* f <statement sequence1>;2 q+ _' b6 F2 ~# t+ l8 y
end;( T6 T, Z! n ^" e" ?* Z3 |
(3) repeat
|+ A: c- B8 ~. @2 m# e8 R1 | <statement sequence1>;
, X/ a9 x: x8 c7 z until <condition>;: _' ?3 v% A& G7 H
(4) for <condition> to <condition> loop8 H) G( L# e/ r8 q- s# z
<statement sequence1>;8 z$ M0 I* _ F+ l
next;
$ h) `1 `4 h/ a) q M/ n( L3中断语句
- P. ?$ t* M8 a& `! P' g waituntil <condition> prio <integer expression>;
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+ H4 [' V% `* @7 j" m以上为常用的函数！
: \1 s% z0 ?/ r6 d/ L% S; F还有很多，如有需要我把资料发到你邮箱里
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