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发表于 2012-11-13 08:48:12
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1判断语句
! f. R% w' Y) q: u& ]" u! }# u. d( _ if <condition> then# f' ~( }, v# s3 W( a+ x+ m: t
<statement sequence1>;5 _+ D% _5 v- e$ r3 u8 d) s
elseif <condition> then
2 _2 z- I* w% P8 N <statement sequence2>;
: a# G: P9 _0 C6 X else
/ s0 w; D+ \9 r. H8 n! m% P# ^ <statement sequence3>;
4 F2 a0 B7 \+ Q' g end;* {! P7 k+ f& X0 h, I) s" ~
如果分支比较多，用：
- K4 h) r4 K, d. ^ inspect <expression>
1 P, S% p% A8 E# G/ y8 e! k when <constant_list> then6 k6 t" i* M$ D
<statement sequence1>;
3 l E) J6 Z8 b" r" X0 F when <constant_list> then r4 C3 r8 ]6 u3 ^5 H5 f4 d
<statement sequence2>;
H# h( y! n4 x& k( t ...
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<statement sequence3>;+ |* {! H9 w1 R% z2 { }# z1 A
end;
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2循环语句' y1 x, A. c5 U' j6 e
(1) from <statement sequence1>6 x* O0 A' a, K
until <condition> loop
8 o' s) }6 `5 J8 x" t <statement sequence2>;2 V+ b2 K0 T& P2 S
end;
5 F- o6 m+ S Z, S. G (2) while <condition> loop% s* @" v& e% D8 v3 w% Y1 ]! h
<statement sequence1>;
. P4 A$ j3 M- e: q end;
$ `* [( n& [& I4 A (3) repeat
) ^9 w, O+ T$ T <statement sequence1>;+ \ e" ]" p6 @# _
until <condition>;
7 `. @4 |0 |; C; H5 T6 R; V (4) for <condition> to <condition> loop
! C2 U5 I( A( |9 _" ?8 e <statement sequence1>;
$ A& V5 }* n% F5 s next;
9 O4 a; V: s8 P3中断语句6 S) n" r9 l$ q2 P
waituntil <condition> prio <integer expression>;
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f- \2 Y4 `$ w. X3 Q6 M3 `6 D2 z+ M
以上为常用的函数！' G$ L5 j7 G7 a- p3 |. [
还有很多，如有需要我把资料发到你邮箱里
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