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发表于 2012-11-13 08:48:12
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1判断语句
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<statement sequence1>;& X/ s' @8 x4 y* L1 L
elseif <condition> then! A+ x% H, k3 G$ ^" N
<statement sequence2>;
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<statement sequence3>;; K4 R f+ E8 @9 j! f% h- |$ ]6 k
end;. Q: y4 W+ l; C, J2 [1 ]* e( e1 c% E$ u% w
如果分支比较多，用：
1 n$ h9 ^/ Y$ `8 b' w* u4 R. K inspect <expression>
5 M# `; _4 D$ |) \ when <constant_list> then
1 n: z9 O- Q! U8 x4 v! l <statement sequence1>;
3 I9 b. A# i$ p' n5 c' |* _ when <constant_list> then) V- g' e. U5 _9 P7 `- O9 [
<statement sequence2>;7 k9 y0 }6 A* e. `3 V
...: y* \7 J5 Z$ o9 I7 Z0 ?1 }
else
7 Q) b9 D" M6 t, I+ z. | <statement sequence3>;$ J+ r$ H7 s: q4 w$ G) n! Q
end;( D; P* A6 K* W* M+ K8 a! l) |
. n! O' G4 ?! L1 p. c+ i7 m2循环语句/ K* H) r( o$ S. ]7 D4 w9 C& n3 _: u: P
(1) from <statement sequence1>
# U5 ?, ^) W j4 t* i0 w until <condition> loop) c8 o" Z! a8 L. V! B
<statement sequence2>;0 B! [! k0 B( p3 n; _4 V
end;/ Q* l* p0 @: W; E3 P: K8 Z8 E0 _
(2) while <condition> loop2 W1 U9 Y) ^* {! O# b S8 L
<statement sequence1>;3 `4 P% r& d2 X& Z) m/ ?& ^
end;
9 ?/ a3 T- S2 G0 M3 ~ (3) repeat 1 T0 m- C* ^+ M, n% s# P2 q
<statement sequence1>;9 e) ?( [) [( e- D T/ x) U
until <condition>;
5 a, G9 L" @9 r9 Y (4) for <condition> to <condition> loop4 E6 }9 H3 O# [7 u' `& R; V
<statement sequence1>;
! _( ?4 V4 t* |* ]1 H3 m! B next;, c6 `4 Z) c7 R- I
3中断语句1 ~ ^+ p; T8 t# I& v! S2 ]6 c U+ r
waituntil <condition> prio <integer expression>;
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以上为常用的函数！0 N' y0 r- J/ O9 M& T1 G
还有很多，如有需要我把资料发到你邮箱里 $ B# k# Y1 O* g9 h, j4 w& o
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