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发表于 2012-11-13 08:48:12
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1判断语句
& ] i W- U, G+ x, S if <condition> then
1 D/ f+ e, o! c* m3 w <statement sequence1>;
W) V: I6 `/ K j. y4 }5 e3 Y elseif <condition> then- `' a1 g0 x/ M% } i
<statement sequence2>;
4 [, B5 ]9 m/ z# d else
* O `, D' j* i6 L <statement sequence3>;! s, \# x% {! j( t
end;0 G0 n1 j' E' J; T
如果分支比较多，用：
5 Y5 h! w& E+ ?1 |. Q3 ?* M+ w. z inspect <expression>
, R; [% U% q# I6 `& B when <constant_list> then
9 I: t i/ E$ a) e <statement sequence1>;& J4 [. }' }- I3 |
when <constant_list> then$ j( [3 h' L" O' W4 o( d% r
<statement sequence2>;
s0 L8 W: y+ A: u. G0 l ...
; V- [: g" q( Y0 ]9 ? else! D/ ^5 R! w y9 r
<statement sequence3>;. w( p9 O- O; x2 f) _, H5 q
end;
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2循环语句
$ {% k% R) ]; [4 Y( ? (1) from <statement sequence1>" i% K" Y, ?$ t% R" Y
until <condition> loop
: m% E, [4 U9 `' ~7 { <statement sequence2>; d. e/ q3 {" h' c$ j d# j
end;4 j( a* i% q- S) A' h. u; n
(2) while <condition> loop' K# S9 w4 L# K9 I8 t8 O6 [
<statement sequence1>;5 L1 M7 K4 ^' g6 T* k# @& W2 q
end;& X0 H6 O! S9 ^. s8 [
(3) repeat
0 e0 p! K$ T$ W7 C* W) g) h <statement sequence1>;
: e2 n7 e1 [% h# K6 S until <condition>;
7 g( Y3 p$ W6 B: U. C# o" f' A! q (4) for <condition> to <condition> loop
* _" L; C& F, L8 O! B <statement sequence1>;
+ ^8 Q3 R8 T+ d next;
- A; k8 U+ l& x2 J3中断语句
5 z% }$ F7 t* z waituntil <condition> prio <integer expression>;4 l* X1 `1 ]0 Y- F" m a2 v
8 i9 ^8 @! }& }! N4 w
4 {* t- U$ R: S7 g5 L2 f( g以上为常用的函数！$ m! b& L6 Z5 F7 m$ R
还有很多，如有需要我把资料发到你邮箱里
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