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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句* g( L8 _# a5 _! @1 x4 O
if <condition> then( j, O+ a7 c/ a1 a1 O1 G$ [
<statement sequence1>;
! D# q6 D0 I% q2 ? elseif <condition> then1 f$ t, G9 G7 ]5 P
<statement sequence2>;
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<statement sequence3>;& r/ ~4 u. F' {
end;- I) t3 t3 K8 g$ W! f& q
如果分支比较多，用：
2 r1 R5 B5 K8 ?! e inspect <expression>5 }* C5 z! _1 N L7 T% i
when <constant_list> then
$ H/ J* l1 E% j' O+ A/ d <statement sequence1>;
+ S0 M5 d. I6 n when <constant_list> then8 W2 V' o+ Q. J( F7 Q8 t
<statement sequence2>;
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else
2 ~$ ~/ `9 ?! T" ]) _" N <statement sequence3>;
: M$ J; U% d& e. Xend;
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: p; p T# M9 {2循环语句
' M) J* R. D- Y4 |! Y (1) from <statement sequence1>
( ?6 ^. T. O, V: Q( Q3 l- R! ^ until <condition> loop3 X$ [4 b1 m; z* z, \7 B/ k0 A
<statement sequence2>;$ y! p1 [2 \9 F" c% `
end;, m) P, F& y: X" L/ x; S( m
(2) while <condition> loop/ Q* c, |' M; G5 @0 J1 p
<statement sequence1>;* b5 O& D* ^0 U
end;& D! Q8 o* j4 G/ T: K
(3) repeat
O- ^( F( j; K0 y' ]' |! V <statement sequence1>;
1 }, r! w3 o6 ^9 } d) ~3 p$ O until <condition>;
9 @9 r8 q' {; X3 p* N1 ^ (4) for <condition> to <condition> loop+ r; q! F2 T9 B/ o2 a" p, k. K
<statement sequence1>;
- a7 w9 \1 E- o: j next;* x7 O$ w. E6 R8 j6 z5 I
3中断语句5 B; j6 F+ L* `8 U
waituntil <condition> prio <integer expression>;
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G# p, b2 ]6 f' Y9 S' r. @以上为常用的函数！& n& p8 A+ n% U) `( E
还有很多，如有需要我把资料发到你邮箱里
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