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发表于 2012-11-13 08:48:12
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1判断语句! i4 L6 p$ R7 r# R# V3 E" c# e
if <condition> then5 @& @0 I3 m/ q: b, J
<statement sequence1>;
5 L2 z( W* |- V+ B9 B1 U% T. I elseif <condition> then/ U8 `$ ^$ y* H, j5 e6 T4 e
<statement sequence2>;) P' j2 J$ `1 S
else % l4 P- W6 c z# M
<statement sequence3>;" `7 C$ Q b0 I. v
end;
+ e+ s# r% r. D. A0 G( ~0 R如果分支比较多，用：3 w7 s( n* L0 h* V& S6 O( f
inspect <expression>
# j! a; W! B4 _- q when <constant_list> then
8 d4 }+ o/ n& P$ y <statement sequence1>;9 z- p' A5 J0 i
when <constant_list> then
, i. N9 H, e+ _( M* H! L; ` <statement sequence2>;$ _* U" a- L% X2 j$ }& P$ U9 P# H
...
* |# S p5 S: A7 r+ w4 O% A) H else
7 H; N' W+ {2 B <statement sequence3>;, X9 `# Z( Z$ W! C) z1 S
end;
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2循环语句/ o* w/ S) P+ Q9 ?0 x0 g; v' |
(1) from <statement sequence1>2 F8 H0 e1 Q( o5 I5 l& x% P8 [( A
until <condition> loop3 Q9 D5 n- |, M, h& F& Y* [
<statement sequence2>;
7 x: {6 N4 k* F: _2 }- ~& p end;
j, ~3 t9 U t# M2 E: H (2) while <condition> loop+ v1 U. b$ f y. M
<statement sequence1>;2 h; a7 k* o: B6 D, @! d% l) C
end;
( A' U: x# D, E: a (3) repeat 5 I1 r5 ~9 H# x Q
<statement sequence1>;- E" z h, Z, c* B8 ?
until <condition>;
- x h$ D( u1 I; E3 Q; ^ (4) for <condition> to <condition> loop
1 @& U9 H) |" {. Z" E0 [" P/ K <statement sequence1>;
: V5 }( {: Z7 A4 f next;
* Z* g* i% ]2 @3中断语句: I2 o: ]2 a" w% Q! t
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
7 D: H/ W: `' b9 [, d r& [还有很多，如有需要我把资料发到你邮箱里 . u; } ~ T/ S c9 k
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