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发表于 2012-11-13 08:48:12
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1判断语句7 N1 n+ z$ _4 M2 O( p4 F
if <condition> then4 N+ Z" D4 b6 C: K* n+ `1 d
<statement sequence1>;
% h% ~ C2 G4 @" C: h elseif <condition> then
5 p; O% }( K# b% a <statement sequence2>;
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<statement sequence3>;) G$ [' }% S8 U4 }# _, o$ d
end;
, `9 b- W9 [, z" j1 X2 w$ F0 ~如果分支比较多，用：9 a8 K$ ~4 v8 B) D6 A
inspect <expression> o) e6 L5 p& r: k
when <constant_list> then! h' I# [/ k( h/ t i: p; T7 U1 }
<statement sequence1>;5 Z& ]- o. |+ ~1 ]- f5 a
when <constant_list> then5 _0 W7 J8 U9 k
<statement sequence2>;
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else
; T& {8 O, {1 e. {& u6 ` <statement sequence3>;% v5 \8 ~6 N/ ]" C# N# B
end;5 o3 M' E ?# O9 k* E
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2循环语句4 i6 |% }1 _3 D
(1) from <statement sequence1>% r4 y3 B' a: n" k7 e, n# }
until <condition> loop' B: G9 E: n3 c# Z
<statement sequence2>;
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(2) while <condition> loop
; v1 c: A% k I4 o/ o) O% G1 B2 U <statement sequence1>;! T/ G9 A; O" S4 g
end;
) {7 r! V! ^( Z2 ^% m. `6 x- _ (3) repeat 9 e, p3 s" j1 K9 ]% d% S, G4 l
<statement sequence1>;: e7 Q/ T6 z7 f2 i0 p2 z7 F
until <condition>;2 F# R, A' c* V
(4) for <condition> to <condition> loop$ Y+ c4 y9 p$ J2 l3 B
<statement sequence1>;% x2 v( Z* i; l# W
next;) R2 d/ s& Z% ^: i1 _7 g+ N
3中断语句
3 `. r. r0 ?8 A waituntil <condition> prio <integer expression>;
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以上为常用的函数！
, J- W7 G9 @/ L. K. z {0 m还有很多，如有需要我把资料发到你邮箱里
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