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发表于 2012-11-13 08:48:12
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1判断语句7 h# o8 n& a& |$ `
if <condition> then& m. X' D1 s* ~! H
<statement sequence1>;
. I3 d/ ?% |; x7 U7 Y( p" T elseif <condition> then" l; ]& L8 Z0 H- ?
<statement sequence2>;
; v0 d) c' k8 ]# R. o else
) [% e9 d9 ]3 t9 d: j <statement sequence3>;+ O) C$ N0 _# g2 P7 w1 [+ [
end;
7 |% Q z& ?) \9 \( \( y如果分支比较多，用：
! B3 ^# j2 B, {4 P3 D: X inspect <expression>
! {+ G+ e6 \- \ when <constant_list> then
8 |0 i3 {( U7 R! L: v <statement sequence1>;, C( V c' A5 L* d. Y& Q5 Y- l2 f
when <constant_list> then9 D3 D& e" |8 V
<statement sequence2>;6 S2 j6 V* d: J; d5 g
...
0 {/ u2 l0 I1 e3 v. O( J else
& I' j# S; ^1 q2 n <statement sequence3>;, Q: j- v: i4 C# t
end;
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9 }8 Q4 a% _/ j7 `& W" E. q2循环语句& @) U4 i! S/ n9 g+ d9 q5 j7 G( ?) N
(1) from <statement sequence1>7 @% K2 m, ~# Y3 q
until <condition> loop( @; w+ x% P: `. n
<statement sequence2>;
1 _4 ~% S" g; i7 v* U, m5 Y5 a6 k end;
# z+ t. {4 u2 c: Y# ~1 g (2) while <condition> loop* T) G+ H. R2 o9 A9 u- T
<statement sequence1>;! C2 `9 o, H# s9 s
end;
; e9 D* _- z- h- T5 {% d1 n( I (3) repeat
3 i8 W' ~+ w) H <statement sequence1>;- \7 N$ q( y" W7 p( D% A( c0 X
until <condition>;
- n9 u$ ~1 m1 R/ X/ H- Z" W (4) for <condition> to <condition> loop/ k- G+ k7 }, I5 n& @. _' I" j
<statement sequence1>;6 ^" ~4 v5 M4 k" y7 `! s/ Q- f
next;. ~7 M) N" M( B `* h- ^' T
3中断语句
6 Q) n; M& p* \5 X; | waituntil <condition> prio <integer expression>;
6 K7 V1 }) `6 ^6 H- Y# i- I m' s! B) M4 F# ^. E
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以上为常用的函数！4 _: h3 I% E9 K4 u' `
还有很多，如有需要我把资料发到你邮箱里
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