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发表于 2012-11-13 08:48:12
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1判断语句
/ N3 X- w" D4 }! h9 G9 x2 W if <condition> then
- q L2 {% M6 Z% q' c( [ <statement sequence1>;
* y% f4 g. A+ T+ u elseif <condition> then+ z: { P/ q" ? `. a
<statement sequence2>;
/ X4 m+ a7 O8 G, b- K9 X, J else . h3 R* B4 A4 ~( V& T
<statement sequence3>;
6 g) @! Q. s2 G$ Q/ A end;- r( b! L" b- s
如果分支比较多，用：5 q. l6 U$ X" n, \% y3 ?0 K2 S
inspect <expression>( G' X/ q' d2 K; y$ y
when <constant_list> then
1 M S4 L) D) a% Z& @/ \$ a9 L <statement sequence1>;% v ?9 B. }; b( | i
when <constant_list> then) S) i4 D" n$ G1 \8 d. z W
<statement sequence2>;# [8 W5 G9 e0 O8 E) A& g3 U! P
...( A+ r' w0 _$ G+ U
else/ V2 \( K' n6 T
<statement sequence3>;* V0 G5 \9 |5 @3 e# q# U ]
end;. j/ [5 G; P* C5 q( w- `0 J9 }. c
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2循环语句. _& e2 N/ s+ l+ ^$ {
(1) from <statement sequence1>1 D) C0 F# q0 P. S
until <condition> loop
0 v& Z* L; a3 J* I1 `; V% l <statement sequence2>;
+ i0 ?0 h/ n% ^1 F end;4 r# t3 q4 a' }- x; F7 o) E' Y; _/ d
(2) while <condition> loop* b: w1 _0 z5 S( O. s" U8 [
<statement sequence1>;# i$ E7 J8 B. L+ Y" n9 O
end;
+ ?5 B0 I% ~( ] m% U" ]% u (3) repeat % ]2 ~* \4 c4 b9 ^2 D
<statement sequence1>;
* O* K0 ]. N1 I4 Y until <condition>;
5 c8 \, u* d& O% h; k3 A/ } (4) for <condition> to <condition> loop
) {6 J) l, s0 N9 i# f( A1 ^ <statement sequence1>;
- c1 e. B# i/ L* M next;
$ x; `9 N; s u! D8 @3中断语句' `! D/ }/ k& [8 {
waituntil <condition> prio <integer expression>;
- l7 T5 v6 L5 n( N+ G
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以上为常用的函数！2 W; i: [; w: @& l! u3 U: C0 [( o
还有很多，如有需要我把资料发到你邮箱里
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