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发表于 2012-11-13 08:48:12
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1判断语句0 n' f: I$ e1 V. m# w
if <condition> then* H% d6 L! F; }7 h8 t. W
<statement sequence1>;
# Q: F% Z0 \0 i% C4 I& _% Y elseif <condition> then1 J# J- M% ?' [6 M, v1 ~: y
<statement sequence2>;
# v4 W: F7 K/ |4 M% u/ Y else
1 l9 h% w! m- q% @3 J l <statement sequence3>;! [4 _3 N8 c7 u3 h+ a; T, n
end;6 ?" s/ W0 m0 ]+ Y1 P5 H
如果分支比较多，用：
) W* A: `9 u( J, { inspect <expression>2 c; q Q9 m' V% g$ U
when <constant_list> then- f4 B3 |% o9 y: v: h# i
<statement sequence1>;
6 R9 ]6 N) w5 H/ r5 |2 P when <constant_list> then
3 ~- j* |2 v `* d <statement sequence2>;
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else
) E( l3 X8 E2 @ <statement sequence3>;; X: i7 }: Y: a" ?. |) x0 W9 s
end;
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2循环语句
( b1 N# A2 U' K% { (1) from <statement sequence1>
- Y& E+ f$ z& k6 Y+ { until <condition> loop8 D+ ^; n7 Y- q3 S$ W. ]- _
<statement sequence2>;# O$ V; W+ q% a6 n& H/ P
end;
4 o1 Q% E5 p; B' s3 c' d+ ]7 B (2) while <condition> loop
5 I2 [& ~4 Q1 T+ e8 {* ? <statement sequence1>;% L- @: k0 A. [6 s4 ]1 g1 o
end;
, z: L) ~$ i! Y0 n+ t (3) repeat 7 ~6 ] h5 c/ N
<statement sequence1>;; K- ^" ^; E. {( a. e- v
until <condition>;
5 D n. K7 V( ~0 |* a' S- _ (4) for <condition> to <condition> loop
( q! E3 f D. {9 j: g <statement sequence1>;2 J. O' H! E& f( Q4 L9 R% D& [
next;4 V7 g1 C3 R Q: q0 u R% k
3中断语句5 W! [' R9 b* V( ~; L
waituntil <condition> prio <integer expression>;' a5 ]3 b' f2 [0 C
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+ p: J. y2 i& N以上为常用的函数！# Z) i9 B0 M) f7 a( @; l& k$ J
还有很多，如有需要我把资料发到你邮箱里
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